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      <image:title>Sale Item - Extraction Disk, 47 mm, C18 (Octadecyl), Special Sale Price Shown, While Quantities Last</image:title>
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    <loc>https://chromspec.com/products/pesticide-surrogate-mix-0-2-ug-ml-in-acetone-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/pesticide-surrogate-mix-0-2-ug-ml-in-acetone-50-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/pesticide-surrogate-mix-5-0-ug-ml-in-acetone-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3b3ff2d7-06d7-4d84-9877-89a896df554f.jpg?v=1761264397</image:loc>
      <image:title>*Pesticide Surrogate Mix, 5.0 µg/mL in Acetone, 100 mL</image:title>
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  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzene-neat-cas-108-90-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b33181b2-e04d-446f-9591-f2d4dd621710.jpg?v=1761264401</image:loc>
      <image:title>*Chlorobenzene, Neat, CAS # 108-90-7, 100 mg</image:title>
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  <url>
    <loc>https://chromspec.com/products/1-2-dichlorobenzene-neat-cas-95-50-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b13a68d-9492-4361-8acd-fd1c679ae20e.jpg?v=1761264404</image:loc>
      <image:title>*1,2-Dichlorobenzene, Neat, CAS # 95-50-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/1-3-dichlorobenzene-neat-cas-541-73-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cd75ba4b-ebe1-4bf0-bf31-09549857a08e.jpg?v=1761264408</image:loc>
      <image:title>*1,3-Dichlorobenzene, Neat, CAS # 541-73-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dichlorobenzene-neat-cas-106-46-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3ad40ca0-47ed-47de-b57a-043099728b60.jpg?v=1761264411</image:loc>
      <image:title>*1,4-Dichlorobenzene, Neat,  CAS # 106-46-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichlorobenzene-neat-cas-87-61-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e83ff7ef-07f1-49ce-97b2-8ab67dcc5081.jpg?v=1761264415</image:loc>
      <image:title>*1,2,3-Trichlorobenzene, Neat, CAS # 87-61-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-trichlorobenzene-neat-cas-120-82-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30dafa76-2373-4eb4-8e96-7e2651b1470d.jpg?v=1761264419</image:loc>
      <image:title>*1,2,4-Trichlorobenzene, Neat, CAS # 120-82-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trichlorobenzene-neat-cas-108-70-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_71383512-ca2e-4437-8d85-aca8098c5cd8.jpg?v=1761264422</image:loc>
      <image:title>1,3,5-Trichlorobenzene, Neat, CAS # 108-70-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-4-tetrachlorobenzene-neat-cas-634-66-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_43a76339-98ae-4726-99bb-b4370cae6433.jpg?v=1761264426</image:loc>
      <image:title>1,2,3,4-Tetrachlorobenzene, Neat, CAS # 634-66-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-5-tetrachlorobenzene-neat-cas-634-90-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_68cdee99-3594-4c77-883a-05cfd7ac9014.jpg?v=1761264430</image:loc>
      <image:title>*1,2,3,5-Tetrachlorobenzene, Neat,  CAS # 634-90-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-5-tetrachlorobenzene-neat-cas-95-94-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3d565f06-dde7-4bac-9fb2-79f17abd15d5.jpg?v=1761264433</image:loc>
      <image:title>*1,2,4,5-Tetrachlorobenzene, Neat,  CAS # 95-94-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorobenzene-neat-cas-608-93-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a76763a0-4328-475e-8cfe-394a59e8f06a.jpg?v=1761264437</image:loc>
      <image:title>*Pentachlorobenzene, Neat, CAS # 608-93-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-neat-cas-118-74-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dee7fb5e-0166-4302-98d2-6636115f2829.jpg?v=1761264440</image:loc>
      <image:title>*Hexachlorobenzene, Neat, CAS # 118-74-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-neat-cas-95-57-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e5e67058-4063-4abc-bff0-cf893fd7071e.jpg?v=1761264444</image:loc>
      <image:title>*2-Chlorophenol, Neat, CAS # 95-57-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-chlorophenol-neat-cas-108-43-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9e3b38d1-541a-489e-b298-a1eb049ce73b.jpg?v=1761264447</image:loc>
      <image:title>*3-Chlorophenol, Neat, CAS # 108-43-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_358dc05f-57f1-4600-b930-41e7192fbe79.jpg?v=1761264451</image:loc>
      <image:title>*4-Chlorophenol, Neat, CAS # 106-48-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-dichlorophenol-neat-cas-576-24-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f4bff072-602e-42b0-8f49-c9cbb26cb6a8.jpg?v=1761264455</image:loc>
      <image:title>*2,3-Dichlorophenol, Neat, CAS # 576-24-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenol-neat-cas-120-83-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_50adc9e6-9b0d-4f13-bcd2-7b270f032038.jpg?v=1761264459</image:loc>
      <image:title>*2,4-Dichlorophenol, Neat, CAS # 120-83-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-5-dichlorophenol-neat-cas-583-78-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a7223396-472b-4bdc-bb02-89279f9d4e31.jpg?v=1761264462</image:loc>
      <image:title>2,5-Dichlorophenol, Neat, CAS # 583-78-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-neat-cas-87-65-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4c13b51f-8e91-4645-a671-9039f54baac4.jpg?v=1761264466</image:loc>
      <image:title>*2,6-Dichlorophenol, Neat, CAS # 87-65-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-dichlorophenol-neat-cas-95-77-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_692cb1f9-f47e-49c5-86bf-8cbbffca0029.jpg?v=1761264470</image:loc>
      <image:title>*3,4-Dichlorophenol, Neat, CAS # 95-77-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-5-dichlorophenol-neat-cas-591-35-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_04bd150f-6f5c-4d27-9967-0a99d060408f.jpg?v=1761264474</image:loc>
      <image:title>*3,5-Dichlorophenol, Neat, CAS # 591-35-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-trichlorophenol-neat-cas-15950-66-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b046fc09-fa21-4666-a826-300cfa8ebea5.jpg?v=1761264477</image:loc>
      <image:title>*2,3,4-Trichlorophenol, Neat, CAS # 15950-66-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-trichlorophenol-neat-cas-933-78-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e53e859f-2063-4e9f-812c-2c51c7d6767c.jpg?v=1761264481</image:loc>
      <image:title>*2,3,5-Trichlorophenol, Neat,  CAS # 933-78-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-6-trichlorophenol-neat-cas-933-75-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3ef02c5b-ee31-4ac0-80aa-a455560327c8.jpg?v=1761264485</image:loc>
      <image:title>*2,3,6-Trichlorophenol, Neat,  CAS # 933-75-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-trichlorophenol-neat-cas-95-95-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2721c2b7-2ba6-49cd-8c84-5760f9ba026d.jpg?v=1761264488</image:loc>
      <image:title>*2,4,5-Trichlorophenol, Neat,  CAS # 95-95-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-trichlorophenol-1000-ug-ml-in-methanol-cas-95-95-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e9630712-ae4d-473d-98c3-b2e01b8b1c9d.jpg?v=1761264492</image:loc>
      <image:title>*2,4,5-Trichlorophenol, 1000 µg/mL in MeOH, CAS # 95-95-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenol-cas-88-06-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c415332c-bfe5-49b7-a68c-3ff891721bb4.jpg?v=1761264496</image:loc>
      <image:title>*2,4,6-Trichlorophenol, Neat,  CAS # 88-06-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-5-trichlorophenol-cas-609-19-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_be45794c-e1e5-4efd-acf5-bb42d014cf3f.jpg?v=1761264499</image:loc>
      <image:title>*3,4,5-Trichlorophenol, Neat, CAS # 609-19-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-5-tetrachlorophenol-cas-4901-51-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6f8a3e0-7f93-48c9-a2d5-a47f777d3025.jpg?v=1761264503</image:loc>
      <image:title>*2,3,4,5-Tetrachlorophenol, Neat, CAS # 4901-51-3, 5 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-6-tetrachlorophenol-cas-58-90-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4d0a2087-945a-4047-84f3-7a3bf7e80980.jpg?v=1761264506</image:loc>
      <image:title>*2,3,4,6-Tetrachlorophenol, Neat, CAS # 58-90-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-6-tetrachlorophenol-cas-935-95-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_17aa15b4-3fc8-4c35-99ec-90520f4c2802.jpg?v=1761264514</image:loc>
      <image:title>*2,3,5,6-Tetrachlorophenol, Neat, CAS # 935-95-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-6-tetrachlorophenol-cas-935-95-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30c63acf-1256-4df6-b1f5-c28a708aafd7.jpg?v=1761264518</image:loc>
      <image:title>*2,3,5,6-Tetrachlorophenol, Neat,  CAS # 935-95-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-cas-87-86-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c87b5830-9d60-4f99-a63f-8b870a05fef1.jpg?v=1761264522</image:loc>
      <image:title>*Pentachlorophenol, Neat,  CAS # 87-86-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aluminum-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl.jpg?v=1776872700</image:loc>
      <image:title>*Aluminum AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aluminum-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_2bc04a8f-1a52-4194-8f34-50244b0bf988.jpg?v=1776872706</image:loc>
      <image:title>*Aluminum AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/antimony-aa-standard-1000-ug-ml-in-2-5-hno3-tr-tartaric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0e9102dd-1eb1-491c-9c25-c6a236189728.jpg?v=1776872711</image:loc>
      <image:title>*Antimony AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Tartaric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/antimony-aa-standard-1000-ug-ml-in-2-5-nitric-acid-tr-tartaric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_7ef9cb8f-94bf-494c-8278-85b4fe28dba2.jpg?v=1776872716</image:loc>
      <image:title>*Antimony AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Tartaric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/arsenic-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_ea3091e1-2699-4ca7-9e62-94736d44e848.jpg?v=1776872720</image:loc>
      <image:title>*Arsenic AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/arsenic-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c28c27bd-4907-48d6-803d-4c235f80b4dd.jpg?v=1776872725</image:loc>
      <image:title>*Arsenic AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/barium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_10a341da-52a7-48b4-b247-e6fb291c26e8.jpg?v=1776872729</image:loc>
      <image:title>*Barium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/barium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_6fd29722-2273-4a83-9cde-8e926528c3a8.jpg?v=1776872734</image:loc>
      <image:title>*Barium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/boron-aa-standard-1000-ug-ml-in-water-tr-nh4oh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_eca34ad7-94ce-40a2-a3d7-2c99b8b522cc.jpg?v=1776872739</image:loc>
      <image:title>Boron AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/boron-aa-standard-1000-ug-ml-in-water-tr-ammonium-hydroxide</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_ad54d11d-7c53-44ea-903a-464ac3fdeb05.jpg?v=1776872744</image:loc>
      <image:title>*Boron AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cadmium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0ada2848-4a5c-4b6b-95d7-ccd77ce76bfc.jpg?v=1776872748</image:loc>
      <image:title>*Cadmium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cadmium-aa-standard-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_32ddf213-7453-4670-8b7f-3bd777aac8c0.jpg?v=1776872753</image:loc>
      <image:title>*Cadmium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_3d9aa872-8f95-42e3-9952-c6cf4c8a2d19.jpg?v=1776872757</image:loc>
      <image:title>*Calcium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1d5731eb-5ad2-4364-a840-dae1ecb19148.jpg?v=1776872762</image:loc>
      <image:title>*Calcium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chromium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_6c4b35ac-81fd-4aa3-98ce-e8b5af8cbae2.jpg?v=1776872766</image:loc>
      <image:title>*Chromium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chromium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_406d90a4-cce2-4738-810c-a6c7d552b361.jpg?v=1776872773</image:loc>
      <image:title>*Chromium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cobalt-aa-standard-1000-ug-ml-in-2-5-nitric-acid-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_cc5315bf-0131-4775-a084-d448f56260e8.jpg?v=1776872778</image:loc>
      <image:title>*Cobalt AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cobalt-aa-standard-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_605162cc-d0bf-4ff7-9996-1c913117f542.jpg?v=1776872784</image:loc>
      <image:title>*Cobalt AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1d7f7df5-1474-4209-bd97-a63c1a2f4943.jpg?v=1776872792</image:loc>
      <image:title>*Copper AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1d92b84c-bf7f-4513-815a-835b73410bb5.jpg?v=1776872805</image:loc>
      <image:title>*Copper AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/iron-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_7699441b-847c-4722-9c95-d82b05b4f351.jpg?v=1776872811</image:loc>
      <image:title>*Iron AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/iron-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_10357c37-0e82-431d-ad37-c5c44a5b8143.jpg?v=1776872817</image:loc>
      <image:title>*Iron AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lead-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_33098e6f-8c64-4217-bc31-beb19bf9298e.jpg?v=1776872822</image:loc>
      <image:title>*Lead AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lead-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_2240b0e4-35fa-40be-a9b4-89a37b049f30.jpg?v=1776872827</image:loc>
      <image:title>*Lead AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lithium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_9fddbb77-1faa-4000-929b-ecf64f9e7b24.jpg?v=1776872831</image:loc>
      <image:title>*Lithium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lithium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_28b9dd43-efba-489f-8eb0-55c2ec01c1e7.jpg?v=1776872835</image:loc>
      <image:title>*Lithium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/magnesium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1db54a61-cd2a-4efe-ae4c-c40f517f5c91.jpg?v=1776872840</image:loc>
      <image:title>*Magnesium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/magnesium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0f0b683c-e844-46ef-bcad-14a72b26b23f.jpg?v=1776872844</image:loc>
      <image:title>*Magnesium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/manganese-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_9cd4b4ca-4bdd-4284-a529-97d5aa82029f.jpg?v=1776872849</image:loc>
      <image:title>*Manganese AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/manganese-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1ddd0a66-140a-4fcd-8e26-aef920869269.jpg?v=1776872853</image:loc>
      <image:title>*Manganese AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-aa-standard-1000-ug-ml-in-10-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_bbe179dc-0532-4804-b7a4-83b7dfb0b1e1.jpg?v=1776872857</image:loc>
      <image:title>*Mercury AA Standard, 1000 µg/mL in 10% Nitric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-aa-standard-1000-ug-ml-in-10-nitric-acid-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c55cfc34-e730-4ea6-a649-b0835346851f.jpg?v=1776872862</image:loc>
      <image:title>*Mercury AA Standard, 1000 µg/mL in 10% Nitric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/molybdenum-aa-standard-1000-ug-ml-in-water-dilute-nh4oh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_4ba54111-603a-4fec-981b-af8da9de4890.jpg?v=1776872866</image:loc>
      <image:title>Molybdenum AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/molybdenum-aa-standard-1000-ug-ml-in-water-tr-ammonium-hydroxide</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_9a8ea749-70c7-4360-9440-616756b97db3.jpg?v=1776872870</image:loc>
      <image:title>*Molybdenum AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nickel-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_22672596-776c-4547-9404-4a3bd9d9e94f.jpg?v=1776872874</image:loc>
      <image:title>*Nickel AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nickel-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_5ef5c7cb-45ac-4e31-b75a-f8e4c5e7cf8c.jpg?v=1776872879</image:loc>
      <image:title>*Nickel AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phosphorus-aa-standard-1000-ug-ml-in-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_9d9eeba9-7480-45df-afb4-e23f23ee8ec3.jpg?v=1776872884</image:loc>
      <image:title>*Phosphorus AA Standard, 1000 µg/mL in Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phosphorus-aa-standard-1000-ug-ml-in-water-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a05df291-5271-46a1-892d-58b28287ca8e.jpg?v=1776872889</image:loc>
      <image:title>*Phosphorus AA Standard, 1000 µg/mL in Water, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1d7eb88a-7e65-4580-a24c-a3bbd9768f8f.jpg?v=1776872895</image:loc>
      <image:title>*Potassium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_cdb0dc79-1452-4b3d-82d5-f3924d163a5e.jpg?v=1776872899</image:loc>
      <image:title>*Potassium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/selenium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c9f3b471-950b-4f86-b3b1-d433d0b93ea5.jpg?v=1776872904</image:loc>
      <image:title>*Selenium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/selenium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_7045543e-cb20-4ebe-a157-b31a7ade6e5b.jpg?v=1776872908</image:loc>
      <image:title>*Selenium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silicon-aa-standard-1000-ug-ml-in-water-tr-hf-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0bac43c6-e4d7-4f59-9c19-accd0d8ebe36.jpg?v=1776872912</image:loc>
      <image:title>Silicon AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silicon-aa-standard-1000-ug-ml-in-water-tr-hf-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_9f32e7d6-cbd7-4375-81d3-13ca8f269e51.jpg?v=1776872916</image:loc>
      <image:title>Silicon AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_3f6179cc-8626-4121-9f12-fd89b61c6f22.jpg?v=1776872920</image:loc>
      <image:title>*Silver AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_17bdaaed-57f0-49ce-b6c9-8a7bde4551b1.jpg?v=1776872924</image:loc>
      <image:title>*Silver AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_7e0751e3-27e8-4775-bd0e-ab4e5b42d0bd.jpg?v=1776872929</image:loc>
      <image:title>*Sodium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_ebcb18cf-ad13-4ba5-8156-520bc1b4992c.jpg?v=1776872933</image:loc>
      <image:title>*Sodium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/strontium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_456aeb78-dd60-4294-a6ef-38e4e0a644f9.jpg?v=1776872937</image:loc>
      <image:title>*Strontium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/strontium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0a2bcea2-a774-4eb1-a1ce-3e67ac938f19.jpg?v=1776872941</image:loc>
      <image:title>*Strontium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-aa-standard-1000-ug-ml-in-water-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_65985c1a-653e-4fd5-a69c-f554d90869fb.jpg?v=1776872706</image:loc>
      <image:title>*Sulfur AA Standard, 1000 µg/mL in Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-aa-standard-1000-ug-ml-in-water</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_45cf1af6-4407-428b-bdfc-89c251fa97ed.jpg?v=1776872712</image:loc>
      <image:title>*Sulfur AA Standard, 1000 µg/mL in Water, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thallium-aa-standard-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1fb93385-451a-4d10-aab6-b811d08db4e8.jpg?v=1776872716</image:loc>
      <image:title>*Thallium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thallium-aa-std-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_aa8c84b4-27c6-4497-a0d3-89f5aef6534a.jpg?v=1776872721</image:loc>
      <image:title>*Thallium AA Std, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tin-aa-standard-1000-ug-ml-in-water-tr-hf</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_13826e8f-4246-4dc1-9b36-d905e64bad64.jpg?v=1776872726</image:loc>
      <image:title>*Tin AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tin-aa-standard-1000-ug-ml-in-2-5-nitric-acid-tr-hydrofluoric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_68f11997-4d80-453b-9810-02eebec597ab.jpg?v=1776872730</image:loc>
      <image:title>*Tin AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/titanium-aa-standard-1000-ug-ml-in-water-tr-hf</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_19452da4-5397-4917-9318-8a3a68493cf4.jpg?v=1776872734</image:loc>
      <image:title>Titanium AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/titanium-aa-standard-1000-ug-ml-in-water-tr-hf-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0891ae7f-d7e5-48e3-91a0-1dae5975d4c2.jpg?v=1776872739</image:loc>
      <image:title>*Titanium AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vanadium-aa-standard-1000-ug-ml-in-5-10-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_e40b76e4-89e6-491e-b0f6-97526cde3342.jpg?v=1776872744</image:loc>
      <image:title>*Vanadium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vanadium-aa-standard-1000-ug-ml-in-5-10-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_271d5046-a11d-4b5a-9a92-b68a89e0f1a8.jpg?v=1776872748</image:loc>
      <image:title>*Vanadium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/yttrium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_261d6b57-1158-4d5b-bd56-3e091bb95500.jpg?v=1776872753</image:loc>
      <image:title>*Yttrium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/yttrium-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_418803eb-dee6-407e-82c5-cc3fc8ad3570.jpg?v=1776872758</image:loc>
      <image:title>*Yttrium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zinc-aa-standard-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_b46dead7-0118-4f28-81c0-307243826454.jpg?v=1776872762</image:loc>
      <image:title>*Zinc AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zinc-aa-standard-1000-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_b5a11499-3fdc-4995-9862-d92d83beff32.jpg?v=1776872767</image:loc>
      <image:title>*Zinc AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-1-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ce610fad-cfa7-446b-ab3d-035633d39378.jpg?v=1761264579</image:loc>
      <image:title>*Pesticide Mix 1, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-1-varied-conc-in-toluene-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4234bfd8-6cca-4eeb-9075-c97db6eb36bf.jpg?v=1761264583</image:loc>
      <image:title>*Pesticide Mix 1, Varied conc. in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-2-10-0-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_accd4585-adfc-475d-aaeb-ba0db5e7aa03.jpg?v=1761264586</image:loc>
      <image:title>*Pesticide Mix 2, 10.0 µg/mL  in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-2-10-0-ug-ml-in-toluene-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c0cbf6be-1f6e-44a8-b2a3-be0315c43e17.jpg?v=1761264590</image:loc>
      <image:title>*Pesticide Mix 2, 10.0 µg/mL in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-3-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_be3ec935-9bde-4ea2-b086-bb33f781b1d0.jpg?v=1761264593</image:loc>
      <image:title>*Pesticide Mix 3, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-4-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_73f50b47-9683-4157-ad00-a4a6bd2f9925.jpg?v=1761264597</image:loc>
      <image:title>*Pesticide Mix 4, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-5-varied-conc-in-ethyl-acetate-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_de44c134-1143-4402-a753-e12d7e9d460f.jpg?v=1761264600</image:loc>
      <image:title>*Pesticide Mix 5, Varied conc. in Ethyl acetate, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-5-varied-conc-in-ethyl-acetate-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c38c6933-721f-4319-8352-41f49ff6de72.jpg?v=1761264604</image:loc>
      <image:title>*Pesticide Mix 5, Varied conc. in Ethyl acetate, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-6-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_684b28ae-c816-4c71-96b7-40a626000a44.jpg?v=1761264608</image:loc>
      <image:title>*Pesticide Mix 6, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-7-varied-conc-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_81126ff7-60f5-49a9-b25e-bed52e902d87.jpg?v=1761264611</image:loc>
      <image:title>*Pesticide Mix 7, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-8-varied-conc-in-toluene-acetone-hexane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_03047bb4-e5aa-4d53-859a-13c729748c0c.jpg?v=1761264615</image:loc>
      <image:title>*Pesticide Mix 8, Varied conc. in Toluene:Acetone:Hexane (90:5:5), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-8-varied-conc-in-toluene-acetone-hexane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4d5a4de0-6804-403c-8cbb-311ec72ef231.jpg?v=1761264619</image:loc>
      <image:title>*Pesticide Mix 8, Varied conc. in Toluene:Acetone:Hexane (90:5:5), 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-9-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c2e4a57f-4c16-4b2c-aa1b-a2c141790407.jpg?v=1761264623</image:loc>
      <image:title>*Pesticide Mix 9, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-10-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c57ef99a-e3e7-4cb5-8fa0-66e7ad7eede0.jpg?v=1761264626</image:loc>
      <image:title>*Pesticide Mix 10, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-11-10-0-ug-ml-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c577c24-f414-44f6-8141-3aceb86ae3b3.jpg?v=1761264630</image:loc>
      <image:title>*Pesticide Mix 11, 10.0 µg/mL in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-11-10-0-ug-ml-in-toluene-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e0fafa6-3ac7-4f82-82e4-52b2cf062d39.jpg?v=1761264633</image:loc>
      <image:title>*Pesticide Mix 11, 10.0 µg/mL in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-12-toluene-acetone-90-10</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_025cd7dc-4bfc-420f-bc58-edfc8792fdd6.jpg?v=1761264638</image:loc>
      <image:title>*Pesticide Mix 12, Varied conc. in Toluene:Acetone (90:10), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-13-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_295845eb-2f52-4470-96d8-32f21324c4d0.jpg?v=1761264641</image:loc>
      <image:title>*Pesticide Mix 13, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-13-varied-conc-in-toluene-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d9c4074f-65d0-4a6e-a14c-5d3f91e83f07.jpg?v=1761264645</image:loc>
      <image:title>*Pesticide Mix 13, Varied conc. in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-14-varied-conc-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_74475ca9-8ba2-4423-8c2c-658f528950ad.jpg?v=1761264649</image:loc>
      <image:title>*Pesticide Mix 14, Varied conc. in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-14-varied-conc-in-toluene-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f72ad8e6-44ec-4a42-8433-929cafbc3f7c.jpg?v=1761264653</image:loc>
      <image:title>*Pesticide Mix 14, Varied conc. in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-15-0-02-ug-ml-in-ethyl-acetate-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0734fbab-1f4b-44bc-b2c5-99186347ff4e.jpg?v=1761264656</image:loc>
      <image:title>*Pesticide Mix 15, 0.02 µg/mL in Ethyl acetate, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-15-0-02-ug-ml-in-ethyl-acetate-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d9b38483-cfcc-4f64-8524-c45b094d712e.jpg?v=1761264660</image:loc>
      <image:title>*Pesticide Mix 15, 0.02 µg/mL in Ethyl acetate, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-1-varied-conc-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c13e6d3c-ef48-472b-a651-dfe1eaa71f99.jpg?v=1761264664</image:loc>
      <image:title>*PAH Mix 1, Varied conc. in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-1-varied-conc-in-acetonitrile-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e921e99b-a02e-43a5-b53b-2c4c39856c6a.jpg?v=1761264667</image:loc>
      <image:title>*PAH Mix 1, Varied conc. in Acetonitrile, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-17-10-0-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5621cbd4-afad-498d-ab31-fee63035435a.jpg?v=1761264671</image:loc>
      <image:title>*Pesticide Mix 17, 10.0 µg/mL in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-18-10-0-ug-ml-in-toluene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2328e1fa-74d7-4fa2-a37e-fb91cd424b00.jpg?v=1761264675</image:loc>
      <image:title>*Pesticide Mix 18, 10.0 µg/mL in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-18-10-0-ug-ml-in-toluene-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d08dd52d-651a-47fe-868f-bd40ad9298d0.jpg?v=1761264678</image:loc>
      <image:title>*Pesticide Mix 18, 10.0 µg/mL in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-19-10-0-ug-ml-in-toluene-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e5383409-a48e-49c1-96b0-63dd7150a57f.jpg?v=1761264682</image:loc>
      <image:title>*Pesticide Mix 19, 10.0 µg/mL in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-19-10-0-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cd8d3e9f-543a-48e4-8bf6-a303b71bd804.jpg?v=1761264685</image:loc>
      <image:title>*Pesticide Mix 19, 10.0 µg/mL in Toluene, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-16-10-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_78d736c6-0cde-4bd0-97cb-b20b7915602f.jpg?v=1761264689</image:loc>
      <image:title>*Pesticide Mix 16, 10 µg/mL in Ethyl acetate, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-16-10-0-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4c86a9c8-3531-472c-b081-b90e4e77dcb7.jpg?v=1761264692</image:loc>
      <image:title>*Pesticide Mix 16, 10.0 µg/mL in Ethyl acetate, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-20-10-0-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bc529b2d-3263-4bfd-ab8f-80e25171bbaf.jpg?v=1761264696</image:loc>
      <image:title>*Pesticide Mix 20, 10.0 µg/mL in Ethyl acetate, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-3-10-ug-ml-in-acetonitrile-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d75bb4f-7f07-4dea-aeb1-efcb272ef2dd.jpg?v=1761264699</image:loc>
      <image:title>*PAH Mix 3, 10 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-3-10-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_47f4a619-f6ee-4161-b899-bcd1684cd5ef.jpg?v=1761264703</image:loc>
      <image:title>*PAH Mix 3, 10 µg/mL in Acetonitrile, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-4-varied-conc-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_13181d14-a403-42b6-b131-f359b93a2527.jpg?v=1761264707</image:loc>
      <image:title>*PAH Mix 4, Varied conc. in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-4-varied-conc-in-acetonitrile-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9defd30c-e0bd-4af9-850c-916f9c015a34.jpg?v=1761264711</image:loc>
      <image:title>*PAH Mix 4, Varied conc. in Acetonitrile, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-trichloroethane-100-ug-ml-in-methanol-ae-00034-cal-05-cas-71-55-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c1d64d05-3eda-4883-ab8d-099933e2b61f.jpg?v=1761264714</image:loc>
      <image:title>*1,1,1-Trichloroethane, 100 µg/mL in MeOH, CAS # 71-55-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-trichloroethane-calibration-curve</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0ac3eabf-234e-4459-9a02-5c2fcfa4c96b.jpg?v=1761264718</image:loc>
      <image:title>*1,1,1-Trichloroethane Calibration Curve, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichloroethene-100-ug-ml-in-methanol-ae-00035-cal-05-cas-79-01-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_184c65a1-8605-471a-b9f0-04233e77c2fd.jpg?v=1761264721</image:loc>
      <image:title>*Trichloroethene, 100 µg/mL in Methanol, CAS # 79-01-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachloroethene-calibration-curve</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1ff139ae-75a8-4b11-8cb8-3616fc866adc.jpg?v=1761264724</image:loc>
      <image:title>*Tetrachloroethene  Calibration Curve, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichloromethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f2856cdb-c905-4726-a6fd-430d4e4604a5.jpg?v=1761264728</image:loc>
      <image:title>*Dichloromethane, 100 µg/mL in MeOH, CAS # 75-09-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichloromethane-calibration-curve</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4d099302-cb57-4d8d-9479-e13ae3cc76a7.jpg?v=1761264732</image:loc>
      <image:title>*Dichloromethane Calibration Curve, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_36de3b0b-189e-4578-a096-41f82b2f37c1.jpg?v=1761264736</image:loc>
      <image:title>*Carbon Tetrachloride, 100 µg/mL in MeOH, CAS # 56-23-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-calibration-curve</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d254537e-a8e1-4333-a80b-e31501fa0f79.jpg?v=1761264740</image:loc>
      <image:title>*Carbon tetrachloride Calibration Curve, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-2-calibration-set</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec7527a0-debe-4d6e-8667-220b31adf362.jpg?v=1761264743</image:loc>
      <image:title>*Volatiles Mix 2 - Calibration Set, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congeners-mix-2-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bd10b97b-88ac-44b2-9bff-d02fa1d48575.jpg?v=1761264565</image:loc>
      <image:title>*PCB Congeners Mix 2, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congeners-mix-3-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cb85958e-626b-4bed-beda-8844c5b1cf69.jpg?v=1761264569</image:loc>
      <image:title>*PCB Congeners Mix 3, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congeners-mix-3-10-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fb76b8a3-d5d9-4850-a908-0513880671b1.jpg?v=1761264573</image:loc>
      <image:title>*PCB Congeners Mix 3, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/air-monitoring-aldehyde-dnph-mix-1-varied-conc-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4a8bc639-a53b-4ae3-80fc-65b7e488e430.jpg?v=1761264577</image:loc>
      <image:title>*Air Monitoring Aldehyde-DNPH Mix 1, Varied conc. in Acetonitile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/air-monitoring-aldehyde-dnph-mix-2-varied-concentration-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fff0271e-db64-4bf7-abfb-c5e84adcb379.jpg?v=1761264581</image:loc>
      <image:title>*Air Monitoring Aldehyde-DNPH Mix 2, Varied Concentration in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyclohexanone-dnph-500-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_521ed21e-f47b-48ca-ba38-49502d8d346c.jpg?v=1761264585</image:loc>
      <image:title>*Cyclohexanone-DNPH, 500 µg/mL in Acetonitrile, CAS # 1589-62-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachlorvinphos-1000-ug-ml-in-acetonitrile-cas-961-11-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9144ab1-83e6-43d8-99f4-4f4ade98dfe6.jpg?v=1761264589</image:loc>
      <image:title>*Tetrachlorvinphos, 1000 µg/mL in Acetonitrile, CAS # 22248-79-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-mix-3-100-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d3944786-6116-4f29-b033-b03151d06cb5.jpg?v=1761264592</image:loc>
      <image:title>*Volatile Mix 3, 100 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carcinogenic-aryl-amine-mix-100-ug-ml-in-ethyl-acetate-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5829ff3a-38d7-4ab6-a8a7-5036952209b5.jpg?v=1761264596</image:loc>
      <image:title>*Carcinogenic Aryl Amine Mix, 100 µg/mL in Ethyl acetate, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carcinogenic-aryl-amine-mix-100-ug-ml-in-ethyl-acetate-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1bfd325c-ccd2-4c37-a984-96a21133cffa.jpg?v=1761264599</image:loc>
      <image:title>*Carcinogenic Aryl Amine Mix, 100 µg/mL in Ethyl acetate, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-21-10-ug-ml-in-cyclohexane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7e5d2455-227a-47c5-b4cf-dc94f9afa67d.jpg?v=1761264603</image:loc>
      <image:title>*Pesticide Mix 21, 10 µg/mL in Cyclohexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-21-10-ug-ml-in-cyclohexane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b56365e-5f6d-43a2-899b-a6908efd7832.jpg?v=1761264607</image:loc>
      <image:title>*Pesticide Mix 21, 10 µg/mL in Cyclohexane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-22-10-ug-ml-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8df97d91-ff88-44c6-a81c-4b3880e21686.jpg?v=1761264611</image:loc>
      <image:title>*Pesticide Mix 22, 10 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-22-10-ug-ml-in-acetonitrile-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_60d09e31-4f72-440f-a44b-fce196869d53.jpg?v=1761264614</image:loc>
      <image:title>*Pesticide Mix 22, 10 µg/mL in Acetonitrile, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-23-10-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b8802a29-f921-40f8-9459-d6c66f6f2c65.jpg?v=1761264618</image:loc>
      <image:title>*Pesticide Mix 23, 10 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-23-10-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_29320cf3-2bb0-46f5-8ca2-17ce2768b933.jpg?v=1761264622</image:loc>
      <image:title>*Pesticide Mix 23, 10 µg/mL in Acetonitrile, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-24-varied-conc-in-cyclohexane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ca68c703-215b-494b-9333-b93adb90fbe7.jpg?v=1761264625</image:loc>
      <image:title>*Pesticide Mix 24, Varied conc. in Cyclohexane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-25-10-ug-ml-in-cyclohexane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23033ee7-3d63-46ae-b232-0e584b6731f3.jpg?v=1761264629</image:loc>
      <image:title>*Pesticide Mix 25, 10 µg/mL in Cyclohexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-25-10-ug-ml-in-cyclohexane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bf220130-a754-4bb8-acb2-d58338d00077.jpg?v=1761264632</image:loc>
      <image:title>*Pesticide Mix 25, 10 µg/mL in Cyclohexane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-26-1-0-ug-ml-in-cyclohexane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0357cf66-45e9-4841-96ef-82a99c5a9f06.jpg?v=1761264636</image:loc>
      <image:title>*Pesticide Mix 26, 1.0 µg/mL in Cyclohexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-27-1-0-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b8d3cbde-cdaa-493e-88bc-73315dc7cd79.jpg?v=1761264639</image:loc>
      <image:title>*Pesticide Mix 27, 1.0 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-28-10-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_41cc196d-faeb-45b6-b8bd-03c49e9529a0.jpg?v=1761264643</image:loc>
      <image:title>*Pesticide Mix 28, 10 µg/mL in Ethyl acetate, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-mix-1-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4511c36a-dccd-4c5b-af87-b5aadf95ef2b.jpg?v=1761264647</image:loc>
      <image:title>*PCB Congener Content Evaluation Mix 1, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-mix-1-10-ug-ml-in-isooctane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_be9f8e0c-2da4-4e83-a5d1-a4488d52c38e.jpg?v=1761264650</image:loc>
      <image:title>*PCB Congener Content Evaluation Mix 1, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-mix-1-20-ug-ml-in-n-hexane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a4ccd78-18ff-4af5-a699-8be18ffaf47a.jpg?v=1761264654</image:loc>
      <image:title>*PCB Congener Content Evaluation Mix 1, 20 µg/mL in n-Hexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-mix-1-20-ug-ml-in-hexane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1519700d-b3ef-4b94-a7f0-326ca32ace94.jpg?v=1761264658</image:loc>
      <image:title>*PCB Congener Content Evaluation Mix 1, 20 µg/mL in Hexane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-revised-mix-1-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a88a72ef-869b-440e-a9e3-2b7f26c7d8ee.jpg?v=1761264662</image:loc>
      <image:title>*PCB Congener Content Evaluation Revised Mix 1, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-revised-mix-1-10-ug-ml-in-isooctane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_95f133e8-fbb1-4fc1-b8b8-257001ecc9a3.jpg?v=1761264665</image:loc>
      <image:title>*PCB Congener Content Evaluation Revised Mix 1, 10 µg/mL in isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evalutaion-mix-2-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e3d1af10-0da7-4b3e-bf11-236cf0a97bf1.jpg?v=1761264669</image:loc>
      <image:title>*PCB Congener Content Evaluation Mix 2, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a1fd25a6-4d39-485d-9189-f213226c9255.jpg?v=1761264673</image:loc>
      <image:title>*Congener Calibration Mix, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-10-ug-ml-in-isooctane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cc0fa1a9-dbce-458e-a9b5-d7c9469b40a5.jpg?v=1761264677</image:loc>
      <image:title>*Congener Calibration Mix, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-4-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2ae43844-590c-4471-b671-e2b603af3f57.jpg?v=1761264680</image:loc>
      <image:title>*Congener Calibration Mix #4, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-6-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_efdee0ea-f165-46e5-89ee-81a27e7eccaf.jpg?v=1761264684</image:loc>
      <image:title>*Congener Calibration Mix #6, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-7-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a9bc06e4-c0f8-49bf-afa1-aa331eceb9b5.jpg?v=1761264688</image:loc>
      <image:title>*Congener Calibration Mix #7, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-8-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aaf13bad-005c-4c7c-90ed-84eb4d378506.jpg?v=1761264692</image:loc>
      <image:title>*Congener Calibration Mix #8, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-12-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d03f9b33-05f9-4035-aa10-d59e426660e2.jpg?v=1761264696</image:loc>
      <image:title>*Congener Calibration Mix #12, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-14-1-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_16fc2266-17e6-416e-a038-043de54b9459.jpg?v=1761264699</image:loc>
      <image:title>*Congener Calibration Mix #14, 1 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-20-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eb8b0ac0-126f-414b-bf2f-57897c807413.jpg?v=1761264703</image:loc>
      <image:title>*Congener Calibration Mix #20, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-21-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23f4160c-0d3e-4f93-8bd8-6d8d28fbe54a.jpg?v=1761264706</image:loc>
      <image:title>*Congener Calibration Mix #21, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-23-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_13ba420b-8769-456e-b880-06a9e5c7bfa0.jpg?v=1761264710</image:loc>
      <image:title>*Congener Calibration Mix #23, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-24-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58d7e581-73da-4ef0-8ad6-d51b7b7236d6.jpg?v=1761264714</image:loc>
      <image:title>*Congener Calibration Mix #24, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-25-100-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7befe89a-fe87-4bd3-b529-1e6cbf43a7f3.jpg?v=1761264718</image:loc>
      <image:title>*Congener Calibration Mix #25, 100 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-28-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_464401c4-750d-439d-987d-f2451c23340b.jpg?v=1761264722</image:loc>
      <image:title>*Congener Calibration Mix #28, 10 µg/mL in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/analt-b-quality-control-standard-varied-conc-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c9bb7e9a-a3ba-4775-a499-e2884bb876f5.jpg?v=1776872773</image:loc>
      <image:title>*ANALT-B Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/analt-b-quality-control-standard-varied-conc-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_63d7042a-c529-415b-afaf-eff6a9cd9c52.jpg?v=1776872784</image:loc>
      <image:title>*ANALT-B Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-1-100-ug-ml-in-2-5-nitric-acid-tr-hydrofluoric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_d33b3c4f-39b0-40b8-9c1d-243037fdbf7e.jpg?v=1776872803</image:loc>
      <image:title>*Calibration Mix #1, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-1-100-ug-ml-in-2-5-nitric-acid-tr-hydrofluoric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_04688d5b-ea67-464f-877f-ccbd6d5797e2.jpg?v=1776872814</image:loc>
      <image:title>*Calibration Mix #1, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1621dd0e-4345-4e6a-8709-fea3e496ea77.jpg?v=1776872819</image:loc>
      <image:title>*Calibration Mix #2, 100 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-2-100-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_68b70455-fd50-4083-b4dd-24056dcb1110.jpg?v=1776872823</image:loc>
      <image:title>*Calibration Mix #2, 100 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-calibration-standard-varied-conc-in-10-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_7d2d7ed0-a7f1-4ec3-ac25-fb35559abed9.jpg?v=1776872827</image:loc>
      <image:title>*Environmental Calibration Standard, Varied conc. in 10% Nitric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-calibration-standard-varied-conc-in-10-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_33e4370c-c818-4920-8cac-3b258a68c946.jpg?v=1776872831</image:loc>
      <image:title>*Environmental Calibration Standard, Varied conc. in 10% Nitric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-majors-500-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_0cd1a6fe-5267-4d99-9222-f464a6c16a8e.jpg?v=1776872836</image:loc>
      <image:title>*Calibration Mix Majors, 500 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-majors-500-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_6d217efc-aef3-47ef-bb6f-cc1b401fae66.jpg?v=1776872840</image:loc>
      <image:title>*Calibration Mix Majors, 500 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icv-7-quality-control-standard-varied-conc-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_ceb20e15-c6df-47d0-a65d-0cf34e8dc0bb.jpg?v=1776872844</image:loc>
      <image:title>*ICV-7 Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icv-7-quality-control-standard-varied-conc-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_2c1a954a-3a4a-45a9-ab44-befd28cb7dcc.jpg?v=1776872848</image:loc>
      <image:title>*ICV-7 Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icp-internal-standard-100-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_42bca529-fc2a-41a9-8d8b-1a754b9feec3.jpg?v=1776872852</image:loc>
      <image:title>*ICP Internal Standard, 100 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icp-internal-standard-100-ug-ml-in-2-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_2159374e-bfce-498a-aee1-a614e72de387.jpg?v=1776872857</image:loc>
      <image:title>*ICP Internal Standard, 100 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmetal-internal-standard-mix-10-ug-ml-in-5-10-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_97d36117-6765-40a4-9f96-bd06d7c820ff.jpg?v=1776872861</image:loc>
      <image:title>*Environmetal Internal Standard Mix, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmetal-internal-standard-mix-10-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a1ba1383-9255-4844-87e6-f441f908bfd1.jpg?v=1776872865</image:loc>
      <image:title>*Environmetal Internal Standard Mix, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/internal-standard-mix</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c26257fb-ab30-4cd9-9b03-8dfcb2771b7f.jpg?v=1776872870</image:loc>
      <image:title>*Internal Standard Mix, 100 µg/mL in 10% Nitric acid, tr Hydrochloric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/internal-standard-mix-100-ug-ml-in-10-nitric-acid-tr-hydrochloric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c2f6674e-f1bc-454a-a8b8-2ad460d0c530.jpg?v=1776872874</image:loc>
      <image:title>*Internal Standard Mix, 100 µg/mL in 10% Nitric acid, tr Hydrochloric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-1-10-ug-ml-in-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_1763545a-7f5d-4397-864d-2082ee1bad08.jpg?v=1776872879</image:loc>
      <image:title>*Multi-element Calibration Standard #1, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-1-10-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_14806cf8-b2d7-4c7c-bfa9-3a94740af7cb.jpg?v=1776872884</image:loc>
      <image:title>*Multi-element Calibration Standard #1, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-2a-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_44037a5c-ed0b-4947-9d08-a48b215c82dc.jpg?v=1776872888</image:loc>
      <image:title>*Multi-element Calibration Standard #2A, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-2a-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_51db2074-fb0b-4748-944e-f0ed88a3f2f6.jpg?v=1776872893</image:loc>
      <image:title>*Multi-element Calibration Standard #2A, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-3-10-ug-ml-in-10-hydrochloric-acid-1-nitric-acid-100ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_de9367d3-15f1-40d1-98a3-0ad090ff1f75.jpg?v=1776872899</image:loc>
      <image:title>*Multi-element Calibration Standard #3, 10 µg/mL in 10% Hydrochloric acid, 1% Nitric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-3-10-ug-ml-in-10-hydrochloric-acid-1-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_99223e4a-fd7f-4177-b4d2-48b9b71a84af.jpg?v=1776872903</image:loc>
      <image:title>*Multi-element Calibration Standard #3, 10 µg/mL in 10% Hydrochloric acid, 1% Nitric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-3-10-ug-ml-in-water-nitric-acid-hydrofluoric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_f42f811f-ec37-46b9-8562-26ec2da4902e.jpg?v=1776872907</image:loc>
      <image:title>*Multi-element Calibration Standard #4, 10 µg/mL in Water, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-3-10-ug-ml-in-water-nitric-acid-hydrofluoric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_f80f6da7-3eda-4203-8008-417501aa03ea.jpg?v=1776872912</image:loc>
      <image:title>*Multi-element Calibration Standard #4, 10 µg/mL in Water, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/qcstd-27-quality-control-standard-100-ug-ml-in-2-5-nitric-acid-tr-hydrofluoric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_41cd39d5-1743-4917-884e-897bc96306a1.jpg?v=1776872916</image:loc>
      <image:title>*QCSTD-27 Quality Control Standard, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/qcstd-27-quality-control-standard</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_4ae8ddae-0e38-455d-9683-f609d3960ffb.jpg?v=1776872920</image:loc>
      <image:title>*QCSTD-27 Quality Control Standard, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-spike-mix</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_86d5bae7-09e4-4905-97a3-49c7c24241ac.jpg?v=1776872924</image:loc>
      <image:title>*Environmental Spike Mix, Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-spike-mix-varied-conc-in-2-5-nitric-acid-tr-hydrofluoric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_6ad4dc7b-78ad-40b4-92cd-90894233e53d.jpg?v=1776872929</image:loc>
      <image:title>*Environmental Spike Mix, Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-1-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a8a74c69-873a-4d35-86aa-b4c5ff9e4920.jpg?v=1776872933</image:loc>
      <image:title>*7500 Series PA Tuning 1, Varied conc. in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-1-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_d976ebe3-ceb1-4d35-a46e-1134507135dc.jpg?v=1776872937</image:loc>
      <image:title>*7500 Series PA Tuning 1, Varied conc. in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-2-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_e6153641-8e4b-4a5d-9dca-e266ee45ef04.jpg?v=1776872941</image:loc>
      <image:title>*7500 Series PA Tuning 2, Varied conc. in 10% Hydrochloric acid, 1% Nitric acid, tr Hydrofluoric acid, 100 mL</image:title>
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    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*7500 Series PA Tuning 2, Varied conc. in 10% Hydrochloric acid, 1% Nitric acid, tr Hydrofluoric acid, 500 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-6-components-li-mg-y-ce-ti-co</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-10-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_9e7a0305-021e-4e0e-9ff0-3c748667cf6b.jpg?v=1776872954</image:loc>
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  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-5-components-li-y-ce-ti-co-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-5-components-li-y-ce-ti-co-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a981218d-35c5-4e4f-88e3-8a645ae7c124.jpg?v=1776872954</image:loc>
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  <url>
    <loc>https://chromspec.com/products/environmental-initial-calibration-verification-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_f3254375-5821-42fb-a1e4-9b2375f039ba.jpg?v=1776872958</image:loc>
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  <url>
    <loc>https://chromspec.com/products/environmental-initial-calibration-verification-5-nitric-acid-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a1972bf9-5359-4a7a-930e-5ebe51f0a983.jpg?v=1776872962</image:loc>
      <image:title>*Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 500 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/environmental-initial-calibration-verification-varied-conc-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_92bbe872-235b-47e5-a9ac-900ac8d38f88.jpg?v=1776872966</image:loc>
      <image:title>*Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 100 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/environmetal-initial-calibration-verification-varied-conc-in-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c2a21af9-4ac9-424b-9cc1-4effd7478816.jpg?v=1776872971</image:loc>
      <image:title>*Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 500 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/icp-oes-wavelength-calibration-solution-varied-conc-in-1-nitric-acid-ag-wavecal-asl-1-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a1b379fb-5a98-46a2-b8fb-9ad7a00f9ee4.jpg?v=1776872975</image:loc>
      <image:title>*ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/icp-oes-wavelength-calibration-solution-varied-conc-in-1-nitric-acid-ag-wavecal-asl-10x-1-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_066d64d8-d255-4fcf-9aa1-e516f33ebd4d.jpg?v=1776872979</image:loc>
      <image:title>*ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/icp-oes-wavelength-calibration-solution-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_16254c44-2b51-4503-9e6b-1084ca2a9e9b.jpg?v=1776872983</image:loc>
      <image:title>*ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icp-oes-wavelength-calibration-solution-1-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_553d6f59-ced6-4747-be23-e60e3912ca84.jpg?v=1776872988</image:loc>
      <image:title>*ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alaska-ak101aa-aromatics-mix-2000-ug-ml-in-methanol-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d02b4ead-df4c-4586-bd0b-46d813ffbd27.jpg?v=1761264900</image:loc>
      <image:title>*Alaska  AK101AA Aromatics mix, 2000 µg/mL in MeOH, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-chloro-4-fluorobenzene-2-0-mg-ml-in-methanol-ak-101-is-10x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67c89eb0-9319-4a3c-aea0-1ae5b5b395f5.jpg?v=1761264904</image:loc>
      <image:title>*1-Chloro-4-fluorobenzene, 2.0 mg/mL in MeOH, CAS # 352-33-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ak102-103aa-retention-time-standard-50-0-ug-ml-in-dichloromethane-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a3274408-1fa7-4e01-ba6d-f108001506ba.jpg?v=1761264908</image:loc>
      <image:title>*AK102/103AA  Retention Time Standard, 50.0 µg/mL in Dichloromethane, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ak102-103aa-surrogate-standard-1000-ug-ml-in-dichloromethane-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fdf4fec5-18a7-49c0-89ec-87298c3bcfa0.jpg?v=1761264912</image:loc>
      <image:title>*AK102/103AA Surrogate Standard, 1000 µg/mL in Dichloromethane, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-diesel-fuel-extra-low-sulfur-50-0-mg-ml-in-acetone-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1da5e096-c027-4721-a45a-2f9f26d8c18a.jpg?v=1761264917</image:loc>
      <image:title>*#2 Diesel Fuel (Extra Low Sulfur), 50.0 mg/mL in Acetone, CAS # 68476-34-6, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-diesel-fuel-50-0-mg-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_91b7c88c-4959-41a7-b756-beb526e5b48a.jpg?v=1761264920</image:loc>
      <image:title>*#2 Diesel Fuel, 50.0 mg/mL in Acetone, CAS # 68334-30-5, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dro-defining-mix-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4b4f7278-43ca-4a03-a5b3-327b2ce7d4b4.jpg?v=1761264924</image:loc>
      <image:title>*DRO Defining Mix, 2.0 mg/mL in Dichloromethane, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-terphenyl-2-0-mg-ml-in-acetone-dro-ak-102-ss-10x-pak-cas-84-15-1-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d5919f0e-ea15-4370-88e7-7021e5295dfc.jpg?v=1761264928</image:loc>
      <image:title>*o-Terphenyl, 2.0 mg/mL in Acetone, CAS # 84-15-1, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/amyl-cinnamal-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5cbb6187-92a9-4357-a832-e2d89556891f.jpg?v=1761264932</image:loc>
      <image:title>*Amyl cinnamal, Neat, CAS # 122-40-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/amyl-cinnamal-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58ffbde9-ba89-4d53-86e7-023e61ae9594.jpg?v=1761264753</image:loc>
      <image:title>*Amyl cinnamal, 1000 µg/mL in Acetonitrile, CAS # 122-40-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-neat-cas-100-51-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_edbcd270-6526-40ee-a736-445c2db6bba7.jpg?v=1761264757</image:loc>
      <image:title>*Benzyl alcohol, Neat, CAS # 100-51-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-1000-ug-ml-in-ethanol-cas-100-51-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7e63aafe-3761-41f9-8a2e-23c6601cff5a.jpg?v=1761264760</image:loc>
      <image:title>*Benzyl alcohol, 1000 µg/mL in Ethanol, CAS # 100-51-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamyl-alcohol-neat-cas-104-54-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c86744d4-ac77-4a5e-9e31-e8eeaf61736c.jpg?v=1761264764</image:loc>
      <image:title>*Cinnamyl alcohol, Neat, CAS # 104-54-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamyl-alcohol-1000-ug-ml-in-ethanol-cas-104-54-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cd3a7659-1508-4ae4-8c33-7b5597de08ec.jpg?v=1761264768</image:loc>
      <image:title>*Cinnamyl alcohol, 1000 µg/mL in Ethanol, CAS # 104-54-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/citral-neat-cas-5392-40-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c0e38aac-afa9-4486-ac22-9d958b1eaccf.jpg?v=1761264771</image:loc>
      <image:title>*Citral, Neat, CAS # 5392-40-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/citral-1000-ug-ml-in-acetonitrile-cas-5392-40-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0540a7c4-6df3-45fc-ad5a-24f3ceaf1f94.jpg?v=1761264775</image:loc>
      <image:title>*Citral, 1000 µg/mL in Acetonitrile, CAS # 5392-40-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/eugenol-neat-cas-97-53-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8207f824-9358-4db6-bca3-81901fa48248.jpg?v=1761264778</image:loc>
      <image:title>*Eugenol, Neat, CAS # 97-53-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/eugenol-1000-ug-ml-in-ethanol-cas-97-53-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_44ebdb74-575a-493f-8389-1e349ad507ba.jpg?v=1761264782</image:loc>
      <image:title>*Eugenol, 1000 µg/mL in Ethanol, CAS # 97-53-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroxy-citronellal-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1d2e7932-360a-4012-9b72-3089de9bdbd1.jpg?v=1761264786</image:loc>
      <image:title>*Hydroxy-citronellal, Neat, CAS # 107-75-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoeugenol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_244f0c95-607f-44e2-af69-420291291022.jpg?v=1761264790</image:loc>
      <image:title>*Isoeugenol, Neat, CAS # 97-54-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoeugenol-1000-ug-ml-in-ethanol-cas-97-54-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_98385332-9816-48f0-af65-88b2a7d302fb.jpg?v=1761264793</image:loc>
      <image:title>*Isoeugenol, 1000 µg/mL in Ethanol, CAS # 97-54-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/amylcinnamyl-alcohol-1000-ug-ml-in-ethanol-cas-101-85-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c88071a0-586f-46fb-a50c-4e0713a7bf4c.jpg?v=1761264797</image:loc>
      <image:title>*Amylcinnamyl alcohol, 1000 µg/mL in Ethanol, CAS # 101-85-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-salicylate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d2c54411-5ceb-44b7-9c03-5c04b26a8f44.jpg?v=1761264801</image:loc>
      <image:title>*Benzyl salicylate, Neat, CAS # 118-58-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-salicylate-1000-ug-ml-in-acetonitrile-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9aba3047-dfbf-44ad-a913-98765333b6d2.jpg?v=1761264805</image:loc>
      <image:title>***Benzyl salicylate, 1000 µg/mL in Acetonitrile, CAS # 118-58-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamal-neat-alr-010n-cas-104-55-2-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2153e11b-39ce-448e-a57a-8c7483c3b282.jpg?v=1761264808</image:loc>
      <image:title>*Cinnamal, Neat, CAS # 104-55-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamal-1000-ug-ml-in-acetonitrile-cas-104-55-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bb5a01ad-1b35-444c-bbbd-467b4a53f7fe.jpg?v=1761264812</image:loc>
      <image:title>*Cinnamal, 1000 µg/mL in Acetonitrile, CAS # 104-55-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coumarin-neat-cas-91-64-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d7d1af07-fc67-4a5d-a750-806836b20080.jpg?v=1761264816</image:loc>
      <image:title>*Coumarin, Neat, CAS # 91-64-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coumarin-1000-ug-ml-in-acetonitrile-cas-91-64-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0059bbd0-03ea-4d07-ae3a-39b5d0a228b4.jpg?v=1761264819</image:loc>
      <image:title>*Coumarin, 1000 µg/mL in Acetonitrile, CAS # 91-64-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/geraniol-neat-cas-106-24-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e04f90df-1d6c-47b2-9803-00707a37f43e.jpg?v=1761264823</image:loc>
      <image:title>*Geraniol, Neat, CAS # 106-24-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/geraniol-1000-ug-ml-in-ethanol-cas-106-24-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6da62de3-df40-4db9-8936-b808e6af5113.jpg?v=1761264827</image:loc>
      <image:title>*Geraniol, 1000 µg/mL in Ethanol, CAS # 106-24-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-hydroxy-4-methylpentyl-3-cyclohexene-1-carboxaldehyde-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0ad97f30-1f1f-468d-ab9b-b58713d8ed9d.jpg?v=1761288591</image:loc>
      <image:title>*Hydroxymethylpentylcyclohexenecarboxaldehyde (Mix of isomers), Neat, CAS # 31906-04-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroxymethylpentylcyclohexenecarboxaldehyde-1000-ug-ml-in-acetonitrile-cas-31906-04-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9df10bef-e3ea-4bfc-8ebb-4b51e5b0eb29.jpg?v=1761264832</image:loc>
      <image:title>*Hydroxymethylpentylcyclohexenecarboxaldehyde (Mix of isomers), 1000 µg/mL in Acetonitrile, CAS # 31906-04-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anisyl-alcohol-neat-cas-105-13-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3a3b3ba7-be81-4972-a505-2df764e5f5bf.jpg?v=1761264835</image:loc>
      <image:title>*Anisyl alcohol, Neat, CAS # 105-13-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anisyl-alcohol-1000-ug-ml-in-ethanol-cas-105-13-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bb5f3e79-1254-48fc-ac4c-77ee9eb033d8.jpg?v=1761264839</image:loc>
      <image:title>*Anisyl alcohol, 1000 µg/mL in Ethanol, CAS # 105-13-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cinnamate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a58f614-381e-4719-8338-da6960447e1a.jpg?v=1761264843</image:loc>
      <image:title>*Benzyl cinnamate, Neat, CAS # 103-41-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cinnamate-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d9336137-5393-4966-90ba-a434723211b9.jpg?v=1761264846</image:loc>
      <image:title>*Benzyl cinnamate, 1000 µg/mL in Ethanol, CAS # 103-41-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/farnesol-mixed-isomers-neat-cas-4602-84-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bfadb21e-83c7-49ee-8a38-419bd0790112.jpg?v=1761264850</image:loc>
      <image:title>*Farnesol (Mixed isomers), Neat, CAS # 4602-84-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/farnesol-mixed-isomers-1000-ug-ml-in-ethanol-cas-4602-84-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9ae05a5e-9eb6-4b34-928a-88e3558213d0.jpg?v=1761264853</image:loc>
      <image:title>*Farnesol (Mixed isomers), 1000 µg/mL in Ethanol, CAS # 4602-84-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-tert-butylbenzylpropionaldehyde-tech-1000-ug-ml-in-acetonitrile-cas-80-54-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c2ffd999-cd05-494c-8114-605d47f60b9a.jpg?v=1761264857</image:loc>
      <image:title>*2-(4-tert-Butylbenzyl)propionaldehyde (tech), 1000 µg/mL in Acetonitrile, CAS # 80-54-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/linalool-neat-cas-78-70-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1cacd13b-398f-4f26-bdca-1b4c7c6e2ce3.jpg?v=1761264861</image:loc>
      <image:title>*Linalool, Neat, CAS # 78-70-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/linalool-1000-ug-ml-in-ethanol-cas-78-70-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fbc24691-3741-415f-bf7f-4bc8c1d3cad4.jpg?v=1761264865</image:loc>
      <image:title>*Linalool, 1000 µg/mL in Ethanol, CAS # 78-70-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-benzoate-neat-cas-120-51-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fead567c-a227-4e11-b5f8-304023d48e9c.jpg?v=1761264868</image:loc>
      <image:title>Benzyl benzoate, Neat, CAS # 120-51-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-benzoate-1000-ug-ml-in-ethanol-cas-120-51-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f06892e-4994-458c-9ba8-45550a0f4e12.jpg?v=1761264872</image:loc>
      <image:title>*Benzyl benzoate, 1000 µg/mL in Ethanol, CAS # 120-51-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-citronellol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_70e53d3e-febf-4cb8-b52e-b242157e7621.jpg?v=1761264875</image:loc>
      <image:title>*b-Citronellol, Neat, CAS # 106-22-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-citronellol-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_85288972-7f62-4958-a932-1b256dfd7eeb.jpg?v=1761264879</image:loc>
      <image:title>*b-Citronellol, 1000 µg/mL in Ethanol, CAS # 106-22-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexyl-cinnamaldehyde-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5415543f-40df-4fec-8042-833809a00c30.jpg?v=1761264883</image:loc>
      <image:title>*Hexyl cinnamaldehyde, 1000 µg/mL in Ethanol, CAS # 101-86-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/d-limonene-neat-cas-5989-27-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a9aad100-90ce-4cdd-b52e-5fe0a094415c.jpg?v=1761264886</image:loc>
      <image:title>*d-Limonene, Neat, CAS # 5989-27-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/d-limonene-1000-ug-ml-in-ethanol-cas-5989-27-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bb408b7e-3ab9-4d55-ba03-8df9f9a00329.jpg?v=1761264890</image:loc>
      <image:title>*d-Limonene, 1000 µg/mL in Ethanol, CAS # 5989-27-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-heptyne-carbonate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d5c2dd47-b212-434b-8964-402706a72c5f.jpg?v=1761264893</image:loc>
      <image:title>*Methyl heptyne carbonate, Neat, CAS # 111-12-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-heptyne-carbonate-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_01b1928d-c6b3-4c2b-8377-a8eaece3d55c.jpg?v=1761264897</image:loc>
      <image:title>*Methyl heptyne carbonate, 1000 µg/mL in Ethanol, CAS # 111-12-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cetone-alpha-tech-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d9cfb24-0505-4960-a626-e74fd52ef35b.jpg?v=1761264900</image:loc>
      <image:title>*Cetone Alpha (tech), 1000 µg/mL in Acetonitrile, CAS # 127-51-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allylisothiocyanate-1000-ug-ml-in-etoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d974aea-c206-4521-ab9c-ee7b5fc76975.jpg?v=1761264904</image:loc>
      <image:title>***Allylisothiocyanate, 1000 µg/mL in EtOH, CAS # 57-06-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cyanide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e1681ec3-1474-415a-b994-a1939d3514de.jpg?v=1761264908</image:loc>
      <image:title>*Benzyl cyanide, Neat, CAS # 140-29-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cyanide-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_986704ed-01b9-4525-9fab-d3427063273e.jpg?v=1761264912</image:loc>
      <image:title>*Benzyl cyanide, 1000 µg/mL in EtOH, CAS # 140-29-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-tert-butylphenol-neat-cas-98-54-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8f75eac1-1a20-4d3d-a49f-be33cc73a424.jpg?v=1761264916</image:loc>
      <image:title>*p-tert-Butylphenol, Neat, CAS # 98-54-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-tert-butylphenol-1000-ug-ml-in-etoh-cas-98-54-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a4d4f0b6-4b61-4147-bfb3-06bfe9401dab.jpg?v=1761264919</image:loc>
      <image:title>*p-tert-Butylphenol, 1000 µg/mL in EtOH, CAS # 98-54-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-maleate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cfcbfea1-85e5-494e-b6a7-2c374f0dee03.jpg?v=1761264923</image:loc>
      <image:title>*Diethyl maleate, Neat, CAS # 141-05-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-maleate-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_76f7fda5-0e6f-47d7-b06f-4e8a608d2dd5.jpg?v=1761264926</image:loc>
      <image:title>*Diethyl maleate, 1000 µg/mL in EtOH, CAS # 141-05-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydrocoumarin-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7bce6ded-c032-4de4-8e5b-72c189213356.jpg?v=1761264930</image:loc>
      <image:title>*Dihydrocoumarin, Neat, CAS # 119-84-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydrocoumarin-1000-ug-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d8090877-163f-4fce-9403-c3895342a1db.jpg?v=1761264937</image:loc>
      <image:title>*Dihydrocoumarin, 1000 µg/mL in Acetone, CAS # 119-84-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-citraconate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_304814ce-42d1-4267-be82-af39950a60be.jpg?v=1761264940</image:loc>
      <image:title>*Dimethyl citraconate, Neat, CAS # 617-54-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-citraconate-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0629a644-82fe-4cfd-a9c2-0cad66db57b9.jpg?v=1761264944</image:loc>
      <image:title>*Dimethyl Citraconate, 1000 µg/mL in Ethanol, CAS # 617-54-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/6-10-dimethyl-3-5-9-undecatrien-2-one-pseudoionone-neat-cas-141-10-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c5475ee5-b168-4f00-8f55-9dd681c32edf.jpg?v=1761264947</image:loc>
      <image:title>*6,10-Dimethyl-3,5,9-undecatrien-2-one (Pseudoionone), Neat, CAS # 141-10-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pseudoionone-1000-ug-ml-in-acetone-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7fec7ac8-8761-4a4b-ad59-f0a936a722bc.jpg?v=1761264951</image:loc>
      <image:title>***Pseudoionone, 1000 µg/mL in Acetone, CAS # 141-10-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b4f82f1b-06f7-4556-a490-dd58534fda57.jpg?v=1761264954</image:loc>
      <image:title>*Diphenylamine, Neat, CAS # 122-39-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine-1000-ug-ml-in-etoh-cas-122-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_55dd4da1-35d8-4b69-9499-2280f8ba019b.jpg?v=1761264958</image:loc>
      <image:title>*Diphenylamine, 1000 µg/mL in Ethanol, CAS # 122-39-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-acrylate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_506be593-8085-4b10-80f9-56bcc7e7e841.jpg?v=1761264961</image:loc>
      <image:title>*Ethyl acrylate, Neat, CAS # 140-88-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-acrylate-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_05363e54-6492-421a-87a4-fb622b216d60.jpg?v=1761264965</image:loc>
      <image:title>*Ethyl acrylate, 1000 µg/mL in EtOH, CAS # 140-88-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-heptenal-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f11e44ba-fc63-47d7-888f-11a99f6cc269.jpg?v=1761264969</image:loc>
      <image:title>*trans-2-Heptenal, Neat, CAS # 18829-55-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-heptenal-1000-ug-ml-in-accn-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_72292a16-9837-4bab-a4ab-cad0a4bf5198.jpg?v=1761264973</image:loc>
      <image:title>***trans-2-Heptenal, 1000 µg/mL in Acetonitrile, CAS # 18829-55-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-diethyl-acetal-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d5a452d-5080-451b-a3cb-72c85698d649.jpg?v=1761264976</image:loc>
      <image:title>*trans-2-Hexenal diethyl acetal, Neat, CAS # 67746-30-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-diethyl-acetal-1000-ug-ml-in-acetonitrile-cas-67746-30-9-1-ml-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8480db85-b244-4389-b711-600918b19747.jpg?v=1761264980</image:loc>
      <image:title>*trans-2-Hexenal diethyl acetal, 1000 µg/mL in Acetonitrile, CAS # 67746-30-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-dimethyl-acetal-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fbda81d0-dea6-4a95-9cea-5b917170f1ca.jpg?v=1761264984</image:loc>
      <image:title>*trans-2-Hexenal dimethyl acetal, Neat, CAS # 18318-83-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-dimethyl-acetal-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d46e3d99-78c5-4613-83b4-cd5e1d53b3ff.jpg?v=1761264987</image:loc>
      <image:title>*trans-2-Hexenal dimethyl acetal, 1000 µg/mL in Methanol, CAS # 18318-83-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydroabietyl-alcohol-technical-mix-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b1d8d880-8a79-4c50-88d1-ee327b6f09b7.jpg?v=1761264991</image:loc>
      <image:title>*Dihydroabietyl alcohol (technical mix), Neat, CAS # 26266-77-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydroabietyl-alcohol-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5aa97d3c-d99b-4fc7-93d1-d1e25f97b9ba.jpg?v=1761264995</image:loc>
      <image:title>*Dihydroabietyl alcohol, 1000 µg/mL in Ethanol, CAS # 26266-77-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroquinone-monoethyl-ether-4-ethoxyphenol-neat-cas-622-62-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_78a3e463-cfe1-43cc-9346-c5ee7eaec160.jpg?v=1761264998</image:loc>
      <image:title>*Hydroquinone monoethyl ether (4-Ethoxyphenol), Neat, CAS # 622-62-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroquinone-monoethyl-ether-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c65623c4-1c92-4204-886b-d50e8f12c8ce.jpg?v=1761265002</image:loc>
      <image:title>*Hydroquinone Monoethyl Ether, 1000 µg/mL in Ethanol, CAS # 622-62-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methoxycoumarin-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_79aed99b-774d-453e-8f7b-3f313f8e7161.jpg?v=1761265006</image:loc>
      <image:title>*7-Methoxycoumarin, Neat,  CAS # 531-59-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methoxycoumarin-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1745dfb8-5e3c-4efe-9043-97c691da4e37.jpg?v=1761265010</image:loc>
      <image:title>*7-Methoxycoumarin, 1000 µg/mL in Acetonitrile, CAS # 531-59-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-p-methoxyphenyl-3-butene-2-one-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e30bf7c9-ff7b-4744-9f78-860fb34728b7.jpg?v=1761265014</image:loc>
      <image:title>*4-(p-Methoxyphenyl)-3-butene-2-one, 1000 µg/mL in Acetonitrile, CAS # 943-88-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-p-methoxyphenyl-1-penten-3-one-neat-cas-104-27-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_29083609-3031-4af6-a402-863c66e0a28a.jpg?v=1761265017</image:loc>
      <image:title>*1-(p-Methoxyphenyl)-1-penten-3-one, Neat, CAS # 104-27-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-p-methoxyphenyl-1-penten-3-one-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7756d4c6-c83b-4025-a150-2836bbcd7751.jpg?v=1761265020</image:loc>
      <image:title>*1-(p-Methoxyphenyl)-1-penten-3-one, 1000 µg/mL in Acetonitrile, CAS # 104-27-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-trans-2-butenoate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a71470e7-f81d-43a5-9199-25c4dcb998bf.jpg?v=1761265024</image:loc>
      <image:title>*Methyl trans-2-butenoate, Neat, CAS # 623-43-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-trans-2-butenoate-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e7e8cf72-acb7-40e1-89a3-de579c5371f4.jpg?v=1761265028</image:loc>
      <image:title>*Methyl trans-2-butenoate, 1000 µg/mL in Methanol, CAS # 623-43-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methylcoumarin-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5af67900-1c5e-4269-804e-b21ce659f812.jpg?v=1761265031</image:loc>
      <image:title>*7-Methylcoumarin, Neat,  CAS # 2445-83-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methylcoumarin-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a0eec064-b5c7-469e-be8c-503ae12bf91b.jpg?v=1761265035</image:loc>
      <image:title>*7-Methylcoumarin, 1000 µg/mL in Acetonitrile, CAS # 2445-83-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-methyl-2-3-hexanedione-acetyl-isovaleryl-neat-cas-13706-86-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30cded68-d009-42de-9378-298418a0f976.jpg?v=1761265039</image:loc>
      <image:title>*5-Methyl-2,3-hexanedione (Acetyl isovaleryl), Neat, CAS # 13706-86-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-methyl-2-3-hexanedione-acetyl-isovaleryl-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d5b8d37-cf86-4dcd-922d-f100271478bc.jpg?v=1761265042</image:loc>
      <image:title>*5-Methyl-2,3-hexanedione (Acetyl isovaleryl), 1000 µg/mL in Acetonitrile, CAS # 13706-86-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/musk-ambrette-solution-only-1000-ug-ml-in-acetonitrile-cas-83-66-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8dea370d-2301-4107-beec-a989a0bf14ce.jpg?v=1761265046</image:loc>
      <image:title>*Musk Ambrette, 1000 µg/mL in Acetonitrile, CAS # 83-66-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-phenyl-3-buten-2-one-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1aa2a316-7bcf-4bd7-bd35-73f77292e01a.jpg?v=1761265049</image:loc>
      <image:title>*4-Phenyl-3-buten-2-one, Neat, CAS # 122-57-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-phenyl-3-buten-2-one-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0f0c8f22-d8e7-4849-9744-aae81cb5df83.jpg?v=1761265053</image:loc>
      <image:title>*4-Phenyl-3-buten-2-one, 1000 µg/mL in Acetonitrile, CAS # 122-57-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/verbena-oil-lippia-citriodora-kunth-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_14f9f78c-f15a-45f4-a1fb-b688e056f720.jpg?v=1761265056</image:loc>
      <image:title>*Verbena oil (Lippia citriodora Kunth), Neat, CAS # 8024-12-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/verbena-oil-india-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_079e5563-9df7-4526-8449-f9946be5eb59.jpg?v=1761265060</image:loc>
      <image:title>*Verbena oil (India), 1000 µg/mL in Ethanol, CAS # 8024-12-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyleugenol-neat-cas-93-15-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_216ff667-3028-4e55-9381-32fb67b45781.jpg?v=1761265063</image:loc>
      <image:title>*Methyleugenol, Neat, CAS # 93-15-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyleugenol-1000-ug-ml-in-etoh-cas-93-15-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8b1b6794-1602-48d7-95e9-b8871511c7b3.jpg?v=1761265067</image:loc>
      <image:title>*Methyleugenol, 1000 µg/mL in EtOH, CAS # 93-15-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dioxane-neat-cas-123-91-1-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5bd96a37-28a2-42b7-9fb7-9683828a22fa.jpg?v=1761265070</image:loc>
      <image:title>*1,4-Dioxane, Neat, CAS # 123-91-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dioxane-100-ug-ml-in-methanol-cas-123-91-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_27fe5941-b61b-4048-92b9-4485e9e40cdd.jpg?v=1761265074</image:loc>
      <image:title>*1,4-Dioxane, 100 µg/mL in MeOH, CAS # 123-91-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-diaminophenol-dihydrochloride-neat-cas-137-09-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d52eb12b-05bf-4a1f-8d60-cf6ef59dc169.jpg?v=1761265077</image:loc>
      <image:title>*2,4-Diaminophenol dihydrochloride, Neat, CAS # 137-09-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-diaminophenol-dihydrochloride-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_53514cf9-011c-4c6b-86de-2e0ba1f8a1d0.jpg?v=1761265081</image:loc>
      <image:title>*2,4-Diaminophenol dihydrochloride, 100 µg/mL in MeOH, CAS # 137-09-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f1a3c55b-cc83-42f2-acd7-9daf86d1241c.jpg?v=1761265084</image:loc>
      <image:title>*2-Ethoxyethanol, Neat, CAS # 110-80-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c05daff7-f96d-4204-a19b-e9bfbec353bf.jpg?v=1761265088</image:loc>
      <image:title>*2-Ethoxyethanol, 100 µg/mL in MeOH, CAS # 110-80-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol-acetate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_46961f7a-0890-424d-9166-13bfc0131974.jpg?v=1761265091</image:loc>
      <image:title>*2-Ethoxyethanol acetate, Neat, CAS # 111-15-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol-acetate-100-ug-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1e8de620-893f-41d5-9ce9-c871537e04ba.jpg?v=1761265095</image:loc>
      <image:title>***2-Ethoxyethanol acetate, 100 µg/mL in MeOH, CAS # 111-15-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-acetylpyridine-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b777148b-4dd8-43b3-b317-96cb578e7af0.jpg?v=1761265098</image:loc>
      <image:title>*2-Acetylpyridine, Neat, CAS # 1122-62-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-acetylpyridine-100-ug-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_298f36ec-1ce3-4010-913d-9702b096db94.jpg?v=1761265101</image:loc>
      <image:title>***2-Acetylpyridine, 100 µg/mL in MeOH, CAS # 1122-62-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromo-2-nitropropane-1-3-diol-bronopol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_650b2e76-7444-4d7d-8f1f-ec043cbfcc7b.jpg?v=1761265105</image:loc>
      <image:title>*2-Bromo-2-nitropropane-1,3-diol (Bronopol), Neat, CAS # 52-51-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromo-2-nitropropane-1-3-diol-bronopol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d3c32879-a084-4afc-aed3-3ff7780d223d.jpg?v=1761265109</image:loc>
      <image:title>*2-Bromo-2-nitropropane-1,3-diol (Bronopol), 100 µg/mL in MeOH, CAS # 52-51-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloropyridine-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6cba5ec9-84c0-4321-9e87-bacb3fa578e5.jpg?v=1761265113</image:loc>
      <image:title>*2-Chloropyridine, Neat, CAS # 109-09-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloropyridine-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86006630-8ceb-4ffe-9ccb-9dff52a5ae2c.jpg?v=1761264939</image:loc>
      <image:title>*2-Chloropyridine, 100 µg/mL in Methanol, CAS # 109-09-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-hydroxybenzoic-acid-paraben-neat-cas-99-96-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6905c20a-21a6-428b-b357-ad9615f28413.jpg?v=1761264942</image:loc>
      <image:title>*4-Hydroxybenzoic acid (Paraben), Neat, CAS # 99-96-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-hydroxybenzoic-acid-paraben-100-ug-ml-in-acetonitrile-cas-99-96-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_57fcf54c-4367-46d9-b44c-49057b5756d5.jpg?v=1761264946</image:loc>
      <image:title>*4-Hydroxybenzoic acid (Paraben), 100 µg/mL in Acetonitrile, CAS # 99-96-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-diaminoanisole-100-ug-ml-in-acetonitrile-cas-615-05-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_18f451a9-fb60-4a56-a763-0e33f42dc907.jpg?v=1761264950</image:loc>
      <image:title>*2,4-Diaminoanisole, 100 µg/mL in Acetonitrile, CAS # 615-05-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methoxy-m-phenylenediamine-sulfate-hydrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8fe873f8-9233-463c-9b65-30237eb54922.jpg?v=1761264953</image:loc>
      <image:title>*4-Methoxy-m-phenylenediamine-sulfate hydrate, Neat, CAS # 123333-56-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-benzylidene-camphor-4-mbc-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b196999f-259d-43e0-948b-3b1fff2a289a.jpg?v=1761264957</image:loc>
      <image:title>*4-Methyl-benzylidene camphor, Neat, CAS # 36861-47-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-benzylidene-camphor-4-mbc-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_65dfd36f-a99d-475e-b9fb-8d3e52b9de5d.jpg?v=1761264960</image:loc>
      <image:title>*4-Methyl-benzylidene camphor (4-MBC), 100 µg/mL in MeOH, CAS # 36861-47-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-bromo-5-nitro-1-3-dioxane-bronidox-l-bnd-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_136f812b-d5d6-48b6-a779-70f01a0c59f4.jpg?v=1761264964</image:loc>
      <image:title>*5-Bromo-5-nitro-1,3-dioxane (Bronidox L) (BND), Neat, CAS # 30007-47-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/6-methylcoumarin-6-mc-neat-cas-92-48-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d2a4e303-d569-4ab1-aa21-ed6fcbfbb1a3.jpg?v=1761264967</image:loc>
      <image:title>*6-Methylcoumarin, Neat,  CAS # 92-48-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/6-methylcoumarin-6-mc-100-ug-ml-in-methanol-cas-92-48-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_09b09fbc-3f26-48ba-b13f-2c2d21786a84.jpg?v=1761264971</image:loc>
      <image:title>6-Methylcoumarin (6-MC), 100 µg/mL in Methanol, CAS # 92-48-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triton-n-101-polyethylene-glycol-nonaphenyl-ether-alkylphenol-ethoxylates-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec7680b8-312a-4aaa-ae35-cde0855c6176.jpg?v=1761264974</image:loc>
      <image:title>*Triton N-101 Polyethylene glycol nonaphenyl ether Alkylphenol ethoxylates:, Neat, CAS # 123359-41-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triton-n-101-polyethylene-glycol-nonaphenyl-ether-alkylphenol-ethoxylates-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_05951d31-d971-479e-b012-0efa0aef6ca7.jpg?v=1761264978</image:loc>
      <image:title>*Triton N-101 Polyethylene glycol nonaphenyl ether Alkylphenol ethoxylates:, 100 µg/mL in MeOH, CAS # 123359-41-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alkylphenol-ethoxylates-nonylphenol-ethylene-oxide-condensate-nonoxynol-9-neat-cas-26027-38-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f2f35e5-9d5e-4cd8-a96a-4e7aaae6329e.jpg?v=1761264981</image:loc>
      <image:title>Alkylphenol ethoxylates: Nonylphenol-ethylene oxide condensate (Tech Mix), Neat, CAS # 26027-38-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alkylphenol-ethoxylates-nonylphenol-ethylene-oxide-condensate-nonoxynol-9-100-ug-ml-in-methanol-cas-26027-38-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_771649b8-cf72-4aa4-908f-f555db527a9e.jpg?v=1761264985</image:loc>
      <image:title>Alkylphenol ethoxylates: Nonylphenol-ethylene oxide condensate (Tech Mix), 100 µg/mL in MeOH, CAS # 26027-38-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/balsam-of-peru-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_24a86bb2-cd0e-4f08-9111-bd0bffee2272.jpg?v=1761264988</image:loc>
      <image:title>*Balsam of Peru, Neat, CAS # 8007-00-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/balsam-of-peru-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a38c8c3-1a67-4b42-bd0b-cf005f163dd8.jpg?v=1761264992</image:loc>
      <image:title>*Balsam of Peru, 100 µg/mL in MeOH, CAS # 8007-00-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzophenone-3-bp-3-neat-cas-131-57-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4bb204b7-1110-433d-bfe2-5e082a0be41c.jpg?v=1761264996</image:loc>
      <image:title>*Benzophenone-3 (Bp-3), Neat, CAS # 131-57-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzophenone-3-bp-3-100-ug-ml-in-acetonitrile-cas-131-57-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0c02943a-65e8-4cef-a93b-7c2de47850f6.jpg?v=1761264999</image:loc>
      <image:title>*Benzophenone-3 (Bp-3), 100 µg/mL in Acetonitrile, CAS # 131-57-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-butyl-phthalate-neat-cas-85-68-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9dfd90cc-de42-4dbd-9619-a9916d740a51.jpg?v=1761265003</image:loc>
      <image:title>*Benzyl butyl phthalate, Neat, CAS # 85-68-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-butyl-phthalate-100-ug-ml-in-methanol-alr-082s-cas-85-68-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f72a7ecb-a7f1-4e67-997b-60ac0463329b.jpg?v=1761265006</image:loc>
      <image:title>*Benzyl butyl phthalate, 100 µg/mL in MeOH, CAS # 85-68-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-paraben-neat-cas-94-18-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d467c061-623d-4810-a499-0c606ebb8360.jpg?v=1761265010</image:loc>
      <image:title>Benzyl paraben, Neat, CAS # 94-18-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-paraben-100-ug-ml-in-methanol-cas-94-18-8-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_29cab8ac-e205-4a8f-9e7c-0dca19625dc7.jpg?v=1761265014</image:loc>
      <image:title>*Benzyl paraben, 100 µg/mL in MeOH, CAS # 94-18-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bithionol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a5a7a445-039c-479b-b0ea-7180f7b893b9.jpg?v=1761265018</image:loc>
      <image:title>*Bithionol, Neat, CAS # 97-18-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bithionol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d8a00977-3803-4e55-a3ee-a9756c308766.jpg?v=1761265022</image:loc>
      <image:title>*Bithionol, 100 µg/mL in MeOH, CAS # 97-18-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-paraben-neat-cas-94-26-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d964de64-9162-47fe-acf8-9042ca7bd8c9.jpg?v=1761265025</image:loc>
      <image:title>Butyl paraben, Neat, CAS # 94-26-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-paraben-100-ug-ml-in-methanol-cas-94-26-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_49e643b7-dc6f-4371-a06f-1f2d17034d0a.jpg?v=1761265029</image:loc>
      <image:title>*Butyl paraben, 100 µg/mL in MeOH, CAS # 94-26-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-methoxydibenzoylmethane-b-mdm-sunblock-parsol1789-100-ug-ml-in-methanol-cas-70356-09-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1383adc1-a829-4a83-908b-78ff33c73aee.jpg?v=1761265032</image:loc>
      <image:title>*Butyl-methoxydibenzoylmethane (B-MDM). Sunblock, Parsol1789, 100 µg/mL in MeOH, CAS # 70356-09-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylated-hydroxyanisole-bha-neat-cas-25013-16-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0bfd4466-1841-41d9-a787-4db41b6bd97c.jpg?v=1761265036</image:loc>
      <image:title>*Butylated hydroxyanisole (BHA), Neat, CAS # 25013-16-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylated-hydroxyanisole-bha-100-ug-ml-in-methanol-cas-25013-16-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c48c8ece-38c4-4391-83ed-d979b29496ce.jpg?v=1761265039</image:loc>
      <image:title>*Butylated hydroxyanisole (BHA), 100 µg/mL in Methanol, CAS # 25013-16-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylated-hydroxytoluene-bht-2-6-dbpc-neat-cas-128-37-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f32d09f3-6da1-49f6-9d77-41e0feaf43fd.jpg?v=1761265043</image:loc>
      <image:title>Butylated hydroxytoluene (BHT), Neat, CAS # 128-37-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylated-hydroxytoluene-bht-2-6-dbpc-100-ug-ml-in-methanol-cas-128-37-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_81552ce5-a339-4ec2-b342-611d1afe2241.jpg?v=1761265047</image:loc>
      <image:title>*Butylated hydroxytoluene (BHT), 100 µg/mL in MeOH, CAS # 128-37-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylene-glycol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4dee97b7-2570-4042-b8ef-3dce38b5fcae.jpg?v=1761265050</image:loc>
      <image:title>*Butylene glycol, Neat, CAS # 107-88-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylene-glycol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d29caa48-26a9-4f68-9eea-ed2c31ef15fd.jpg?v=1761265054</image:loc>
      <image:title>*Butylene glycol, 100 µg/mL in MeOH, CAS # 107-88-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroacetamide-neat-alr-090n-cas-79-07-2-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e058db8f-dde6-49d1-b611-5e08febe5e2a.jpg?v=1761265057</image:loc>
      <image:title>*Chloroacetamide, Neat, CAS # 79-07-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroacetamide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bf911858-32e5-48e9-95e6-94a813d931c7.jpg?v=1761265061</image:loc>
      <image:title>*Chloroacetamide, 100 µg/mL in Methanol, CAS # 79-07-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fc6c49c5-b59e-4cf3-a7c4-528fad79c3dc.jpg?v=1761265064</image:loc>
      <image:title>*Chloroform, Neat, CAS # 67-66-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-100-ug-ml-in-methanol-cas-67-66-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f25abc08-69be-42c4-b86f-d978c0e853a6.jpg?v=1761265068</image:loc>
      <image:title>*Chloroform, 100 µg/mL in MeOH, CAS # 67-66-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coal-tar-black-neat-cas-8007-45-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3e45d69-eb32-4e53-9167-f853295c7470.jpg?v=1761265071</image:loc>
      <image:title>Coal Tar (black), Neat, CAS # 8007-45-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coal-tar-black-100-ug-ml-in-toluene-cas-8007-45-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c07f3e3f-c938-4e67-8d7f-eaac106828d9.jpg?v=1761265075</image:loc>
      <image:title>*Coal Tar (black), 100 µg/mL in Toluene, CAS # 8007-45-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di2-ethyl-hexyl-phthalate-dehp-neat-cas-117-81-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f6514393-ceff-4131-8354-e393a2cf3c1e.jpg?v=1761265078</image:loc>
      <image:title>*bis(2-Ethylhexyl)phthalate (DEHP), Neat, CAS # 117-81-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di2-ethyl-hexyl-phthalate-dehp-100-ug-ml-in-methanol-cas-117-81-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ace11aa6-006f-4ac2-867e-a76d90d7d73e.jpg?v=1761265082</image:loc>
      <image:title>*bis(2-Ethylhexyl)phthalate, 100 µg/mL in Methanol, CAS # 117-81-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diamyl-phthalate-neat-cas-131-18-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fdf0dd97-6abb-4f09-9fae-913b34cdfb6f.jpg?v=1761265086</image:loc>
      <image:title>*Diamyl phthalate, Neat, CAS # 131-18-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diamyl-phthalate-100-ug-ml-in-methanol-cas-131-18-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c529b98e-3662-42a3-b948-f415d2590776.jpg?v=1761265089</image:loc>
      <image:title>*Diamyl phthalate, 100 µg/mL in MeOH, CAS # 131-18-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicyclohexyl-phthalate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_32c37b62-2bc1-4378-b7d7-6a6aded11ba4.jpg?v=1761265093</image:loc>
      <image:title>*Dicyclohexyl phthalate, Neat, CAS # 84-61-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicyclohexyl-phthalate-100-ug-ml-in-methanol-cas-84-61-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_db4edd2d-2b94-4b1d-932c-8a67888273ed.jpg?v=1761265097</image:loc>
      <image:title>*Dicyclohexyl Phthalate, 100 µg/mL in MeOH, CAS # 84-61-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihexyl-phthalate-neat-cas-84-75-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e7c05042-2093-4dac-a46d-88f809d5eb7f.jpg?v=1761265100</image:loc>
      <image:title>*Dihexyl phthalate, Neat, CAS # 84-75-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihexyl-phthalate-100-ug-ml-in-methanol-cas-84-75-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fad2f01e-6f8f-4f8f-86b4-89f2d6bbc107.jpg?v=1761265104</image:loc>
      <image:title>*Dihexyl phthalate, 100 µg/mL in MeOH, CAS # 84-75-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-iso-decyl-phthalate-neat-cas-26761-40-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b4b78e55-4926-4ec7-b061-cf11b17ca543.jpg?v=1761265107</image:loc>
      <image:title>*Diisodecyl phthalate (Tech Mix), Neat, CAS # 26761-40-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisodecyl-phthalate-100-ug-ml-in-methanol-cas-26761-40-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8ce9db5e-53df-46d6-844b-0fdffb71b8e5.jpg?v=1761265111</image:loc>
      <image:title>*Diisodecyl phthalate (Tech Mix), 100 µg/mL in MeOH, CAS # 26761-40-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisononyl-phthalate-neat-cas-68515-48-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e73f8c7-3d46-4d16-b7d6-5ba56fb0e843.jpg?v=1761265115</image:loc>
      <image:title>Diisononyl phthalate (Tech Mix), Neat, CAS # 28553-12-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisononyl-phthalate-dinp-tech-mix-100-ug-ml-in-methanol-cas-28553-12-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_195398ce-76d8-47b3-8afe-99ee63d33de0.jpg?v=1761265119</image:loc>
      <image:title>*Diisononyl phthalate (Tech Mix), 100 µg/mL in MeOH, CAS # 28553-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisooctyl-phthalate-neat-cas-27554-26-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ca0f883e-8d96-4376-806c-b411e5f63a57.jpg?v=1761265122</image:loc>
      <image:title>Diisooctyl phthalate (Tech Mix), Neat, CAS # 27554-26-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisooctyl-phthalate-100-ug-ml-in-methanol-cas-27554-26-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_14245c7f-a7cd-402a-ba86-5ca5882d11d0.jpg?v=1761265126</image:loc>
      <image:title>*Diisooctyl phthalate (Tech Mix), 100 µg/mL in Methanol, CAS # 27554-26-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-dbp-neat-cas-84-74-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e83cda50-ae3f-4c10-816e-8f56265735ac.jpg?v=1761265130</image:loc>
      <image:title>Di-n-butyl phthalate (DBP), Neat, CAS # 84-74-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-dbp-100-ug-ml-in-methanol-cas-84-74-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_14bd92f8-a29c-4c6a-a02b-1d466a5a80a0.jpg?v=1761265133</image:loc>
      <image:title>*Di-n-butyl phthalate (DBP), 100 µg/mL in MeOH, CAS # 84-74-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-octyl-phthalate-neat-cas-117-84-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f65ba465-9f5d-43ba-a5f6-65e84bb804ae.jpg?v=1761265137</image:loc>
      <image:title>*Di-n-octyl phthalate, Neat, CAS # 117-84-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-octyl-phthalate-dnop-100-ug-ml-in-methanol-alr-105s-cas-117-84-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2161fde9-ff44-477a-880c-4a116ba9d911.jpg?v=1761265140</image:loc>
      <image:title>*Di-n-octyl phthalate, 100 µg/mL in MeOH, CAS # 117-84-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazolidinyl-urea-neat-alr-106n-cas-78491-02-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_614c73ae-8637-4446-b9b6-7233f93e4a4e.jpg?v=1761265144</image:loc>
      <image:title>*Diazolidinyl urea, Neat, CAS # 78491-02-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazolidinyl-urea-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c9bb1ed8-9cde-4982-9831-51f7f5ea3e64.jpg?v=1761265147</image:loc>
      <image:title>*Diazolidinyl urea, 100 µg/mL in Methanol, CAS # 78491-02-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromsalon-halogenated-salicylanilides-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a0e2fc3-cfdf-49dc-a05a-d0615464624a.jpg?v=1761265151</image:loc>
      <image:title>*Dibromsalon (Halogenated salicylanilides), Neat, CAS # 87-12-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromsalon-halogenated-salicylanilides-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_193e0943-b79b-452e-b96f-b165421eed8b.jpg?v=1761265154</image:loc>
      <image:title>*Dibromsalon (Halogenated salicylanilides), 100 µg/mL in Methanol, CAS # 87-12-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethanolamine-dea-neat-cas-111-42-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_423eaa85-244b-433b-a06d-d2eed04ab970.jpg?v=1761265158</image:loc>
      <image:title>*Diethanolamine (DEA), Neat, CAS # 111-42-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethanolamine-dea-100-ug-ml-in-methanol-cas-111-42-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3b38fd45-4442-4bbf-adc8-b0287162bda8.jpg?v=1761265162</image:loc>
      <image:title>*Diethanolamine (DEA), 100 µg/mL in MeOH, CAS # 111-42-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-neat-cas-84-66-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_36aa96e6-68c2-4b2a-8afe-de471348af55.jpg?v=1761265165</image:loc>
      <image:title>*Diethyl phthalate, Neat, CAS # 84-66-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-100-ug-ml-in-methanol-alr-110s-cas-84-66-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8ae093e2-9d92-4761-b2b3-40e1e9d39f9e.jpg?v=1761265169</image:loc>
      <image:title>*Diethyl phthalate, 100 µg/mL in Methanol, CAS # 84-66-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-dmp-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a518b49-960f-451d-9b89-9e6450200be4.jpg?v=1761265173</image:loc>
      <image:title>*Dimethyl phthalate (DMP), Neat, CAS # 131-11-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-dmp-100-ug-ml-in-methanol-cas-131-11-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_790c2804-e6da-47c0-b789-4bf043c1af5e.jpg?v=1761265176</image:loc>
      <image:title>*Dimethyl phthalate (DMP), 100 µg/mL in MeOH, CAS # 131-11-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-paraben-neat-cas-120-47-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_41930e24-c055-4b32-b51d-a48b8a3749cd.jpg?v=1761265180</image:loc>
      <image:title>Ethyl paraben, Neat, CAS # 120-47-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-paraben-100-ug-ml-in-methanol-cas-120-47-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_31d1d93a-6372-4ca4-8933-430f9899130e.jpg?v=1761265183</image:loc>
      <image:title>*Ethyl paraben, 100 µg/mL in MeOH, CAS # 120-47-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylene-diamine-dihydrochloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6611c823-4b6a-4c52-a42b-55b7931cc369.jpg?v=1761265187</image:loc>
      <image:title>*Ethylene diamine dihydrochloride, Neat, CAS # 333-18-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylene-diamine-dihydrochloride-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a5614ab0-d68e-4669-ab0d-2a5c118c0e07.jpg?v=1761265191</image:loc>
      <image:title>*Ethylene diamine dihydrochloride, 100 µg/mL in MeOH, CAS # 333-18-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/formaldehyde-100-ug-ml-in-water-cas-50-00-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_84853f14-36d3-40f1-9e86-8eed3cb04cec.jpg?v=1761265194</image:loc>
      <image:title>Formaldehyde, 100 µg/mL in Water, CAS # 50-00-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/heptyl-paraben-neat-cas-1085-12-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2f7c9682-4576-4ee3-918b-45ce95bfda88.jpg?v=1761265198</image:loc>
      <image:title>Heptyl paraben, Neat, CAS # 1085-12-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/heptyl-paraben-100-ug-ml-in-methanol-cas-1085-12-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fb34ddd4-d582-48d2-bb5b-dead362ecf0a.jpg?v=1761265202</image:loc>
      <image:title>*Heptyl paraben, 100 µg/mL in MeOH, CAS # 1085-12-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-hcp-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_433c590a-c94b-487f-b613-e88546dab715.jpg?v=1761265205</image:loc>
      <image:title>*Hexachlorophene (HCP), Neat, CAS # 70-30-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-hcp-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a377d5b7-5b0e-436a-bf76-b59920c6d7bc.jpg?v=1761265209</image:loc>
      <image:title>*Hexachlorophene (HCP), 100 µg/mL in MeOH, CAS # 70-30-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-hcp-100-ug-ml-in-methanol-cas-118-56-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e328a349-eb12-4991-932c-989887a3f740.jpg?v=1761265213</image:loc>
      <image:title>*Homosalate (HMS), 100 µg/mL in Acetonitrile, CAS # 118-56-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imidazolidinyl-urea-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6bf2553b-4d7c-4d8b-aa45-5302ff5a6727.jpg?v=1761265217</image:loc>
      <image:title>*Imidazolidinyl urea, Neat, CAS # 39236-46-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imidazolidinyl-urea-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_74746380-3370-4d12-a838-3a407fd0e93c.jpg?v=1761265220</image:loc>
      <image:title>*Imidazolidinyl urea, 100 µg/mL in MeOH, CAS # 39236-46-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-paraben-neat-cas-857259</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_227cdc6e-fb7f-46c6-aab3-35ac14e04247.jpg?v=1761265224</image:loc>
      <image:title>*Isobutyl paraben, Neat, CAS # 4247-02-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-paraben-100-ug-ml-in-methanol-cas-4247-02-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_182b20e0-5c7b-4a60-a05b-54f1afdcb793.jpg?v=1761265228</image:loc>
      <image:title>*Isobutyl paraben, 100 µg/mL in MeOH, CAS # 4247-02-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isopropyl-paraben-neat-cas-4191-73-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_acd51157-e6c2-43e1-bc3c-376f53a2b012.jpg?v=1761265232</image:loc>
      <image:title>Isopropyl paraben, Neat, CAS # 4191-73-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isopropyl-paraben-100-ug-ml-in-methanol-cas-4191-73-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9eaa3335-3328-4a7f-99f6-3a42431e5e38.jpg?v=1761265235</image:loc>
      <image:title>*Isopropyl paraben, 100 µg/mL in MeOH, CAS # 4191-73-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lanolin-anhydrous-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2e059cb7-4c31-480c-b389-ce14c3eddd92.jpg?v=1761265239</image:loc>
      <image:title>*Lanolin, anhydrous, Neat, CAS # 8006-54-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lanolin-anhydrous-100-ug-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3c77ae90-198a-40cb-ada5-db80b8da6642.jpg?v=1761265243</image:loc>
      <image:title>*Lanolin, anhydrous, 100 µg/mL in Acetone, CAS # 8006-54-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/meta-phenylenediamine-mpd-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_268d8f6b-6371-4275-a108-0a9034cb16eb.jpg?v=1761265246</image:loc>
      <image:title>*meta-Phenylenediamine (MPD), Neat, CAS # 108-45-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/metabromsalon-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4b76bbce-6992-47c2-b1b4-7f63ab24c0ca.jpg?v=1761265250</image:loc>
      <image:title>*Metabromsalon, Neat, CAS # 2577-72-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/metabromsalon-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_532b1be5-03e5-478e-93cb-d58a6ac2517c.jpg?v=1761265253</image:loc>
      <image:title>*Metabromsalon, 100 µg/mL in MeOH, CAS # 2577-72-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-monomer-neat-cas-80-62-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_05207c74-f965-47be-a182-95888170361e.jpg?v=1761265257</image:loc>
      <image:title>*Methyl methacrylate monomer, Neat, CAS # 80-62-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-monomer-100-ug-ml-in-methanol-cas-80-62-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c11180b1-2109-42a3-9b96-b6f2c15dbe71.jpg?v=1761265260</image:loc>
      <image:title>*Methyl methacrylate monomer, 100 µg/mL in MeOH, CAS # 80-62-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-paraben-neat-cas-99-76-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ccf4d266-d44c-402a-9584-38491b9011c7.jpg?v=1761265264</image:loc>
      <image:title>Methyl paraben, Neat, CAS # 99-76-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-paraben-100-ug-ml-in-methanol-cas-99-76-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9baced0a-4005-428c-9bd1-7243aae7e061.jpg?v=1761265267</image:loc>
      <image:title>*Methyl paraben, 100 µg/mL in MeOH, CAS # 99-76-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylchloroisothiazolinone-100-ug-ml-in-water-cas-26172-55-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cda0c237-3e01-4961-86ae-e2a53d88e64b.jpg?v=1761265271</image:loc>
      <image:title>*Methylchloroisothiazolinone, 100 µg/mL in Water, CAS # 26172-55-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyldibromoglutaronitrile-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_149a72c0-6097-426f-a12e-ac5fe3dced5b.jpg?v=1761265275</image:loc>
      <image:title>*Methyldibromoglutaronitrile, Neat, CAS # 35691-65-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyldibromoglutaronitrile-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ffb78d7-6f45-469b-bbad-ec501e7fbc54.jpg?v=1761265279</image:loc>
      <image:title>*Methyldibromoglutaronitrile, 100 µg/mL in Acetonitrile, CAS # 35691-65-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-chloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e64f9ed7-f58c-4b76-8319-8da3fd96436a.jpg?v=1761265282</image:loc>
      <image:title>*Methylene chloride, Neat, CAS # 75-09-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-chloride-100-ug-ml-in-methanol-cas-75-09-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_98523e16-a8ae-4b3e-8f08-c0b563702854.jpg?v=1761265286</image:loc>
      <image:title>*Methylene Chloride, 100 µg/mL in MeOH, CAS # 75-09-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monobenzyl-phthalate-mbzp-neat-cas-2528-16-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_50c38ceb-a84a-417c-9aad-255834cab676.jpg?v=1761265290</image:loc>
      <image:title>Monobenzyl phthalate (mBzP), Neat, CAS # 2528-16-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monobenzyl-phthalate-mbzp-100-ug-ml-in-acetonitrile-cas-2528-16-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e19b752a-c3ee-4b45-8022-412c401352fb.jpg?v=1761265294</image:loc>
      <image:title>*Monobenzyl phthalate (mBzP), 100 µg/mL in Acetonitrile, CAS # 2528-16-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monobutyl-phthalate-mbp-neat-cas-131-70-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a547e1cc-e999-491d-9123-2d28226f3f6a.jpg?v=1761265297</image:loc>
      <image:title>Monobutyl phthalate (mBP), Neat, CAS # 131-70-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monobutyl-phthalate-mbp-100-ug-ml-in-acetonitrile-cas-131-70-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_de04eb95-a1cb-4965-a341-7a7bce78a05f.jpg?v=1761265121</image:loc>
      <image:title>*Monobutyl phthalate (mBP), 100 µg/mL in Acetonitrile, CAS # 131-70-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethanolamine-mea-2-aminoethanol-neat-cas-141-43-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_308f317f-284e-41e1-b120-b2056a0d8a7f.jpg?v=1761265125</image:loc>
      <image:title>*Monoethanolamine (MEA) (2-Aminoethanol), Neat, CAS # 141-43-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethanolamine-mea-2-aminoethanol-100-ug-ml-in-methanol-cas-141-43-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4c4069c4-2c01-4c91-9225-7ff4f2805bc5.jpg?v=1761265129</image:loc>
      <image:title>*Monoethanolamine (MEA) (2-Aminoethanol), 100 µg/mL in MeOH, CAS # 141-43-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethyl-phthalate-mep-neat-cas-2306-33-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b6752e59-9760-4d21-bb84-eb4363dfb8d5.jpg?v=1761265132</image:loc>
      <image:title>Monoethyl phthalate (mEP), Neat, CAS # 2306-33-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethyl-phthalate-mep-100-ug-ml-in-acetonitrile-cas-2306-33-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1e1a8d66-a62d-4f3b-a8dd-a8f2349bdc1e.jpg?v=1761265135</image:loc>
      <image:title>*Monoethyl phthalate (mEP), 100 µg/mL in Acetonitrile, CAS # 2306-33-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethylhexyl-phthalate-mehp-neat-cas-4376-20-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7597af01-e7e7-46ec-9504-5417fb01cd74.jpg?v=1761265139</image:loc>
      <image:title>Monoethylhexyl phthalate (mEHP), Neat, CAS # 4376-20-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethylhexyl-phthalate-mehp-100-ug-ml-in-acetonitrile-cas-4376-20-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_885b9aed-284e-4429-8bde-a0219fe4c650.jpg?v=1761265143</image:loc>
      <image:title>*Monoethylhexyl phthalate (mEHP), 100 µg/mL in Acetonitrile, CAS # 4376-20-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monomethyl-phthalate-neat-cas-4376-18-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_283636ca-bf37-416b-b840-09a990dbdfa2.jpg?v=1761265146</image:loc>
      <image:title>Monomethyl phthalate, Neat, CAS # 4376-18-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monomethyl-phthalate-100-ug-ml-in-acetonitrile-cas-4376-18-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4708a6b5-c384-40c1-b25a-18e57ebdcabe.jpg?v=1761265150</image:loc>
      <image:title>*Monomethyl phthalate, 100 µg/mL in Acetonitrile, CAS # 4376-18-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-phenyl-p-phenylenediamine-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c6cf0cae-55ea-4af2-8001-6d8aac026ab7.jpg?v=1761265153</image:loc>
      <image:title>*N-Phenyl-p-phenylenediamine, Neat, CAS # 101-54-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monooctyl-phthalate-neat-cas-5393-19-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1977fbbc-ea11-413a-8b9c-76aaae00891b.jpg?v=1761265160</image:loc>
      <image:title>*Monooctyl phthalate, Neat, CAS # 5393-19-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monooctyl-phthalate-100-ug-ml-in-acetonitrile-cas-5393-19-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f64a896c-49c5-4168-b7e6-18bb125c75be.jpg?v=1761265164</image:loc>
      <image:title>*Monooctyl phthalate, 100 µg/mL in Acetonitrile, CAS # 5393-19-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-2-heptyl-phthalate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_40ea41b9-8177-4c87-bebf-a4af7fa82346.jpg?v=1761265167</image:loc>
      <image:title>*Mono-2-heptyl phthalate, Neat, CAS # 129171-03-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-2-heptyl-phthalate-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1321e368-319e-4f48-badf-357c478625a3.jpg?v=1761265171</image:loc>
      <image:title>*Mono-2-heptyl phthalate, 100 µg/mL in Acetonitrile, CAS # 129171-03-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-methoxycinnamate-omc-neat-cas-5466-77-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f00be6c4-75fd-4fbb-828c-ca04f868c1be.jpg?v=1761265175</image:loc>
      <image:title>*Octyl-methoxycinnamate (OMC), Neat, CAS # 5466-77-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-methoxycinnamate-omc-100-ug-ml-in-methanol-cas-5466-77-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f5700f24-0d00-4c61-8629-28e203ad439d.jpg?v=1761265178</image:loc>
      <image:title>*Octyl-methoxycinnamate (OMC), 100 µg/mL in MeOH, CAS # 5466-77-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-hydroxyanisole-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0ba18089-b542-44eb-aed1-94a3a1ea7d8b.jpg?v=1761265182</image:loc>
      <image:title>*p-Hydroxyanisole, Neat, CAS # 150-76-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-hydroxyanisole-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_09a5c718-c67c-418c-bcc0-48130516cc67.jpg?v=1761265185</image:loc>
      <image:title>*p-Hydroxyanisole, 100 µg/mL in MeOH, CAS # 150-76-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-dimethyl-paba-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_680660fc-26a3-4787-b2aa-ec3fc73ef748.jpg?v=1761265189</image:loc>
      <image:title>*Octyl-dimethyl-PABA, Neat, CAS # 21245-02-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-dimethyl-paba-od-pabapadimate-o-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_428074e7-6799-43f0-99eb-e8213ba656fa.jpg?v=1761265192</image:loc>
      <image:title>*Octyl-dimethyl-PABA (OD-PABA)(Padimate O), 100 µg/mL in MeOH, CAS # 21245-02-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/para-phenylenediamine-ppd-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_02846fea-1a23-4dae-87f4-706b18a0c400.jpg?v=1761265196</image:loc>
      <image:title>*para-Phenylenediamine (PPD), Neat, CAS # 106-50-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-phenylenediamine-ppd-100-ug-ml-in-methanol-cas-106-50-3-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_81e66968-38b1-48fe-b8a5-3d047d70a945.jpg?v=1761265200</image:loc>
      <image:title>*p-Phenylenediamine (PPD), 100 µg/mL in MeOH, CAS # 106-50-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-1500-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e9a77842-60b3-4e1b-9d74-c703f1756e43.jpg?v=1761265203</image:loc>
      <image:title>*Polyethylene glycol (PEG), appr. Molecular weight 1500, Neat, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-200-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_279e91ad-920b-4eaa-b12b-7b9461e2fd18.jpg?v=1761265207</image:loc>
      <image:title>*Polyethylene glycol (PEG), appr. Molecular weight 200, Neat, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-400-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3804f622-4f9c-4975-9a42-f343f30c856a.jpg?v=1761265210</image:loc>
      <image:title>*Polyethylene glycol (PEG), appr. Molecular weight 400, Neat, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-4000-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3cc81f28-a1fc-4ce0-a567-4fe56918c9ec.jpg?v=1761265214</image:loc>
      <image:title>*Polyethylene glycol (PEG), appr. Molecular weight 4000, Neat, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-600-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_97b9e197-5583-47e6-b227-6f2d90a1882d.jpg?v=1761265217</image:loc>
      <image:title>*Polyethylene glycol (PEG), appr. Molecular weight 600, Neat, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyvinylpyrolidone-neat-cas-9003-39-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e8ddbe05-3b28-41f3-a31b-1ea635a2e872.jpg?v=1761265221</image:loc>
      <image:title>*Polyvinylpyrolidone, Neat, CAS # 9003-39-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate-neat-alr-152n-cas-24634-61-5-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67869c8a-f046-4215-869d-8112bdd409da.jpg?v=1761265224</image:loc>
      <image:title>*Potassium sorbate, Neat, CAS # 24634-61-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6edec2f7-8cbd-490a-8451-436cd31a795a.jpg?v=1761265228</image:loc>
      <image:title>*Potassium sorbate, 100 µg/mL in MeOH, CAS # 24634-61-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propyl-paraben-neat-cas-94-13-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fe8ed079-fba2-4c4b-88e3-3bca644ef378.jpg?v=1761265232</image:loc>
      <image:title>Propyl paraben, Neat, CAS # 94-13-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propyl-paraben-100-ug-ml-in-methanol-cas-94-13-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e00d4ba3-b7db-4c66-905a-ffb8ce7f4992.jpg?v=1761265236</image:loc>
      <image:title>*Propyl paraben, 100 µg/mL in MeOH, CAS # 94-13-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propylene-glycol-pg-100-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_32969e86-6e9f-4b7e-8840-0c882ba1fb2d.jpg?v=1761265240</image:loc>
      <image:title>*Propylene glycol (PG), 100 µg/mL in Methanol, CAS # 57-55-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/protocatechuic-acid-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_00640af5-dbd4-4fce-8944-23c9099007c5.jpg?v=1761265244</image:loc>
      <image:title>*Protocatechuic acid, Neat, CAS # 99-50-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/protocatechuic-acid-100-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_463b2ba1-2ea1-4b81-ac6c-73e2a080a3cd.jpg?v=1761265248</image:loc>
      <image:title>*Protocatechuic acid, 100 µg/mL in Acetonitrile, CAS # 99-50-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrocatechol-neat-cas-120-80-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b67d7a4f-219e-47a5-9cd5-f282eb450651.jpg?v=1761265251</image:loc>
      <image:title>*Pyrocatechol, Neat, CAS # 120-80-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrocatechol-100-ug-ml-in-methanol-cas-120-80-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8faa04b5-92c8-40cd-8038-b587df65dfdd.jpg?v=1761265255</image:loc>
      <image:title>*Pyrocatechol, 100 µg/mL in MeOH, CAS # 120-80-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/quaternium-15-neat-alr-157n-cas-51229-78-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e721d87e-b5bc-40f5-9674-1066728c2430.jpg?v=1761265259</image:loc>
      <image:title>*Quaternium-15, Neat, CAS # 51229-78-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/quaternium-15-100-ug-ml-in-methanol-cas-51229-78-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_70ca7bb3-b7e3-45c3-897a-3b6c0b9ceddf.jpg?v=1761265263</image:loc>
      <image:title>*Quaternium-15, 100 µg/mL in MeOH, CAS # 51229-78-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resorcinol-neat-cas-108-46-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6e0a3938-3bf5-476f-823e-b2570be64f2c.jpg?v=1761265267</image:loc>
      <image:title>*Resorcinol, Neat, CAS # 108-46-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resorcinol-100-ug-ml-in-methanol-cas-108-46-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_897bd7c9-0da2-4771-b0e9-f6484963c6b4.jpg?v=1761265270</image:loc>
      <image:title>*Resorcinol, 100 µg/mL in MeOH, CAS # 108-46-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-hydroxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e00ce1eb-dcb0-4a83-b507-62d7c616da7b.jpg?v=1761265273</image:loc>
      <image:title>*Sodium hydroxide, Neat, CAS # 1310-73-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-hydroxide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_774e9032-f7c5-4654-aba0-0706ab6dfdfc.jpg?v=1761265277</image:loc>
      <image:title>*Sodium hydroxide, 100 µg/mL in MeOH, CAS # 1310-73-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrite-neat-cas-7632-00-0-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_10617262-8f58-4efc-a86d-29744811619d.jpg?v=1761265281</image:loc>
      <image:title>Sodium nitrite, Neat, CAS # 7632-00-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrite-100-ug-ml-in-water-cas-7632-00-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7f7b30bd-3ce5-485b-b10b-3f10ef59c400.jpg?v=1761265285</image:loc>
      <image:title>*Sodium nitrite, 100 µg/mL in Water, CAS # 7632-00-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/talc-neat-cas-14807-96-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86e790e7-9b7e-4d21-8721-10505f084280.jpg?v=1761265288</image:loc>
      <image:title>Talc, Neat, CAS # 14807-96-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachlorosalicylanilide-neat-cas-1154-59-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9980feae-7ee3-4c95-914a-d3ad4f5a6e28.jpg?v=1761265292</image:loc>
      <image:title>Tetrachlorosalicylanilide, Neat, CAS # 1154-59-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachlorosalicylanilide-100-ug-ml-in-methanol-cas-1154-59-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c58b911b-2770-4da0-9738-427b1f28edd1.jpg?v=1761265296</image:loc>
      <image:title>*Tetrachlorosalicylanilide, 100 µg/mL in MeOH, CAS # 1154-59-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thimerosal-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_06754e13-7c8c-437e-9aaa-0171c9487765.jpg?v=1761265299</image:loc>
      <image:title>*Thimerosal, Neat,  CAS # 54-64-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thimerosal-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6fcc87bb-5558-48a3-84fa-f71c9cd21b13.jpg?v=1761265304</image:loc>
      <image:title>*Thimerosal, 100 µg/mL in MeOH, CAS # 54-64-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiuram-thiram-tetramethylthiouram-disulfide-neat-cas-137-26-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_17aed515-82dd-4877-ba5a-9c7f4d74fefb.jpg?v=1761265307</image:loc>
      <image:title>Thiuram (Thiram) (Tetramethylthiouram disulfide), Neat, CAS # 137-26-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiuram-thiram-tetramethylthiouram-disulfide-100-ug-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7906e118-f9a7-4791-8feb-5a77d3399aa1.jpg?v=1761265311</image:loc>
      <image:title>***Thiuram (Thiram) (Tetramethylthiouram disulfide), 100 µg/mL in MeOH, CAS # 137-26-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-2-ethylhexyl-phthalate-neat-cas-27215-22-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7b4664da-f2fa-4ca4-8cd6-35d3acd5b557.jpg?v=1761265315</image:loc>
      <image:title>Benzyl 2-Ethylhexyl Phthalate, Neat, CAS # 27215-22-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-2-ethylhexyl-phthalate-100-ug-ml-in-methanol-cas-27215-22-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a2a92c10-77ef-4b4a-ae82-3207bde05e5d.jpg?v=1761265319</image:loc>
      <image:title>*Benzyl 2-Ethylhexyl Phthalate, 100 µg/mL in Methanol, CAS # 27215-22-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tribromsalon-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3391967-c081-4371-ba33-96d250df6a1c.jpg?v=1761265323</image:loc>
      <image:title>*Tribromsalon, Neat, CAS # 87-10-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tribromsalon-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ecf8999b-0180-4c88-a67d-36d7079408f6.jpg?v=1761265326</image:loc>
      <image:title>*Tribromsalon, 100 µg/mL in Methanol, CAS # 87-10-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triethanolamine-tea-neat-cas-102-71-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7295c3a1-135a-4003-89e2-6b1122aa8041.jpg?v=1761265330</image:loc>
      <image:title>*Triethanolamine (TEA), Neat, CAS # 102-71-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triethanolamine-tea-100-ug-ml-in-methanol-cas-102-71-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4056ebd7-3cb4-4fed-870d-288b5161c0cf.jpg?v=1761265333</image:loc>
      <image:title>*Triethanolamine (TEA), 100 µg/mL in MeOH, CAS # 102-71-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trishydroxymethylnitromethane-tris-nitro-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d94219b7-dfa3-4e3e-98c0-05bae6650771.jpg?v=1761265337</image:loc>
      <image:title>*tris(Hydroxymethyl)nitromethane (Tris Nitro), Neat, CAS # 126-11-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trishydroxymethylnitromethane-tris-nitro-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_de66af17-f569-43bf-b305-761f16eed8fc.jpg?v=1761265340</image:loc>
      <image:title>*tris(Hydroxymethyl)nitromethane (Tris Nitro), 100 µg/mL in Methanol, CAS # 126-11-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vinyl-chloride-100-ug-ml-in-methanol-alr-170s-cas-75-01-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_79473260-6e13-423d-bcf2-4a2f44ead742.jpg?v=1761265344</image:loc>
      <image:title>*Vinyl Chloride, 100 µg/mL in MeOH, CAS # 75-01-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-ionone-neat-cas-127-41-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5584f167-c225-4c90-8fff-ae978e9c4dcf.jpg?v=1761265347</image:loc>
      <image:title>*a-Ionone, Neat, CAS # 127-41-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-ionone-100-ug-ml-in-methanol-cas-127-41-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dcb643d2-8ebc-414a-b543-048ad0ff8175.jpg?v=1761265351</image:loc>
      <image:title>*a-Ionone, 100 µg/mL in Methanol, CAS # 127-41-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-ionone-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d83f3591-a76d-423b-a37c-aa9ba87a57ad.jpg?v=1761265355</image:loc>
      <image:title>*b-Ionone, Neat, CAS # 79-77-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-ionone-100-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ac8ab2a-770f-4fa5-91fa-fd5b9c65f36e.jpg?v=1761265358</image:loc>
      <image:title>*b-Ionone, 100 µg/mL in Methanol, CAS # 79-77-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/salicylic-acid-neat-cas-69-72-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3da893b1-5324-45c1-a0f8-59dec7609eda.jpg?v=1761265362</image:loc>
      <image:title>Salicylic acid, Neat, CAS # 69-72-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/salicylic-acid-100-ug-ml-in-water</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0f72e7a-32a1-498c-aa2e-29be8754151c.jpg?v=1761265366</image:loc>
      <image:title>*Salicylic acid, 100 µg/mL in Water, CAS # 69-72-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethylhexyl-salicylate-100-ug-ml-in-acetonitrile-cas-118-60-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f27a96a9-0e17-4723-b396-0abfce915647.jpg?v=1761265369</image:loc>
      <image:title>*2-Ethylhexyl salicylate, 100 µg/mL in Acetonitrile, CAS # 118-60-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monohexyl-phthalate-neat-cas-24539-57-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fc04bcb5-9386-4c87-ab00-ca58d43123c9.jpg?v=1761265373</image:loc>
      <image:title>*Monohexyl phthalate, Neat, CAS # 24539-57-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monohexyl-phthalate-100-ug-ml-in-acetonitrile-cas-24539-57-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9c853519-b16f-473a-b3a0-af6c09fd6948.jpg?v=1761265376</image:loc>
      <image:title>*Monohexyl phthalate, 100 µg/mL in Acetonitrile, CAS # 24539-57-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisobutyl-phthalate-neat-cas-30833-53-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aea912e5-099f-4df2-b07a-f02b26ca178b.jpg?v=1761265380</image:loc>
      <image:title>*Monoisobutyl phthalate, Neat, CAS # 30833-53-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisobutyl-phthalate-100-ug-ml-in-acetonitrile-cas-30833-53-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aa789014-c11f-4f04-beea-de21e327f14f.jpg?v=1761265384</image:loc>
      <image:title>*Monoisobutyl Phthalate, 100 µg/mL in Acetonitrile, CAS # 30833-53-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-n-pentyl-phthalate-neat-cas-24539-56-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_70ca232d-28c9-48fe-b001-d7541d7a3365.jpg?v=1761265387</image:loc>
      <image:title>*Mono-n-pentyl phthalate, Neat, CAS # 24539-56-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-n-pentyl-phthalate-100-ug-ml-in-acetonitrile-cas-24539-56-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5260d8d5-dd3b-46d8-bbf4-b88245e1afc8.jpg?v=1761265391</image:loc>
      <image:title>*Mono-n-pentyl phthalate, 100 µg/mL in Acetonitrile, CAS # 24539-56-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monocyclohexyl-phthalate-neat-cas-7517-36-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b01ced67-b14f-4f49-b6e8-f0b799414b39.jpg?v=1761265394</image:loc>
      <image:title>*Monocyclohexyl phthalate, Neat, CAS # 7517-36-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monocyclohexyl-phthalate-100-ug-ml-in-acetonitrile-cas-7517-36-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2fbfa175-5201-449a-93f3-dc320c9b7bc3.jpg?v=1761265398</image:loc>
      <image:title>*Monocyclohexyl phthalate, 100 µg/mL in Acetonitrile, CAS # 7517-36-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisopropyl-phthalate-neat-cas-35118-50-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_388b766d-3141-433e-a825-e11eb54a6cec.jpg?v=1761265402</image:loc>
      <image:title>*Monoisopropyl phthalate, Neat, CAS # 35118-50-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisopropyl-phthalate-100-ug-ml-in-acetonitrile-cas-35118-50-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_634950e4-990f-475e-b8c2-6a8b5732efe6.jpg?v=1761265405</image:loc>
      <image:title>*Monoisopropyl phthalate, 100 µg/mL in Acetonitrile, CAS # 35118-50-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyclamen-alcohol-100-ug-ml-in-acetonitrile-cas-4756-19-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c5198751-a70b-4547-811a-8d3d34c4555f.jpg?v=1761265409</image:loc>
      <image:title>*Cyclamen alcohol, 100 µg/mL in Acetonitrile, CAS # 4756-19-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dihydroxy-3-methylbenzaldehyde-100-ug-ml-in-acetonitrile-cas-6248-20-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5dc71b97-cf0f-465a-99e0-9b7ab7edbce2.jpg?v=1761265412</image:loc>
      <image:title>*2,4-Dihydroxy-3-methylbenzaldehyde, 100 µg/mL in Acetonitrile, CAS # 6248-20-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-6-dimethyl-8-tert-butylcoumarin-100-ug-ml-in-acetonitrile-cas-17874-34-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_608bec7e-43f4-41f2-9762-4294825167c6.jpg?v=1761265416</image:loc>
      <image:title>*4,6-Dimethyl-8-tert-butylcoumarin, 100 µg/mL in Acetonitrile, CAS # 17874-34-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexahydrocoumarin-100-ug-ml-in-acetonitrile-cas-700-82-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_219e66d2-6856-4293-a2f4-8acb259461ac.jpg?v=1761265420</image:loc>
      <image:title>*Hexahydrocoumarin, 100 µg/mL in Acetonitrile, CAS # 700-82-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/6-isopropyl-2-decahydronaphthalenol-100-ug-ml-in-acetonitrile-cas-34131-99-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3a4b3b7f-f82c-4d68-a7e1-7cd238aeae03.jpg?v=1761265423</image:loc>
      <image:title>*6-Isopropyl-2-decahydronaphthalenol, 100 µg/mL in Acetonitrile, CAS # 34131-99-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dihydroxy-4-methylbenzaldehyde-100-ug-ml-in-acetonitrile-cas-526-37-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e0d836f0-48b8-4979-a293-3845e9240790.jpg?v=1761265427</image:loc>
      <image:title>*2,6-Dihydroxy-4-methylbenzaldehyde, 100 µg/mL in Acetonitrile, CAS # 526-37-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-chloro-2-6-dihydroxy-4-methylbenzaldehyde-100-ug-ml-in-acetonitrile-cas-57074-21-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f94ea426-779d-4d5b-9640-58bcb63fe606.jpg?v=1761265430</image:loc>
      <image:title>*3-Chloro-2,6-dihydroxy-4-methylbenzaldehyde, 100 µg/mL in Acetonitrile, CAS # 57074-21-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-13b1-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f51ce6a-4942-42c1-8b67-d04d727d08ce.jpg?v=1761265327</image:loc>
      <image:title>*Freon #13b1, 0.2 mg/mL in Methanol, CAS # 75-63-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-142b-200-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_246b474f-8ea3-4d49-b900-05fb00fc592e.jpg?v=1761265331</image:loc>
      <image:title>*Freon #142b, 0.2 mg/mL in MeOH, CAS # 75-68-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-22-chlorodifluoromethane-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_91eec39f-95b6-4a7f-a0f5-980e214278c2.jpg?v=1761265334</image:loc>
      <image:title>*Freon #22 Chlorodifluoromethane, 0.2 mg/mL in MeOH, CAS # 75-45-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-160-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bd95e9ee-d6a0-4beb-8567-d2002e3b2d7f.jpg?v=1761265338</image:loc>
      <image:title>*Freon #160, 0.2 mg/mL in MeOH, CAS # 75-00-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-40-chloromethane-200-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a4c438c7-f839-484d-81f0-aaba85fdddee.jpg?v=1761265341</image:loc>
      <image:title>*Freon #40 Chloromethane, 0.2 mg/mL in MeOH, CAS # 74-87-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-115-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a07d8145-cbbf-4e10-b9ce-096318e0cec6.jpg?v=1761265345</image:loc>
      <image:title>*Freon #115, 0.2 mg/mL in MeOH, CAS # 76-15-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-13-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f273e464-5408-43d8-b237-8ff37a8e97cb.jpg?v=1761265348</image:loc>
      <image:title>*Freon #13, 0.2 mg/mL in MeOH, CAS # 75-72-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-12-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_45298d35-80b8-4390-a423-9571c1008434.jpg?v=1761265352</image:loc>
      <image:title>*Freon #12, 0.2 mg/mL in MeOH, CAS # 75-71-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-21-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7233d620-e2e6-4984-a22e-c86abdd21699.jpg?v=1761265355</image:loc>
      <image:title>*Freon #21, 0.2 mg/mL in MeOH, CAS # 75-43-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-114-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1d6f64af-57cf-4f49-8fcc-d183350c1673.jpg?v=1761265359</image:loc>
      <image:title>*Freon #114, 0.2 mg/mL in MeOH, CAS # 76-14-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-152a-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2290195c-8710-47ee-b095-fc27c0f4fc90.jpg?v=1761265362</image:loc>
      <image:title>*Freon #152a, 0.2 mg/mL in Methanol, CAS # 75-37-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-134a-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ca2bc697-1210-4fbd-916e-6ad4a6bdbaf9.jpg?v=1761265366</image:loc>
      <image:title>*Freon #134a, 0.2 mg/mL in MeOH, CAS # 811-97-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-11-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_75a76223-889d-4feb-b6cd-9066ce9742e7.jpg?v=1761265370</image:loc>
      <image:title>*Freon #11, 0.2 mg/mL in MeOH, CAS # 75-69-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-113-1-1-2-trichloro-1-2-2-trifluoroethane-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_024e1eaa-46fe-472d-b71d-4f6590966f24.jpg?v=1761265373</image:loc>
      <image:title>*Freon #113 1,1,2-Trichloro-1,2,2-trifluoroethane, 0.2 mg/mL in MeOH, CAS # 76-13-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-23-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c38b053c-80e0-4868-96de-44d695f7c580.jpg?v=1761265377</image:loc>
      <image:title>*Freon #23, 0.2 mg/mL in MeOH, CAS # 75-46-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/set-of-24-eu-allergen-standards-alr-eu24-r1-set-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f636686-de58-4e9a-868e-b47310ca1667.jpg?v=1761265381</image:loc>
      <image:title>*Set of 24 EU Allergen Standards, 1 Set</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/set-of-24-eu-36-allergans-24-x-1-ml-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_575c0b92-70a5-40d3-a7e2-c87fea2b4e81.jpg?v=1761265384</image:loc>
      <image:title>*Set of 24 EU 36 Allergens, 24 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/arsenic-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_e035c990-bd97-4a97-bc03-e96ff7c918b6.jpg?v=1776872994</image:loc>
      <image:title>*Arsenic, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chromium-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_6f9e92e6-d1ee-4091-b854-c9d40ad62427.jpg?v=1776872998</image:loc>
      <image:title>*Chromium, 1000 µg/mL in 2-5% Nitric Acid, ALR-MET-02S-R, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cobalt-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_95f6975d-5a80-4ec8-b96c-c7ecaa02fd05.jpg?v=1776873003</image:loc>
      <image:title>*Cobalt, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lead-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_93028f77-a5d3-4554-a95f-d6d5482a3f37.jpg?v=1776873008</image:loc>
      <image:title>*Lead, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-1000-ug-ml-in-10-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_b82cb2d9-289b-40f4-9ec0-461ad9866e90.jpg?v=1776873012</image:loc>
      <image:title>*Mercury, 1000 µg/mL in 10% Nitric acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nickel-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_c5509a30-cfc1-46ad-a30f-af66eb325b9a.jpg?v=1776873017</image:loc>
      <image:title>*Nickel, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-dichromate-1000-ug-ml-in-water-cas-7778-50-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_93aa5c9a-4a5b-4ad0-b753-1c906370e5ef.jpg?v=1776873021</image:loc>
      <image:title>*Potassium dichromate, 1000 µg/mL in Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zirconium-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_46cfd874-2946-4531-bc17-96094715b47b.jpg?v=1776873025</image:loc>
      <image:title>*Zirconium, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/set-of-11-paraben-solutions-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dfa83a47-be46-4c32-baf4-1cdbf45f887e.jpg?v=1761265417</image:loc>
      <image:title>*Set of 11 Paraben Solutions, 11 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/set-of-17-phthalate-solutions</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3bf2b3b9-a456-4305-8305-1e9de24a90c0.jpg?v=1761265420</image:loc>
      <image:title>*Set of 17 Phthalate Solutions, 17 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pfas-in-food-reference-standard-1-2-ug-ml-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9e9e2fe3-cee9-4bf2-b445-357e1a0a5f1e.jpg?v=1761265424</image:loc>
      <image:title>*PFAS in Food Reference Standard 1, 2 µg/mL in Acetonitrile (4% Methanol), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phthalates-in-water-based-adhesive-1000-ug-ml-in-n-hexane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dcf09c1d-ac4c-4773-9257-e5d2cf7c48f0.jpg?v=1761265436</image:loc>
      <image:title>*Phthalates in Water-Based Adhesive, 1000 µg/mL in n-Hexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phthalates-in-water-based-adhesive-internal-standard-100-ug-ml-in-n-hexane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4d1b44f1-13d3-485e-b66b-b7da5850c905.jpg?v=1761265439</image:loc>
      <image:title>*Phthalates in Water-Based Adhesive Internal Standard, 100 µg/mL in n-Hexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-1-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_964639a1-3c5b-41c2-9128-37d4aef1fc8c.jpg?v=1761265443</image:loc>
      <image:title>***AOCS Animal &amp; Vegetable Reference Mix 1, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e82eaff4-f278-429d-8310-81c8885b4a90.jpg?v=1761265447</image:loc>
      <image:title>*AOCS Animal &amp; Vegetable Reference Mix 2, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_632bf456-0215-4fc5-8076-5ff288f5f613.jpg?v=1761265450</image:loc>
      <image:title>AOCS Animal &amp; Vegetable Reference Mix 3, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d5c630c3-04e8-46dc-b773-58ee6f6edb28.jpg?v=1761265454</image:loc>
      <image:title>*AOCS Animal &amp; Vegetable Reference Mix 4, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_62949ff1-ab01-4aad-b6b7-85f4b87471e5.jpg?v=1761265458</image:loc>
      <image:title>AOCS Animal &amp; Vegetable Reference Mix 5, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_daa09884-d6c8-4723-8ce5-a2517826fc5e.jpg?v=1761265461</image:loc>
      <image:title>AOCS Animal &amp; Vegetable Reference Mix 6, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-rapeseed-mix</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_918104d2-65d7-49ca-a524-98c8f20ffd5a.jpg?v=1761265465</image:loc>
      <image:title>AOCS Rapeseed Mix, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/adsorbable-organic-fluorine-standard-aof-100-ug-ml-in-methanol-cas-456-22-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0a6c5a70-ea31-4b10-b0fd-9d2446e1c8e1.jpg?v=1761265468</image:loc>
      <image:title>*Adsorbable Organic Fluorine Standard (AOF), 100 µg/mL in Methanol, CAS # 456-22-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-n-di-2-butyl-1-4-phenylenediamine-standard-100-ug-ml-in-cyclohexane-cas-101-96-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3f98d3d-17e5-40ad-9ff7-5b27e3d96046.jpg?v=1761265472</image:loc>
      <image:title>*N,N′-di-2-Butyl-1,4-phenylenediamine Standard, 100 µg/mL in Cyclohexane, CAS # 101-96-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-di-tert-butylphenol-standard-100-ug-ml-in-cyclohexane-cas-128-39-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_794432e2-9d55-4ace-a973-d48ebb50a67c.jpg?v=1761265476</image:loc>
      <image:title>*2,6-di-tert-Butylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 128-39-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-tert-butyl-4-6-dimethylphenol-standard-100-ug-ml-in-cyclohexane-cas-1879-09-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9bec8af2-bb3f-4af8-90a6-18c42123bb13.jpg?v=1761265480</image:loc>
      <image:title>*2-tert-Butyl-4,6-dimethylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 1879-09-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-tert-butyl-4-methylphenol-standard-100-ug-ml-in-cyclohexane-cas-2409-55-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec60cf82-9ab8-4462-839e-2bb8981cd03d.jpg?v=1761265484</image:loc>
      <image:title>*2-tert-Butyl-4-methylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 2409-55-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-tert-butylphenol-standard-100-ug-ml-in-cyclohexane-cas-88-18-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5eb1dd74-e167-4e0c-9f32-6c5412fa566d.jpg?v=1761265487</image:loc>
      <image:title>*2-tert-Butylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 88-18-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-di-tert-butyl-p-cresol-standard-100-ug-ml-in-cyclohexane-cas-128-37-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7a038739-974b-4349-8cbe-9e58fb0c8381.jpg?v=1761265491</image:loc>
      <image:title>*2,6-di-tert-Butyl-p-cresol Standard, 100 µg/mL in Cyclohexane, CAS # 128-37-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-tri-tert-butylphenol-standard-100-ug-ml-in-cyclohexane-cas-732-26-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5cf2a1bc-59fe-4b3e-909a-00a75b1e96df.jpg?v=1761265495</image:loc>
      <image:title>*2,4,6-tri-tert-Butylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 732-26-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/antioxidants-in-jet-fuel-internal-standard-2000-ug-ml-in-methylene-chloride-cas-105-13-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23a18995-6811-4c16-a84a-050ef40a6596.jpg?v=1761265498</image:loc>
      <image:title>*Antioxidants in Jet fuel Internal Standard, 2000 µg/mL in Methylene Chloride, CAS # 105-13-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/antioxidants-in-jet-fuel-internal-standard-2000-ug-ml-in-methylene-chloride-cas-105-13-5-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d97b937b-ef79-4b85-82d5-19bc481be36f.jpg?v=1761265502</image:loc>
      <image:title>*Antioxidants in Jet fuel Internal Standard, 2000 µg/mL in Methylene Chloride, CAS # 105-13-5, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/antioxidants-in-jet-fuel-reference-standard-varied-conc-in-cyclohexane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e378fe2e-0a51-452a-9b00-469030f83be1.jpg?v=1761265506</image:loc>
      <image:title>*Antioxidants in Jet fuel Reference Standard, Varied Conc. in Cyclohexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoic-acid-neat-cas-65-85-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec45ba39-2a55-4299-9ca9-025d20f8390a.jpg?v=1761265510</image:loc>
      <image:title>*Benzoic acid, Neat, CAS # 65-85-0, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-benzoate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c402bb3f-5e34-4b63-a17e-ef4dbdc7a6bc.jpg?v=1761265513</image:loc>
      <image:title>*Sodium benzoate, Neat, CAS # 532-32-1, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-nitrite</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aa76fb56-ad66-44f5-a111-eea9eaba2c6c.jpg?v=1761265517</image:loc>
      <image:title>*Potassium nitrite, Neat, CAS # 7758-09-0, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrite-neat-cas-7632-00-0-1g</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_325b5370-23d8-4a23-bcaf-6eaad0a5d7a4.jpg?v=1761265521</image:loc>
      <image:title>Sodium nitrite, Neat, CAS # 7632-00-0, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6189d18-3bd7-464d-8b10-cd3505e1eca0.jpg?v=1761265524</image:loc>
      <image:title>*Sodium nitrate, Neat, CAS # 7631-99-4, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-nitrate-neat-cas-7757-79-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_06eb2b40-6ee8-4315-999f-56325eefc4f3.jpg?v=1761265528</image:loc>
      <image:title>Potassium nitrate, Neat, CAS # 7757-79-1, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-paraben-neat-cas-99-76-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_477de1a1-857a-49ff-9e44-50e590a8d36b.jpg?v=1761265532</image:loc>
      <image:title>Methyl paraben, Neat, CAS # 99-76-3, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-paraben-neat-cas-120-47-8-1g</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_27a56624-bad2-4017-b7f4-8abc380126ff.jpg?v=1761265535</image:loc>
      <image:title>Ethyl paraben, Neat, CAS # 120-47-8, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-paraben-neat-cas-94-26-8-1g</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3cf53e3-8384-4594-b92d-e2aea1ba5cf8.jpg?v=1761265539</image:loc>
      <image:title>Butyl paraben, Neat, CAS # 94-26-8, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionic-acid-neat-cas-79-09-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d5189561-09d2-47c7-895d-a2201275ba9c.jpg?v=1761265542</image:loc>
      <image:title>*Propionic acid, Neat, CAS # 79-09-4, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-propionate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ba104dcf-34e9-4e3e-a3ec-2efb8f46ebed.jpg?v=1761265546</image:loc>
      <image:title>*Sodium propionate, Neat, CAS # 137-40-6, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-propionate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_48c7ef0f-86e5-4c9b-b5b3-5aafacbf84b4.jpg?v=1761265549</image:loc>
      <image:title>*Calcium propionate, Neat, CAS # 4075-81-4, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sorbic-acid-neat-cas-110-44-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a253ba2-b82e-4056-8872-28b34ac2e4a8.jpg?v=1761265553</image:loc>
      <image:title>*Sorbic acid, Neat, CAS # 110-44-1, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c304b8f-d67c-405a-a96b-c603c228cb44.jpg?v=1761265556</image:loc>
      <image:title>*Potassium Sorbate, Neat, CAS # 24634-61-5, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthene-100-ug-ml-in-methanol-cas-83-32-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7e61cc48-065e-4990-9cec-59f2c6c683b4.jpg?v=1761265560</image:loc>
      <image:title>*Acenaphthene, 100 µg/mL in MeOH, CAS # 83-32-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthene-1000-ug-ml-in-methanol-cas-83-32-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fe0c20fa-7caf-4b8f-806d-9a11e3679a57.jpg?v=1761265563</image:loc>
      <image:title>*Acenaphthene, 1000 µg/mL in MeOH, CAS # 83-32-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthylene-100-ug-ml-in-methanol-cas-208-96-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e5213a68-304b-4599-a4a8-f268cd9c9c0f.jpg?v=1761265567</image:loc>
      <image:title>*Acenaphthylene, 100 µg/mL in MeOH, CAS # 208-96-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthylene-1000-ug-ml-in-methanol-cas-208-96-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_32256581-70b7-4777-8b6e-7cd404a02b3c.jpg?v=1761265571</image:loc>
      <image:title>*Acenaphthylene, 1000 µg/mL in MeOH, CAS # 208-96-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetone-100-ug-ml-in-methanol-cas-67-64-1-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8aa48ab8-12ea-4638-865e-099a206450b0.jpg?v=1761265574</image:loc>
      <image:title>*Acetone, 100 µg/mL in MeOH, CAS # 67-64-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetone-2-0-mg-ml-in-methanol-cas-67-64-1-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_32c1b1d7-1270-41f4-88a6-9429815d3a74.jpg?v=1761265578</image:loc>
      <image:title>*Acetone, 2.0 mg/mL in MeOH, CAS # 67-64-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetophenone-100-ug-ml-in-dichloromethane-cas-98-86-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_561b3309-a039-46e8-9310-e78e918baccc.jpg?v=1761265585</image:loc>
      <image:title>*Acetophenone, 100 µg/mL in Dichloromethane, CAS # 98-86-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetophenone-2-0-mg-ml-in-dichloromethane-cas-98-86-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_570cfe52-c81c-4f09-9cba-45afd21d3390.jpg?v=1761265588</image:loc>
      <image:title>*Acetophenone, 2.0 mg/mL in Dichloromethane, CAS # 98-86-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-100-ug-ml-in-methanol-cas-75-05-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_43ca64f7-d82b-4610-8f06-0849ace5706e.jpg?v=1761265592</image:loc>
      <image:title>*Acetonitrile, 100 µg/mL in MeOH, CAS # 75-05-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-1000-ug-ml-in-methanol-cas-75-05-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ceec9f4c-9e8b-4df3-baaf-e6aeb49b96a9.jpg?v=1761265596</image:loc>
      <image:title>*Acetonitrile, 1000 µg/mL in MeOH, CAS # 75-05-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-5-0-mg-ml-in-methanol-cas-75-05-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c5c535bb-d03a-4007-9793-f4eed4c4fd0a.jpg?v=1761265599</image:loc>
      <image:title>*Acetonitrile, 5.0 mg/mL in MeOH, CAS # 75-05-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-acetylaminofluorene-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b5693929-cc33-4a34-a945-09625f61200f.jpg?v=1761265603</image:loc>
      <image:title>*2-Acetylaminofluorene, 100 µg/mL in Dichloromethane, CAS # 53-96-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrolein-100-ug-ml-in-methanol-water-90-10-cas-107-02-8-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ef778a19-96ec-49fc-b338-eb250caabffa.jpg?v=1761265607</image:loc>
      <image:title>*Acrolein, 100 µg/mL in MeOH: Water 90:10, CAS # 107-02-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrolein-1000-ug-ml-in-methanol-water-90-10-cas-107-02-8-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_45fe1dec-aea6-48e4-b134-c8c4455cb7dd.jpg?v=1761265610</image:loc>
      <image:title>*Acrolein, 1000 µg/mL in MeOH: Water 90:10, CAS # 107-02-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrolein-100-ug-ml-in-water-cas-107-02-8-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_802dde49-fd8a-44bd-bdf7-5779aa52544f.jpg?v=1761265614</image:loc>
      <image:title>***Acrolein, 100 µg/mL in Water, CAS # 107-02-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrolein-1000-ug-ml-in-water-cas-107-02-8-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_715b7f77-52ba-4e26-aad0-5f80a7884f51.jpg?v=1761265618</image:loc>
      <image:title>***Acrolein, 1000 µg/mL in Water, CAS # 107-02-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-100-ug-ml-in-methanol-cas-107-13-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c9a9ee46-9bd4-407c-8323-dfdd44f8b782.jpg?v=1761265621</image:loc>
      <image:title>*Acrylonitrile, 100 µg/mL in MeOH, CAS # 107-13-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-1000-ug-ml-in-methanol-app-9-008-10x-cas-107-13-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b831b832-6aab-429e-a77d-4381c38105e0.jpg?v=1761265625</image:loc>
      <image:title>*Acrylonitrile, 1000 µg/mL in MeOH, CAS # 107-13-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ebac014b-992f-433a-88ef-ae7d9aaf5c25.jpg?v=1761265628</image:loc>
      <image:title>*Acrylonitrile, 1000 µg/mL in MeOH, CAS # 107-13-1, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aldrin-100-ug-ml-in-methanol-app-9-009-cas-309-00-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aebf5875-84d5-4d26-b50c-90b49576f1a5.jpg?v=1761265632</image:loc>
      <image:title>*Aldrin, 100 µg/mL in Methanol, CAS # 309-00-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allyl-chloride-100-ug-ml-in-methanol-cas-107-05-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f6adfef6-5ae3-4646-8a90-b13301687b90.jpg?v=1761265636</image:loc>
      <image:title>*Allyl Chloride, 100 µg/mL in MeOH, CAS # 107-05-1, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/allyl-chloride-2-0-mg-ml-in-methanol-cas-107-05-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/4-aminobiphenyl-100-ug-ml-in-dichloromethane-cas-92-67-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c31a3668-75a4-4931-928a-348bf155b174.jpg?v=1761265643</image:loc>
      <image:title>*4-Aminobiphenyl, 100 µg/mL in Dichloromethane, CAS # 92-67-1, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-100-ug-ml-in-methanol-cas-62-53-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0ba1d87b-f4bb-4ffb-b311-09be8f65c8c7.jpg?v=1761265646</image:loc>
      <image:title>*Aniline, 100 µg/mL in MeOH, CAS # 62-53-3, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/aniline-1000-ug-ml-in-methanol-cas-62-53-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_efdefe21-15dc-4f68-b7dc-0e829b260dad.jpg?v=1761265650</image:loc>
      <image:title>*Aniline, 1000 µg/mL in MeOH, CAS # 62-53-3, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-100-ug-ml-in-methanol-cas-120-12-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ab80641e-cfb0-49a9-93c1-91c0bf2d6581.jpg?v=1761265653</image:loc>
      <image:title>*Anthracene, 100 µg/mL in Methanol, CAS # 120-12-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-1000-ug-ml-in-methanol-cas-120-12-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c77303e1-e119-4b30-b4f9-5390dbf35b49.jpg?v=1761265657</image:loc>
      <image:title>*Anthracene, 1000 µg/mL in Methanol, CAS # 120-12-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aramite-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5bd6103b-e94c-4937-8f90-6e5ef6bc42d2.jpg?v=1761265660</image:loc>
      <image:title>*Aramite, 100 µg/mL in Methanol, CAS # 140-57-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aramite-2000-ug-ml-in-dichloromethane-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_21f356e4-58d0-4d1a-ac1c-c29f168a1110.jpg?v=1761265664</image:loc>
      <image:title>***Aramite, 2000 µg/mL in Dichloromethane, CAS # 140-57-8, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/benzene-100-ug-ml-in-methanol-cas-71-43-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9356053b-0e1c-4e84-ba2f-088d904069a2.jpg?v=1761265491</image:loc>
      <image:title>*Benzene, 100 µg/mL in MeOH, CAS # 71-43-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaanthracene-100-ug-ml-in-methanol-cas-56-55-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_32838272-f3b1-48fe-99fa-10a0a06ee3a0.jpg?v=1761265494</image:loc>
      <image:title>*Benz(a)anthracene, 100 µg/mL in MeOH, CAS # 56-55-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaanthracene-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a73045fa-b661-4a3e-85e5-0a99cf6d1530.jpg?v=1761265498</image:loc>
      <image:title>*Benz(a)anthracene, 1000 µg/mL in MeOH, CAS # 56-55-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzobfluoranthene-100-ug-ml-in-methanol-cas-205-99-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2cdc0023-c1db-4a3e-823a-3a7e0dc9b7c1.jpg?v=1761265501</image:loc>
      <image:title>*Benzo(b)fluoranthene, 100 µg/mL in MeOH, CAS # 205-99-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzobfluoranthene-1000-ug-ml-in-methanol-cas-205-99-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_99eec627-14cb-4254-85ca-868a57af3d1a.jpg?v=1761265505</image:loc>
      <image:title>*Benzo(b)fluoranthene, 1000 µg/mL in Methanol, CAS # 205-99-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzokfluoranthene-100-ug-ml-in-methanol-cas-207-08-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7da1d830-2f0f-4e8a-a54a-06eb09a3ca62.jpg?v=1761265509</image:loc>
      <image:title>*Benzo(k)fluoranthene, 100 µg/mL in MeOH, CAS # 207-08-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzokfluoranthene-2-0-mg-ml-in-dichloromethane-cas-207-08-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0bcd3946-d830-475e-901b-f97d41c5e69d.jpg?v=1761265513</image:loc>
      <image:title>*Benzo(k)fluoranthene, 2.0 mg/mL in Dichloromethane, CAS # 207-08-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzog-h-iperylene-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_12a8460e-54c8-49ad-bc9d-738c3eaa9806.jpg?v=1761265516</image:loc>
      <image:title>*Benzo(g,h,i)perylene, 100 µg/mL in Dichloromethane, CAS # 191-24-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzog-h-iperylene-1000-ug-ml-in-dichloromethane-cas-191-24-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a9a7a752-44ba-4ee5-9cda-3fc1d11e4edd.jpg?v=1761265520</image:loc>
      <image:title>*Benzo(g,h,i)perylene, 1000 µg/mL in Dichloromethane, CAS # 191-24-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoapyrene-100-ug-ml-in-methanol-cas-50-32-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_837fd239-0a05-489d-a674-f69ba6344f7e.jpg?v=1761265523</image:loc>
      <image:title>*Benz[a]pyrene, 100 µg/mL in MeOH, CAS # 50-32-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoapyrene-2-0-mg-ml-in-dichloromethane-cas-50-32-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_46b40730-fe93-4064-80db-1b6147ac5dae.jpg?v=1761265527</image:loc>
      <image:title>*Benz[a]pyrene, 2.0 mg/mL in Dichloromethane, CAS # 50-32-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-100-ug-ml-in-methanol-cas-100-51-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_72847d6a-d2fb-40d6-9d72-d7d24db9d703.jpg?v=1761265530</image:loc>
      <image:title>*Benzyl Alcohol, 100 µg/mL in MeOH, CAS # 100-51-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-5-0-mg-ml-in-methanol-cas-100-51-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b77a197b-2adf-4623-a44f-e2bb694f3855.jpg?v=1761265534</image:loc>
      <image:title>*Benzyl Alcohol, 5.0 mg/mL in MeOH, CAS # 100-51-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-bhc-100-ug-ml-in-methanol-app-9-022-cas-319-84-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e31acc68-2576-4b18-9e4a-9ea33b17429c.jpg?v=1761265537</image:loc>
      <image:title>*a-BHC, 100 µg/mL in MeOH, CAS # 319-84-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-bhc-100-ug-ml-in-methanol-app-9-023-cas-319-85-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d9bc5e91-22ef-4282-a821-0623103d90d5.jpg?v=1761265541</image:loc>
      <image:title>*b-BHC, 100 µg/mL in MeOH, CAS # 319-85-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/d-bhc-100-ug-ml-in-methanol-app-9-024-cas-319-86-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7630bc73-012c-453e-8732-73771ab2d6d5.jpg?v=1761265545</image:loc>
      <image:title>*d-BHC, 100 µg/mL in MeOH, CAS # 319-86-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lindane-100-ug-ml-in-methanol-app-9-025-cas-58-89-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5c39a9af-e48d-4cc4-9a59-a4aacc522123.jpg?v=1761265548</image:loc>
      <image:title>*Lindane, 100 µg/mL in MeOH, CAS # 58-89-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethoxymethane-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9e907de-915a-429a-a64e-c635adb768f0.jpg?v=1761265552</image:loc>
      <image:title>*bis(2-Chloroethoxy)methane, 100 µg/mL in Dichloromethane, CAS # 111-91-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethoxymethane-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e289b8a-1c61-4551-a8c4-404eaa37aaec.jpg?v=1761265555</image:loc>
      <image:title>*bis(2-Chloroethoxy)methane, 1000 µg/mL in MeOH, CAS # 111-91-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethylether-100-ug-ml-in-methanol-cas-111-44-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e0fd5a24-ad9f-4e99-8457-49a9e18e1953.jpg?v=1761265559</image:loc>
      <image:title>*bis(2-Chloroethyl)ether, 100 µg/mL in MeOH, CAS # 111-44-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethylether-4-0-mg-ml-in-methanol-cas-111-44-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_afe9937f-d13c-4a70-b32b-0acd52221f89.jpg?v=1761265562</image:loc>
      <image:title>*bis(2-Chloroethyl)ether, 4.0 mg/mL in MeOH, CAS # 111-44-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloro-1-methylethylether-100-ug-ml-in-dichloromethane-cas-108-60-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9591b37d-c28d-4b5b-9068-13cf45063b8f.jpg?v=1761265566</image:loc>
      <image:title>*bis(2-Chloro-1-methylethyl)ether, 100 µg/mL in Dichloromethane, CAS # 108-60-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-ethylhexylphthalate-100-ug-ml-in-methanol-cas-117-81-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_09bc136e-bcd6-498b-8a85-e071bcfdb12e.jpg?v=1761265570</image:loc>
      <image:title>*bis(2-Ethylhexyl)phthalate, 100 µg/mL in Methanol,  CAS # 117-81-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-ethylhexylphthalate-1000-ug-ml-in-methanol-app-9-029-10x-cas-117-81-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fc826168-db18-4905-bb82-e1b05664fa64.jpg?v=1761265574</image:loc>
      <image:title>*bis(2-Ethylhexyl)phthalate, 1000 µg/mL in Methanol, CAS # 117-81-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromodichloromethane-100-ug-ml-in-methanol-app-9-030-cas-75-27-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_285eb002-cef1-45e6-837d-73281a2d18a7.jpg?v=1761265578</image:loc>
      <image:title>*Bromodichloromethane, 100 µg/mL in MeOH, CAS # 75-27-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromoform-100-ug-ml-in-methanol-cas-75-25-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5b200299-063a-4007-8596-e5a4602c8239.jpg?v=1761265581</image:loc>
      <image:title>*Bromoform, 100 µg/mL in MeOH, CAS # 75-25-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromomethane-100-ug-ml-in-methanol-cas-74-83-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c013832d-78d0-4389-9ffd-d63fab296035.jpg?v=1761265585</image:loc>
      <image:title>*Bromomethane, 100 µg/mL in MeOH, CAS # 74-83-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-bromophenyl-phenyl-ether-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_70f6da5c-afc2-4db2-8221-fccc656a61eb.jpg?v=1761265589</image:loc>
      <image:title>*4-Bromophenyl Phenyl Ether, 100 µg/mL in MeOH, CAS # 101-55-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-butyl-phthalate-100-ug-ml-in-methanol-app-9-034-cas-85-68-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_db645e93-eb5f-4ef8-b17f-e929502b1b01.jpg?v=1761265592</image:loc>
      <image:title>*Benzyl Butyl Phthalate, 100 µg/mL in MeOH,  CAS # 85-68-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-disulfide-100-ug-ml-in-methanol-cas-75-15-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2f31e3c6-30fe-4a0a-9208-3dbee9a6b1ec.jpg?v=1761265596</image:loc>
      <image:title>*Carbon Disulfide, 100 µg/mL in MeOH, CAS # 75-15-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-disulfide-2-0-mg-ml-in-methanol-cas-75-15-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e2ed73dd-941b-4564-be4c-791208a4d87a.jpg?v=1761265599</image:loc>
      <image:title>*Carbon Disulfide, 2.0 mg/mL in MeOH, CAS # 75-15-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-100-ug-ml-in-methanol-cas-56-23-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bd8be541-61b4-4e49-bb4a-c4c6c79fb776.jpg?v=1761265603</image:loc>
      <image:title>*Carbon Tetrachloride, 100 µg/mL in MeOH,  CAS # 56-23-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlordane-100-ug-ml-in-methanol-app-9-037-cas-12789-03-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_371f077e-e235-409d-910d-4161fc85389c.jpg?v=1761265606</image:loc>
      <image:title>*Chlordane, 100 µg/mL in MeOH, CAS # 12789-03-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-chloroaniline-100-ug-ml-in-methanol-cas-106-47-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fae60d9e-96e0-424f-8f2f-6fbcde6d7dea.jpg?v=1761265610</image:loc>
      <image:title>*p-Chloroaniline, 100 µg/mL in MeOH, CAS # 106-47-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzene-100-ug-ml-in-methanol-cas-108-90-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3d4adbc0-ac8f-4338-b5f9-35076a127991.jpg?v=1761265614</image:loc>
      <image:title>*Chlorobenzene, 100 µg/mL in MeOH, CAS # 108-90-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzilate-100-ug-ml-in-dichloromethane-cas-510-15-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b4cdaa03-1ee6-4a57-be71-41ca84fab9c3.jpg?v=1761265617</image:loc>
      <image:title>*Chlorobenzilate, 100 µg/mL in Dichloromethane, CAS # 510-15-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chloro-3-methylphenol-100-ug-ml-in-methanol-cas-59-50-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f7fbe747-90ea-4660-a01a-0e26af950e21.jpg?v=1761265621</image:loc>
      <image:title>*4-Chloro-3-Methylphenol, 100 µg/mL in MeOH, CAS # 59-50-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ea4074be-c1aa-4f54-9f8a-e7dbcdee8827.jpg?v=1761265624</image:loc>
      <image:title>*Chloroethane, 100 µg/mL in MeOH, CAS # 75-00-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_16d9827d-8ec1-4153-adfe-4965c9d4ebd3.jpg?v=1761265628</image:loc>
      <image:title>*Chloroform, 100 µg/mL in MeOH,  CAS # 67-66-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloromethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f29eb4ce-8565-4c96-b57a-c218998ed6bb.jpg?v=1761265631</image:loc>
      <image:title>*Chloromethane, 100 µg/mL in MeOH, CAS # 74-87-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloronaphthalene-100-ug-ml-in-methanol-cas-91-58-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_73b21ac2-c77a-42b3-9698-480f20f92bae.jpg?v=1761265635</image:loc>
      <image:title>*2-Chloronaphthalene, 100 µg/mL in MeOH, CAS # 91-58-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-100-ug-ml-in-methanol-cas-95-57-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c17962cb-81b8-4e87-99c9-9400919efafd.jpg?v=1761265639</image:loc>
      <image:title>*2-Chlorophenol, 100 µg/mL in MeOH, CAS # 95-57-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_47560a50-24c1-453a-b1ad-36892b99509c.jpg?v=1761265642</image:loc>
      <image:title>*2-Chlorophenol, 5.0 mg/mL in MeOH, CAS # 95-57-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-in-dichloromethane-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a78c9922-0f63-4cea-b554-d87038384025.jpg?v=1761265646</image:loc>
      <image:title>*2-Chlorophenol in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 95-57-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenyl-phenyl-ether-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d42a7bda-22e5-4ad5-a17a-6181886ad669.jpg?v=1761265650</image:loc>
      <image:title>*4-Chlorophenyl Phenyl Ether, 100 µg/mL in MeOH, CAS # 7005-72-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-100-ug-ml-in-methanol-cas-126-99-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_03e6b73c-f2c9-4ed2-b3be-d59aeed6a504.jpg?v=1761265653</image:loc>
      <image:title>*Chloroprene, 100 µg/mL in MeOH, CAS # 126-99-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_61071abe-bbe1-41dd-8098-ebb221c33be4.jpg?v=1761265657</image:loc>
      <image:title>*Chloroprene, 1000 µg/mL in MeOH, CAS # 126-99-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-2-0-mg-ml-in-methanol-cas-126-99-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e0903fa-138b-4176-b9fa-4fcd633334fb.jpg?v=1761265660</image:loc>
      <image:title>*Chloroprene, 2.0 mg/mL in MeOH, CAS # 126-99-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-200-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e7389b13-1d56-408c-a2ea-e11224b32000.jpg?v=1761265664</image:loc>
      <image:title>*Chloroprene, 200 µg/mL in MeOH, CAS # 126-99-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-5000-ug-ml-in-methanol-cas-126-99-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e486b8e6-e8cc-4aa2-ac0a-dabdaf621d20.jpg?v=1761265668</image:loc>
      <image:title>*Chloroprene, 5000 µg/mL in Methanol, CAS # 126-99-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-100-ug-ml-in-methanol-cas-218-01-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e492903b-e403-4dd5-a133-12502310ab01.jpg?v=1761265670</image:loc>
      <image:title>*Chrysene, 100 µg/mL in MeOH, CAS # 218-01-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-2-0-mg-ml-in-dichloromethane-cas-218-01-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eb9389ba-73ee-4644-a3e9-16936c113192.jpg?v=1761265674</image:loc>
      <image:title>*Chrysene, 2.0 mg/mL in Dichloromethane, CAS # 218-01-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-cresol-100-ug-ml-in-dichloromethane-cas-108-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_492775c0-d747-4a84-8b1c-47f7ce69739b.jpg?v=1761265677</image:loc>
      <image:title>*m-Cresol, 100 µg/mL in Dichloromethane, CAS # 108-39-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-cresol-1000-ug-ml-in-dichloromethane-cas-108-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e93cd7e-0e35-467f-b26d-43c4904a49ab.jpg?v=1761265681</image:loc>
      <image:title>*m-Cresol, 1000 µg/mL in Dichloromethane, CAS # 108-39-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-cresol-100-ug-ml-in-dichloromethane-cas-95-48-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b4fec69-8c99-485a-80e6-4e05615e0e71.jpg?v=1761265684</image:loc>
      <image:title>*o-Cresol, 100 µg/mL in Dichloromethane, CAS # 95-48-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-cresol-2-0-mg-ml-in-dichloromethane-cas-95-48-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9052b8d7-9e5d-45bf-a287-9e7e140c9777.jpg?v=1761265688</image:loc>
      <image:title>*o-Cresol, 2.0 mg/mL in Dichloromethane, CAS # 95-48-7, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/p-cresol-100-ug-ml-in-dichloromethane-cas-106-44-5</loc>
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  <url>
    <loc>https://chromspec.com/products/p-cresol-2-0-mg-ml-in-dichloromethane-cas-106-44-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/2-4-d-100-ug-ml-in-methanol-app-9-053-cas-94-75-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7fafaa5b-5d94-444a-ac8f-b9637d212734.jpg?v=1761265699</image:loc>
      <image:title>*2,4-D, 100 µg/mL in Methanol, CAS # 94-75-7, 1 mL</image:title>
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  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-ddd-100-ug-ml-in-methanol-cas-72-54-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a8281c69-826e-4254-b031-94093f9b0e52.jpg?v=1761265702</image:loc>
      <image:title>*4,4&apos;-DDD, 100 µg/mL in MeOH, CAS # 72-54-8, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/4-4-dde-100-ug-ml-in-methanol-cas-72-55-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_84fcb903-c99e-4ded-9be8-3afeab372eeb.jpg?v=1761265706</image:loc>
      <image:title>*4,4&apos;-DDE, 100 µg/mL in MeOH, CAS # 72-55-9, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/p-p-ddt-100-ug-ml-in-methanol-app-9-056-cas-50-29-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_41b97dcc-df31-4c7e-be55-4c06152ef90f.jpg?v=1761265709</image:loc>
      <image:title>*p,p&apos;-DDT, 100 µg/mL in Methanol, CAS # 50-29-3, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/diallate-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c1e20150-4762-4917-80f5-24a8bb3fbe26.jpg?v=1761265713</image:loc>
      <image:title>*Diallate, 100 µg/mL in MeOH, CAS # 2303-16-4, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/dibenza-hanthracene-100-ug-ml-in-methanol-cas-53-70-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_96a49ffb-d07e-4f95-87e7-3706e3cab3c9.jpg?v=1761265716</image:loc>
      <image:title>*Dibenz(a,h)anthracene, 100 µg/mL in Methanol, CAS # 53-70-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzofuran-100-ug-ml-in-methanol-cas-132-64-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6866a86a-5169-414a-a281-801f832f8ebd.jpg?v=1761265720</image:loc>
      <image:title>*Dibenzofuran, 100 µg/mL in MeOH, CAS # 132-64-9, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzofuran-200-ug-ml-in-methanol-cas-132-64-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b4b79115-1e38-4419-88ec-8df65b989abc.jpg?v=1761265723</image:loc>
      <image:title>*Dibenzofuran, 200 µg/mL in MeOH, CAS # 132-64-9, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/dibromochloromethane-100-ug-ml-in-methanol-cas-124-48-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_21757381-8d05-41c8-a17f-9df9b18c2493.jpg?v=1761265727</image:loc>
      <image:title>*Dibromochloromethane, 100 µg/mL in MeOH, CAS # 124-48-1, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dibromo-3-chloropropane-100-ug-ml-in-methanol-cas-96-12-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d67ff964-1fdb-43a0-a24a-8019af5de612.jpg?v=1761265731</image:loc>
      <image:title>*1,2-Dibromo-3-chloropropane, 100 µg/mL in Methanol, CAS # 96-12-8, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/dibromomethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c93bec84-bb87-461c-a91a-d1ce3f7731b8.jpg?v=1761265734</image:loc>
      <image:title>*Dibromomethane, 100 µg/mL in MeOH, CAS # 74-95-3, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-100-ug-ml-in-methanol-cas-84-74-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b2d9d702-232c-4a1e-ad41-2025ab916fbf.jpg?v=1761265738</image:loc>
      <image:title>*Di-n-butyl Phthalate, 100 µg/mL in MeOH, CAS # 84-74-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-1000-ug-ml-in-methanol-cas-84-74-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6042d52f-aa89-4f92-ae01-11c78d2afb9c.jpg?v=1761265741</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichlorobenzene-100-ug-ml-in-methanol-cas-95-50-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67f5b9cd-f0c7-487d-8a6b-876abf96aa1d.jpg?v=1761265745</image:loc>
      <image:title>*1,2-Dichlorobenzene, 100 µg/mL in MeOH, CAS # 95-50-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-dichlorobenzene-100-ug-ml-in-methanol-cas-541-73-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fcda9e4e-10a3-44fe-94f3-c921d543ab47.jpg?v=1761265748</image:loc>
      <image:title>*m-Dichlorobenzene, 100 µg/mL in MeOH, CAS # 541-73-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dichlorobenzene-100-ug-ml-in-methanol-cas-106-46-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_724fa717-c493-4384-8be5-0e152d185f41.jpg?v=1761265752</image:loc>
      <image:title>*p-Dichlorobenzene, 100 µg/mL in MeOH, CAS # 106-46-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-dichlorobenzidine-100-ug-ml-in-methanol-cas-91-94-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_02cdf3c7-47eb-4a9c-880b-bf1e706e06f3.jpg?v=1761265755</image:loc>
      <image:title>*3,3&apos;-Dichlorobenzidine, 100 µg/mL in MeOH, CAS # 91-94-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-1-4-dichloro-2-butene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_003d901d-20f4-4ff6-b455-c81690e8cc1a.jpg?v=1761265758</image:loc>
      <image:title>*trans-1,4-Dichloro-2-butene, 100 µg/mL in MeOH, CAS # 110-57-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-1-4-dichloro-2-butene-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_412db618-fc6f-4418-b35d-bb2060486ccf.jpg?v=1761265762</image:loc>
      <image:title>*trans-1,4-Dichloro-2-butene, 2.0 mg/mL in MeOH, CAS # 110-57-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorodifluoromethane-100-ug-ml-in-methanol-cas-75-71-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ba2db6ee-5d36-4f99-aed8-56482d5242e9.jpg?v=1761265766</image:loc>
      <image:title>*Dichlorodifluoromethane, 100 µg/mL in MeOH, CAS # 75-71-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-dichloroethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a2c0d4b-1c1e-457d-9ca5-a375f52bbfbd.jpg?v=1761265770</image:loc>
      <image:title>*1,1-Dichloroethane, 100 µg/mL in MeOH, CAS # 75-34-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichloroethane-100-ug-ml-in-methanol-cas-107-06-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_016a351c-d9ff-424e-a2cf-647189fa2364.jpg?v=1761265773</image:loc>
      <image:title>*1,2-Dichloroethane, 100 µg/mL in MeOH, CAS # 107-06-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-dichloroethene-100-ug-ml-in-methanol-cas-75-35-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fa373ce8-d835-4652-a9a2-c4deecb35fe4.jpg?v=1761265777</image:loc>
      <image:title>*1,1-Dichloroethene, 100 µg/mL in MeOH, CAS # 75-35-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-1-2-dichloroethene-100-ug-ml-in-methanol-cas-156-60-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d6c366c2-a8ef-4838-8efe-d507f925acef.jpg?v=1761265780</image:loc>
      <image:title>*trans-1,2-Dichloroethene, 100 µg/mL in MeOH, CAS # 156-60-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichloromethane-100-ug-ml-in-methanol-cas-75-09-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f6f888a0-b060-4399-8d1b-a26bce368142.jpg?v=1761265784</image:loc>
      <image:title>*Dichloromethane, 100 µg/mL in MeOH,  CAS # 75-09-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenol-100-ug-ml-in-methanol-cas-120-83-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_62468e6c-317b-429b-aac2-9a202c05a98e.jpg?v=1761265787</image:loc>
      <image:title>*2,4-Dichlorophenol, 100 µg/mL in MeOH, CAS # 120-83-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenol-5-0-mg-ml-in-methanol-app-9-075-50x-cas-120-83-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_98b70f7f-0451-4bf7-89cd-5cfb06317fda.jpg?v=1761265791</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-100-ug-ml-in-dichloromethane-cas-87-65-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ef6ec888-59ae-48f5-82b6-0174c0393116.jpg?v=1761265795</image:loc>
      <image:title>*2,6-Dichlorophenol, 100 µg/mL in Dichloromethane, CAS # 87-65-0, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_74a560ea-7f3b-4574-82aa-22d53210dd8e.jpg?v=1761265798</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/1-2-dichloropropane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4d4f3ab2-8bb0-46fa-b79b-a8286a0e9e2e.jpg?v=1761265802</image:loc>
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  <url>
    <loc>https://chromspec.com/products/cis-1-3-dichloropropene-100-ug-ml-in-methanol-cas-10061-01-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_02efe9b8-6a2b-48c0-aa2d-9cdd060d2c8d.jpg?v=1761265806</image:loc>
      <image:title>*cis-1,3-Dichloropropene, 100 µg/mL in Methanol, CAS # 10061-01-5, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/trans-1-3-dichloropropene-100-ug-ml-in-methanol-cas-10061-02-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0a495f82-4df6-484f-9b91-55fbad156206.jpg?v=1761265809</image:loc>
      <image:title>*trans-1,3-Dichloropropene, 100 µg/mL in MeOH, CAS # 10061-02-6, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/dieldrin-100-ug-ml-in-methanol-app-9-080-cas-60-57-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9865a3f3-624b-4d69-ab31-9e5de84cdf38.jpg?v=1761265813</image:loc>
      <image:title>*Dieldrin, 100 µg/mL in Methanol, CAS # 60-57-1, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-100-ug-ml-in-methanol-app-9-081-cas-84-66-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a5256826-6da0-4a88-9881-29308f687ecf.jpg?v=1761265817</image:loc>
      <image:title>*Diethyl phthalate, 100 µg/mL in Methanol,  CAS # 84-66-2, 1 mL</image:title>
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  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-1000-ug-ml-in-methanol-cas-84-66-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58505280-37c3-4ce3-9af5-ba75d215c445.jpg?v=1761265820</image:loc>
      <image:title>*Diethyl phthalate, 1000 µg/mL in Methanol, CAS # 84-66-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethoate-100-ug-ml-in-methanol-app-9-082-cas-60-51-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b75b9fd4-135b-49f8-ad32-f5ee5b92ed9e.jpg?v=1761265824</image:loc>
      <image:title>*Dimethoate, 100 µg/mL in MeOH, CAS # 60-51-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-dimethylaminoazobenzene-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e3924979-870d-4993-9c5e-e533267c2756.jpg?v=1761265828</image:loc>
      <image:title>*4-Dimethylaminoazobenzene, 100 µg/mL in Dichloromethane, CAS # 60-11-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-12-dimethylbenzaanthracene-100-ug-ml-in-dichloromethane-cas-57-97-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_94c4027e-529e-4c95-809d-85a21e04a0f4.jpg?v=1761265832</image:loc>
      <image:title>*7,12-Dimethylbenz(a)anthracene, 100 µg/mL in Dichloromethane, CAS # 57-97-6, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-dimethylbenzidine-100-ug-ml-in-dichloromethane-cas-119-93-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_29d6d69e-c254-454c-afaf-95f472746d27.jpg?v=1761265835</image:loc>
      <image:title>*3,3&apos;-Dimethylbenzidine, 100 µg/mL in Dichloromethane, CAS # 119-93-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-dimethylbenzidine-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e28920c9-efc5-4544-ac19-45a32aaf897e.jpg?v=1761265839</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-a-dimethylphenethylamine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b7194367-5fae-41c4-9e1a-d0bb47a45262.jpg?v=1761265843</image:loc>
      <image:title>*a,a-Dimethylphenethylamine, 100 µg/mL in Dichloromethane, CAS # 122-09-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-a-dimethylphenethylamine-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fd51ed3d-114a-490c-b212-0f8de93b07c2.jpg?v=1761265846</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dimethylphenol-100-ug-ml-in-methanol-cas-105-67-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c49f77d-742d-4f6b-b46f-e4fe385e51ea.jpg?v=1761265674</image:loc>
      <image:title>*2,4-Dimethylphenol, 100 µg/mL in MeOH, CAS # 105-67-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dimethylphenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23254007-f668-4fc4-81e9-93a6c4b51bd8.jpg?v=1761265678</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-100-ug-ml-in-methanol-cas-131-11-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_63264c40-4a5f-451f-9cde-34811f298f59.jpg?v=1761265681</image:loc>
      <image:title>*Dimethyl phthalate, 100 µg/mL in MeOH, CAS # 131-11-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-1000-ug-ml-in-methanol-cas-131-11-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8dc85370-5eba-4aa0-a732-c71eb75cc46c.jpg?v=1761265684</image:loc>
      <image:title>*Dimethyl phthalate, 1000 µg/mL in Methanol, CAS # 131-11-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-dinitrobenzene-100-ug-ml-in-dichloromethane-cas-99-65-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6dbadcc8-3c33-4124-a7b6-054ae80acf6a.jpg?v=1761265688</image:loc>
      <image:title>*m-Dinitrobenzene, 100 µg/mL in Dichloromethane, CAS # 99-65-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-dinitrobenzene-1000-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c949a2a9-60f9-4dc8-af8b-b6a3323c5fba.jpg?v=1761265692</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-6-dinitro-o-cresol-100-ug-ml-in-methanol-cas-534-52-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_efc8d0fa-ad38-4942-8b61-84bdef06222b.jpg?v=1761265695</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-6-dinitro-o-cresol-1000-ug-ml-in-methanol-cas-534-52-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bd22b1ba-fb29-468e-b83e-6747fe5ade38.jpg?v=1761265699</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrophenol-100-ug-ml-in-methanol-cas-51-28-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_624fde1e-e85e-454c-8430-5c925eb4a3fd.jpg?v=1761265702</image:loc>
      <image:title>*2,4-Dinitrophenol, 100 µg/mL in MeOH, CAS # 51-28-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrophenol-1000-ug-ml-in-methanol-cas-51-28-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1eed2785-dfba-4c16-b5c8-69d384d92ad8.jpg?v=1761265706</image:loc>
      <image:title>*2,4-Dinitrophenol, 1000 µg/mL in MeOH, CAS # 51-28-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrophenol-5-0-mg-ml-in-methanol-app-9-091-50x-cas-51-28-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_736eec44-1e98-4bfa-93ab-855e3315efc3.jpg?v=1761265710</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrotoluene-100-ug-ml-in-methanol-cas-121-14-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a00b0acd-75eb-4469-adf9-a47d4eb87334.jpg?v=1761265713</image:loc>
      <image:title>*2,4-Dinitrotoluene, 100 µg/mL in MeOH, CAS # 121-14-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrotoluene-1000-ug-ml-in-methanol-cas-121-14-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f0d6d272-436e-466d-94c9-2896d5b8228d.jpg?v=1761265717</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dinitrotoluene-100-ug-ml-in-methanol-cas-606-20-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2b505733-7c87-4190-bd33-290e5bacd31d.jpg?v=1761265720</image:loc>
      <image:title>*2,6-Dinitrotoluene, 100 µg/mL in MeOH, CAS # 606-20-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dinitrotoluene-1000ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a9916ba8-194c-4f26-a071-fb6f607ac989.jpg?v=1761265724</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dinoseb-100-ug-ml-in-methanol-app-9-094-cas-88-85-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_873fc91d-dcbf-40ef-b7a4-b9a30fdd444a.jpg?v=1761265727</image:loc>
      <image:title>*Dinoseb, 100 µg/mL in MeOH, CAS # 88-85-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-octyl-phthalate-100-ug-ml-in-methanol-app-9-095-cas-117-84-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c65723dd-d144-4c57-8422-1ee65748f285.jpg?v=1761265731</image:loc>
      <image:title>*Di-n-octyl Phthalate, 100 µg/mL in MeOH,  CAS # 117-84-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dioxane-100-ug-ml-in-methanol-cas-123-91-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2d510fdc-d995-450a-b4bc-d21b38417ebb.jpg?v=1761265735</image:loc>
      <image:title>*p-Dioxane, 100 µg/mL in MeOH, CAS # 123-91-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dioxane-1000-ug-ml-in-methanol-cas-123-91-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/diphenylamine-100-ug-ml-in-dichloromethane-cas-122-39-4</loc>
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    <loc>https://chromspec.com/products/diphenylamine-1000ug-ml-in-acetone</loc>
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  <url>
    <loc>https://chromspec.com/products/disulfoton-100-ug-ml-in-methanol-app-9-098-cas-298-04-4-1-ml</loc>
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    <loc>https://chromspec.com/products/endosulfan-i-100-ug-ml-in-methanol-app-9-099-cas-959-98-8-1-ml</loc>
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    <loc>https://chromspec.com/products/endosulfan-ii-100-ug-ml-in-methanol-app-9-100-cas-33213-65-9-1-ml</loc>
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  <url>
    <loc>https://chromspec.com/products/endosulfan-sulfate-100-ug-ml-in-methanol-app-9-101-cas-1031-07-8-1-ml</loc>
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  <url>
    <loc>https://chromspec.com/products/endrin-100-ug-ml-in-methanol-app-9-102-cas-72-20-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/endrin-aldehyde-100-ug-ml-in-methanol-app-9-103-cas-7421-93-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/ethylbenzene-100-ug-ml-in-methanol-cas-100-41-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/ethyl-methacrylate-100-ug-ml-in-methanol-cas-97-63-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/ethyl-methanesulfonate-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*Ethyl Methanesulfonate, 100 µg/mL in Dichloromethane, CAS # 62-50-0, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/famphur-100-ug-ml-in-methanol-cas-52-85-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/fluoranthene-100-ug-ml-in-methanol-cas-206-44-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/fluoranthene-cas-206-44-0-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/fluorene-100-ug-ml-in-methanol-cas-86-73-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/fluorene-cas-86-73-7-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/heptachlor-100-ug-ml-in-methanol-app-9-110-cas-76-44-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/heptachlor-epoxide-isomer-b-100-ug-ml-in-methanol-app-9-111-cas-1024-57-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*Heptachlor epoxide (Isomer B), 100 µg/mL in Methanol, CAS # 1024-57-3, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-100-ug-ml-in-methanol-cas-118-74-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*Hexachlorobenzene, 100 µg/mL in Methanol, CAS # 118-74-1, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-standard-1000-ug-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-2-0-mg-ml-in-dichloromethane-cas-118-74-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/hexachlorobutadiene-100-ug-ml-in-methanol-cas-87-68-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/hexachlorocyclopentadiene-100-ug-ml-in-methanol-cas-77-47-4-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:title>*Hexachlorocyclopentadiene, 100 µg/mL in Methanol, CAS # 77-47-4, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/hexachlorocyclopentadiene-1000-ug-ml-in-methanol-app-9-114-10x-cas-77-47-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/hexachloroethane-100-ug-ml-in-methanol-cas-67-72-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:title>*Hexachloroethane, 100 µg/mL in MeOH, CAS # 67-72-1, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/hexachlorophene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*Hexachlorophene, 100 µg/mL in MeOH, CAS # 70-30-4, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/hexachlorophene-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/hexachloropropene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0bff5a12-7fa6-48a7-98de-7b470ec92f31.jpg?v=1761265839</image:loc>
      <image:title>*Hexachloropropene, 100 µg/mL in MeOH, CAS # 1888-71-7, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/2-hexanone-100-ug-ml-in-methanol-cas-591-78-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b805c829-8e84-4864-95a4-620e60b850fa.jpg?v=1761265843</image:loc>
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  <url>
    <loc>https://chromspec.com/products/2-hexanone-2-0-mg-ml-in-methanol-cas-591-78-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/indeno1-2-3-cdpyrene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e9f0558a-68f3-4a17-bb49-aa8819a7e148.jpg?v=1761265850</image:loc>
      <image:title>*Indeno(1,2,3-cd)pyrene, 100 µg/mL in MeOH, CAS # 193-39-5, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/isobutyl-alcohol-100-ug-ml-in-methanol-cas-78-83-1</loc>
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      <image:title>*Isobutyl Alcohol, 100 µg/mL in MeOH, CAS # 78-83-1, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/isobutyl-alcohol-2-0-mg-ml-in-methanol-cas-78-83-1</loc>
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  <url>
    <loc>https://chromspec.com/products/isodrin-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:title>*Isodrin, 100 µg/mL in Methanol, CAS # 465-73-6, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/isodrin-1000-ug-ml-in-meoh</loc>
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  <url>
    <loc>https://chromspec.com/products/isophorone-100-ug-ml-in-methanol-cas-78-59-1</loc>
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  <url>
    <loc>https://chromspec.com/products/isophorone-1000-ug-ml-in-methanol-app-9-122-10x-cas-78-59-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/isosafrole-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a7f5b81-468f-4d1c-ba73-545cda1fe58d.jpg?v=1761265874</image:loc>
      <image:title>*Isosafrole, 100 µg/mL in Dichloromethane, CAS # 120-58-1, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/kepone-100-ug-ml-in-methanol-app-9-124-cas-143-50-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_18469315-8b13-461a-bb93-8903265b31f5.jpg?v=1761265877</image:loc>
      <image:title>*Kepone, 100 µg/mL in MeOH, CAS # 143-50-0, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/methacrylonitrile-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5125b66b-8e6a-488a-9530-49c7bf1097af.jpg?v=1761265881</image:loc>
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  <url>
    <loc>https://chromspec.com/products/methoxychlor-100-ug-ml-in-methanol-app-9-127-cas-72-43-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_63748d83-5ab1-444e-8e3a-939c34e43b6a.jpg?v=1761265885</image:loc>
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  <url>
    <loc>https://chromspec.com/products/3-methylcholanthrene-100-ug-ml-in-dichloromethane-cas-56-49-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1aebb1fb-817a-48fb-9691-fdae13fa0de2.jpg?v=1761265889</image:loc>
      <image:title>*3-Methylcholanthren, 100 µg/mL in Dichloromethane, CAS # 56-49-5, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/methyl-ethyl-ketone-100-ug-ml-in-methanol-cas-78-93-3-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a69de346-18bb-4053-aab9-be7845091943.jpg?v=1761265892</image:loc>
      <image:title>*Methyl ethyl ketone, 100 µg/mL in MeOH, CAS # 78-93-3, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/methyl-ethyl-ketone-1000-ug-ml-in-methanol-cas-78-93-3-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f273778-e1dd-428c-b24a-0d93858ea9b7.jpg?v=1761265896</image:loc>
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  <url>
    <loc>https://chromspec.com/products/methyl-ethyl-ketone-2-0-mg-ml-in-methanol-cas-78-93-3-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5bb4696c-1896-4049-9ffa-d2d9aaba7220.jpg?v=1761265900</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/methyl-iodide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e4b9ad76-74c5-40c5-8cad-f30d454afa32.jpg?v=1761265903</image:loc>
      <image:title>*Methyl iodide, 100 µg/mL in MeOH, CAS # 74-88-4, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/methyl-iodide-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_87b72fb0-ac08-40aa-85f7-0eeb8f024be1.jpg?v=1761265907</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-100-ug-ml-in-methanol-cas-80-62-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b63b0564-7a15-44a3-a708-97c2b0909952.jpg?v=1761265910</image:loc>
      <image:title>*Methyl methacrylate, 100 µg/mL in MeOH, CAS # 80-62-6, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://chromspec.com/products/methyl-methanesulfonate-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bbced367-d5a7-4542-a9c5-a4e5e6872dd6.jpg?v=1761265917</image:loc>
      <image:title>*Methyl methanesulfonate, 100 µg/mL in Dichloromethane, CAS # 66-27-3, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-methylnaphthalene-100-ug-ml-in-dichloromethane-cas-91-57-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bf9f5e04-e4c2-4f26-ae1b-8908621988ba.jpg?v=1761265921</image:loc>
      <image:title>*2-Methylnaphthalene, 100 µg/mL in Dichloromethane, CAS # 91-57-6, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-methylnaphthalene-2-0-mg-ml-in-dichloromethane-cas-91-57-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/methyl-parathion-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0e13fc03-0866-45e4-8524-238bda57732e.jpg?v=1761265928</image:loc>
      <image:title>*Methyl parathion, 100 µg/mL in MeOH, CAS # 298-00-0, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/4-methyl-2-pentanone-100-ug-ml-in-methanol-cas-108-10-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*4-Methyl-2-pentanone, 100 µg/mL in Methanol, CAS # 108-10-1, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/4-methyl-2-pentanone-2-0-mg-ml-in-methanol-cas-108-10-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/naphthalene-100-ug-ml-in-dichloromethane-cas-91-20-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b1fa8ff7-3ebf-4547-b4a1-5a268a6ddb1b.jpg?v=1761265938</image:loc>
      <image:title>*Naphthalene, 100 µg/mL in Dichloromethane, CAS # 91-20-3, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/1-4-naphthoquinone-100-ug-ml-in-dichloromethane-cas-130-15-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6975f1b5-64e9-4388-acec-978e21fe651c.jpg?v=1761265942</image:loc>
      <image:title>*1,4-Naphthoquinone, 100 µg/mL in Dichloromethane, CAS # 130-15-4, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/1-naphthylamine-100-ug-ml-in-dichloromethane-cas-134-32-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:title>*1-Naphthylamine, 100 µg/mL in Dichloromethane, CAS # 134-32-7, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-naphthylamine-100-ug-ml-in-dichloromethane-cas-91-59-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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  <url>
    <loc>https://chromspec.com/products/o-nitroaniline-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*o-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 88-74-4, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/m-nitroaniline-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/p-nitroaniline-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:title>*p-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 100-01-6, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/nitrobenzene-100-ug-ml-in-methanol-cas-98-95-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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    <loc>https://chromspec.com/products/nitrobenzene-1000-ug-ml-in-methanol-cas-98-95-3</loc>
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    <loc>https://chromspec.com/products/2-3-7-8-tetrachlorodibenzofuran-5-0-ug-ml-in-toluene</loc>
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    <loc>https://chromspec.com/products/1-2-3-7-8-pentachlorodibenzofuran-5-0-ug-ml-in-toluene</loc>
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  <url>
    <loc>https://chromspec.com/products/pentachlorobenzene-100-ug-ml-in-methanol-cas-608-93-5</loc>
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    <loc>https://chromspec.com/products/pentachloroethane-100-ug-ml-in-methanol-cas-76-01-7-1-ml</loc>
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    <loc>https://chromspec.com/products/pentachloronitrobenzene-100-ug-ml-in-methanol-app-9-175-cas-82-68-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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    <loc>https://chromspec.com/products/pentachloronitrobenzene-standard-1000-ug-ml-in-methanol-app-9-175-10x-cas-82-68-8-1-ml</loc>
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    <loc>https://chromspec.com/products/pentachlorophenol-100-ug-ml-in-methanol-cas-87-86-5</loc>
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    <loc>https://chromspec.com/products/phenacetin-100-ug-ml-in-dichloromethane</loc>
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    <loc>https://chromspec.com/products/phenacetin-1000-ug-ml-in-dichloromethane</loc>
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    <loc>https://chromspec.com/products/phenanthrene-100-ug-ml-in-methanol-cas-85-01-8</loc>
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    <loc>https://chromspec.com/products/phenanthrene-in-dichloromethane-2-0-mg-ml-in-dichloromethane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/phenol-100-ug-ml-in-dichloromethane-cas-108-95-2</loc>
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    <loc>https://chromspec.com/products/phenol-2-0-mg-ml-in-dichloromethane-cas-108-95-2</loc>
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    <loc>https://chromspec.com/products/phorate-100-ug-ml-in-methanol-cas-298-02-2</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1e076a6e-9094-4385-b211-de1ee04bcdba.jpg?v=1761266022</image:loc>
      <image:title>*2-Picoline, 100 µg/mL in MeOH, CAS # 109-06-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pronamide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b5f718a4-4a44-49e2-b324-3170611901a1.jpg?v=1761266026</image:loc>
      <image:title>*Pronamide, 100 µg/mL in MeOH, CAS # 23950-58-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionitrile-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fcab7155-fa4e-471c-ba68-5b894421bee0.jpg?v=1761266029</image:loc>
      <image:title>*Propionitrile, 100 µg/mL in MeOH, CAS # 107-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrene-100-ug-ml-in-methanol-cas-129-00-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_55f8cddc-0cb1-4193-9ab5-6ee86e4d5751.jpg?v=1761266033</image:loc>
      <image:title>*Pyrene, 100 µg/mL in MeOH, CAS # 129-00-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrene-1000-ug-ml-in-methanol-cas-129-00-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_65635e07-9e9b-4f9c-a7f9-0a319c3bf390.jpg?v=1761266033</image:loc>
      <image:title>*Pyrene, 1000 µg/mL in MeOH, CAS # 129-00-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-100-ug-ml-in-dichloromethane-cas-110-86-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c9c996ef-bde4-4c45-bb5a-9f03c7893eaf.jpg?v=1761266036</image:loc>
      <image:title>*Pyridine, 100 µg/mL in Dichloromethane, CAS # 110-86-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_19eed3e6-9fec-40eb-a327-3c8afc305d84.jpg?v=1761266040</image:loc>
      <image:title>*Pyridine, 2.0 mg/mL in Dichloromethane, CAS # 110-86-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5413e9b9-d979-4ed5-a3c5-75cf92970736.jpg?v=1761266044</image:loc>
      <image:title>*Pyridine, 100 µg/mL in MeOH, CAS # 110-86-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-2-0-mg-ml-in-methanol-cas-110-86-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ba039dc-edfb-4e18-92df-7defa3378850.jpg?v=1761266048</image:loc>
      <image:title>*Pyridine, 2.0 mg/mL in MeOH, CAS # 110-86-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/safrole-100-ug-ml-in-methanol-cas-94-59-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_65993a52-e50b-40a7-b3e9-67cba0b4f16e.jpg?v=1761266051</image:loc>
      <image:title>*Safrole, 100 µg/mL in MeOH, CAS # 94-59-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silvex-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9b43c926-2e76-446a-a0a1-def2866d116b.jpg?v=1761266055</image:loc>
      <image:title>*Silvex, 100 µg/mL in MeOH, CAS # 93-72-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/styrene-100-ug-ml-in-methanol-cas-100-42-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a6da86bf-a5d3-41db-a27f-bf26176da735.jpg?v=1761266058</image:loc>
      <image:title>*Styrene, 100 µg/mL in MeOH, CAS # 100-42-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-t-acid-100-ug-ml-in-methanol-app-9-190-cas-93-76-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0c376ce9-551c-4d6f-92c8-37364eb6206c.jpg?v=1761266062</image:loc>
      <image:title>*2,4,5-T Acid, 100 µg/mL in MeOH, CAS # 93-76-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-5-tetrachlorobenzene-100-ug-ml-in-methanol-cas-95-94-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_863a127d-b360-4d36-ab9d-7335e186e0fe.jpg?v=1761266066</image:loc>
      <image:title>*1,2,4,5-Tetrachlorobenzene, 100 µg/mL in MeOH, CAS # 95-94-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-5-tetrachlorobenzene-1000-ug-ml-in-methanol-cas-95-94-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_85e9472b-0e2e-4a3e-9eb6-32d811fae16f.jpg?v=1761266069</image:loc>
      <image:title>*1,2,4,5-Tetrachlorobenzene, 1000 µg/mL in MeOH, CAS # 95-94-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-2-tetrachloroethane-100-ug-ml-in-methanol-cas-630-20-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f14eb3ad-7a96-4d05-8dd0-085712e953b0.jpg?v=1761266073</image:loc>
      <image:title>*1,1,1,2-Tetrachloroethane, 100 µg/mL in MeOH, CAS # 630-20-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-2-2-tetrachloroethane-100-ug-ml-in-methanol-cas-79-34-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_04f0ecf7-b18c-4b34-93db-92b1dc4a8908.jpg?v=1761266076</image:loc>
      <image:title>*1,1,2,2-Tetrachloroethane, 100 µg/mL in MeOH, CAS # 79-34-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachloroethene-100-ug-ml-in-methanol-cas-127-18-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_11b18043-00b2-4614-8962-b5183c2c0268.jpg?v=1761266080</image:loc>
      <image:title>*Tetrachloroethene, 100 µg/mL in MeOH, CAS # 127-18-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-6-tetrachlorophenol-100-ug-ml-in-methanol-cas-58-90-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0ea0bde4-22de-4134-9900-b7526023bc51.jpg?v=1761266083</image:loc>
      <image:title>*2,3,4,6-Tetrachlorophenol, 100 µg/mL in MeOH, CAS # 58-90-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thionazin-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2ee262a8-001f-4aa5-a13d-5e91b3c180c9.jpg?v=1761266087</image:loc>
      <image:title>*Thionazin, 100 µg/mL in MeOH, CAS # 297-97-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toluene-100-ug-ml-in-methanol-cas-108-88-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b59ce48a-d613-43e5-bfa6-1a6d3dd724d5.jpg?v=1761266090</image:loc>
      <image:title>*Toluene, 100 µg/mL in MeOH, CAS # 108-88-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-toluidine-100-ug-ml-in-methanol-cas-95-53-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2dd7153f-6613-40e8-b713-a6e10127679e.jpg?v=1761266094</image:loc>
      <image:title>*o-Toluidine, 100 µg/mL in MeOH, CAS # 95-53-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toxaphene-100-ug-ml-in-methanol-app-9-200-cas-8001-35-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec5bd243-44cf-4975-9b5a-0e2295129d7c.jpg?v=1761266097</image:loc>
      <image:title>*Toxaphene, 100 µg/mL in MeOH, CAS # 8001-35-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-trichlorobenzene-100-ug-ml-in-methanol-cas-120-82-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9f1667f0-d85b-45d9-aa48-a1128ae5f1ad.jpg?v=1761266101</image:loc>
      <image:title>*1,2,4-Trichlorobenzene, 100 µg/mL in Methanol, CAS # 120-82-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-trichloroethane-100-ug-ml-in-methanol-app-9-202-cas-71-55-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b61368b-e1c3-4205-8e3a-1046ddd210c4.jpg?v=1761266105</image:loc>
      <image:title>*1,1,1-Trichloroethane, 100 µg/mL in MeOH,  CAS # 71-55-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-2-trichloroethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f917237-c2ae-4823-8699-e61c67ff7642.jpg?v=1761266108</image:loc>
      <image:title>*1,1,2-Trichloroethane, 100 µg/mL in MeOH, CAS # 79-00-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichloroethene-100-ug-ml-in-methanol-app-9-204-cas-79-01-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f44094bf-0fa5-47d3-8ad8-7b1134412122.jpg?v=1761266112</image:loc>
      <image:title>*Trichloroethene, 100 µg/mL in Methanol,  CAS # 79-01-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichlorofluoromethane-freon-11-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3fde8635-03d8-4827-800c-4b30340deddc.jpg?v=1761266116</image:loc>
      <image:title>*Trichlorofluoromethane (Freon #11), 100 µg/mL in MeOH, CAS # 75-69-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-trichlorophenol-100-ug-ml-in-methanol-cas-95-95-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f50fe224-041d-4ba9-bbc0-9b20f095ec24.jpg?v=1761266119</image:loc>
      <image:title>*2,4,5-Trichlorophenol, 100 µg/mL in MeOH, CAS # 95-95-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenol-100-ug-ml-in-methanol-cas-88-06-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_02bf7d6f-5865-496b-ae3f-7d34a874f735.jpg?v=1761266123</image:loc>
      <image:title>*2,4,6-Trichlorophenol, 100 µg/mL in MeOH, CAS # 88-06-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenol-5-0-mg-ml-in-methanol-app-9-207-50x-cas-88-06-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5c8e7f68-84d3-4318-9169-5ec107c69a48.jpg?v=1761266127</image:loc>
      <image:title>*2,4,6-Trichlorophenol, 5.0 mg/mL in MeOH, CAS # 88-06-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichloropropane-100-ug-ml-in-methanol-cas-96-18-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_153c412b-2b21-42c9-9344-d18e26897f3c.jpg?v=1761266130</image:loc>
      <image:title>*1,2,3-Trichloropropane, 100 µg/mL in MeOH, CAS # 96-18-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichloropropane-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_43284f52-e97a-46dc-9fbb-76bb8d79358e.jpg?v=1761266134</image:loc>
      <image:title>*1,2,3-Trichloropropane, 1000 µg/mL in MeOH, CAS # 96-18-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichloropropane-1000-ug-ml-in-methanol-cas-96-18-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f6be0d94-6cf7-4e87-9ca0-ee9778c71e75.jpg?v=1761266138</image:loc>
      <image:title>*1,2,3-Trichloropropane, 1000 µg/mL in MeOH, CAS # 96-18-4, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-o-o-triethylphosphorothioate-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_50d63feb-dd65-47c8-a76d-850a892e95b4.jpg?v=1761266141</image:loc>
      <image:title>*O,O,O-Triethylphosphorothioate, 100 µg/mL in MeOH, CAS # 126-68-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trinitrobenzene-100-ug-ml-in-methanol-cas-99-35-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6beda3a7-72a9-4b4d-935b-90f09e8cb92d.jpg?v=1761266145</image:loc>
      <image:title>*1,3,5-Trinitrobenzene, 100 µg/mL in MeOH, CAS # 99-35-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trinitrobenzene-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5d3c3a10-46e0-4f02-a199-ab3d54e77005.jpg?v=1761266148</image:loc>
      <image:title>*1,3,5-Trinitrobenzene, 2.0 mg/mL in Dichloromethane, CAS # 99-35-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vinyl-acetate-100-ug-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e5b6a4c-bdc7-4502-944d-7b4dd3b965e1.jpg?v=1761266151</image:loc>
      <image:title>***Vinyl acetate, 100 µg/mL in Methanol, CAS # 108-05-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vinyl-acetate-2-0-mg-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_142bc0ac-32c3-4ad2-9cf4-61a59244330c.jpg?v=1761266155</image:loc>
      <image:title>***Vinyl acetate, 2.0 mg/mL in MeOH, CAS # 108-05-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vinyl-chloride-100-ug-ml-in-methanol-app-9-212-cas-75-01-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_622cad3a-ba4f-4a7a-a0b5-b379a6b360ff.jpg?v=1761266159</image:loc>
      <image:title>*Vinyl chloride, 100 µg/mL in MeOH,  CAS # 75-01-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/xylene-total-100-ug-ml-in-methanol-cas-1330-20-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8e631fb7-6577-4587-bfdd-f661411bcf92.jpg?v=1761266162</image:loc>
      <image:title>*Xylene (total), 100 µg/mL in Methanol (total), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dibromoethane-100-ug-ml-in-methanol-cas-106-93-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9c2b8e1d-d155-41df-aeed-f3177193340c.jpg?v=1761266166</image:loc>
      <image:title>*1,2-Dibromoethane, 100 µg/mL in MeOH, CAS # 106-93-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/appendix-ix-phthalate-mix-cyclohexane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_897a67e9-36aa-4fc6-b681-742edae6812b.jpg?v=1761266169</image:loc>
      <image:title>*Appendix IX Phthalate Mix, 1000 µg/mL in Cyclohexane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_038ffb73-0166-4773-8bce-9e9ca64141d7.jpg?v=1761266173</image:loc>
      <image:title>*Acenaphthene, 5.0 mg/mL in MeOH, CAS # 83-32-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrolein-5-0-mg-ml-in-para-dioxane-cas-107-02-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ba9f0358-69f9-4514-9fcd-c72c58debc01.jpg?v=1761266176</image:loc>
      <image:title>*Acrolein, 5.0 mg/mL in para-Dioxane, CAS # 107-02-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-10-mg-ml-in-methanol-cas-107-13-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8dc9d13d-c693-4b9d-99e9-ef7ea7d90620.jpg?v=1761266180</image:loc>
      <image:title>*Acrylonitrile, 10 mg/mL in MeOH, CAS # 107-13-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzene-1000-ug-ml-in-methanol-cas-71-43-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_77421ddc-330a-4d46-a352-fe731fcaade2.jpg?v=1761266183</image:loc>
      <image:title>*Benzene, 1000 µg/mL in MeOH, CAS # 71-43-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzidine-as-dihydrochloride-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2521e65d-22cd-43c2-a570-a492dfb99e52.jpg?v=1761266187</image:loc>
      <image:title>*Benzidine (as dihydrochloride), 1000 µg/mL in MeOH, CAS # 92-87-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzene-1000-ug-ml-in-methanol-cas-108-90-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f4072dd-91e6-417d-a1c4-37f749dc3525.jpg?v=1761266191</image:loc>
      <image:title>*Chlorobenzene, 1000 µg/mL in MeOH, CAS # 108-90-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-trichlorobenzene-1000-ug-ml-in-methanol-cas-120-82-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_68480c63-ea7b-403d-9325-2668b11c3820.jpg?v=1761266194</image:loc>
      <image:title>*1,2,4-Trichlorobenzene, 1000 µg/mL in Methanol, CAS # 120-82-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-1000-ug-ml-in-acetone-as-e0008-cas-118-74-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ee5145d4-53c8-4e0d-a014-0e2bcb6c0258.jpg?v=1761266198</image:loc>
      <image:title>*Hexachlorobenzene , 1000 µg/mL in Acetone, CAS # 118-74-1, AS-E0008, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichloroethane-1000-ug-ml-in-methanol-cas-107-06-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_456e215a-787f-4bd3-9edb-6151de81b444.jpg?v=1761266201</image:loc>
      <image:title>*1,2-Dichloroethane, 1000 µg/mL in MeOH, CAS # 107-06-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-trichloroethane-1000-ug-ml-in-methanol-cas-71-55-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2d41998d-e337-47a2-9b0c-92294d349dfc.jpg?v=1761266205</image:loc>
      <image:title>*1,1,1-Trichloroethane, 1000 µg/mL in MeOH, CAS # 71-55-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachloroethane-1000-ug-ml-in-methanol-cas-67-72-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e646401-06e2-4809-8963-57aaee6160ea.jpg?v=1761266208</image:loc>
      <image:title>*Hexachloroethane, 1000 µg/mL in MeOH, CAS # 67-72-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-dichloroethane-1000-ug-ml-in-methanol-cas-75-34-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_97b6457f-4912-4638-a59a-b12a0ccd8b03.jpg?v=1761266039</image:loc>
      <image:title>*1,1-Dichloroethane, 1000 µg/mL in MeOH, CAS # 75-34-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-2-trichloroethane-1000-ug-ml-in-methanol-cas-79-00-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1887c60b-8d87-4a25-80ba-421e0e9afede.jpg?v=1761266043</image:loc>
      <image:title>*1,1,2-Trichloroethane, 1000 µg/mL in MeOH, CAS # 79-00-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-2-2-tetrachloroethane-5-0-mg-ml-in-methanol-cas-79-34-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_19436d6f-cb54-4b2c-8373-95f91f0925da.jpg?v=1761266046</image:loc>
      <image:title>*1,1,2,2-Tetrachloroethane, 5.0 mg/mL in MeOH, CAS # 79-34-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroethane-1000-ug-ml-in-methanol-cas-75-00-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fab95a31-f6bb-4da0-a011-c826bcf1b97b.jpg?v=1761266050</image:loc>
      <image:title>*Chloroethane, 1000 µg/mL in MeOH, CAS # 75-00-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethylether-5-0-mg-ml-in-methanol-cas-111-44-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ef283eab-9d75-4806-b3f4-7264b330f063.jpg?v=1761266054</image:loc>
      <image:title>*bis(2-Chloroethyl)ether, 5.0 mg/mL in MeOH, CAS # 111-44-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloroethylvinyl-ether-1000-ug-ml-in-methanol-cas-110-75-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_62cad54d-e942-4a0c-92b8-81acf19f6bfa.jpg?v=1761266057</image:loc>
      <image:title>*2-Chloroethylvinyl ether, 1000 µg/mL in MeOH, CAS # 110-75-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloronaphthalene-5-0-mg-ml-in-methanol-cas-91-58-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_76ec6c60-9a48-4e9c-92e4-b1bc995ecdb8.jpg?v=1761266061</image:loc>
      <image:title>*2-Chloronaphthalene, 5.0 mg/mL in MeOH, CAS # 91-58-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenol-5-0-mg-ml-in-methanol-as-e0019-cas-88-06-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b2bde034-660e-413d-a0ad-5502c45b43d0.jpg?v=1761266064</image:loc>
      <image:title>*2,4,6-Trichlorophenol, 5.0 mg/mL in MeOH,  CAS # 88-06-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-chloro-m-cresol-4-chloro-3-methyl-phenol-5000-ug-ml-in-methanol-cas-59-50-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_942b25dd-89f1-4100-8ad2-7e930fae2c2b.jpg?v=1761266068</image:loc>
      <image:title>*p-Chloro-m-cresol (4-Chloro-3-methyl phenol), 5000 µg/mL in MeOH, CAS # 59-50-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-1000-ug-ml-in-methanol-cas-67-66-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ce59f9e7-42a3-4695-a892-1ee42ace6cf4.jpg?v=1761266071</image:loc>
      <image:title>*Chloroform, 1000 µg/mL in Methanol, CAS # 67-66-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-5-0-mg-ml-in-methanol-cas-95-57-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a70f101b-badf-4f09-9a11-78594ea7a8c1.jpg?v=1761266075</image:loc>
      <image:title>*2-Chlorophenol, 5.0 mg/mL in MeOH,  CAS # 95-57-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichlorobenzene-5-0-mg-ml-in-methanol-cas-95-50-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f41dc52e-a583-44d6-96e7-5c26334b7cb1.jpg?v=1761266079</image:loc>
      <image:title>*1,2-Dichlorobenzene, 5.0 mg/mL in MeOH, CAS # 95-50-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dichlorobenzene-5-0-mg-ml-in-methanol-cas-106-46-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2edf8fa1-224c-4a5c-a206-0d27e8ab2668.jpg?v=1761266082</image:loc>
      <image:title>*1,4-Dichlorobenzene, 5.0 mg/mL in MeOH, CAS # 106-46-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-dichlorobenzidine-1000-ug-ml-in-methanol-cas-91-94-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0bb2a392-e7ac-4d8b-bdf6-26a34b030ce7.jpg?v=1761266086</image:loc>
      <image:title>*3,3&apos;-Dichlorobenzidine, 1000 µg/mL in MeOH, CAS # 91-94-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-dichloroethylene-2-0-mg-ml-in-methanol-cas-75-35-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e224e96-bbe1-482a-872d-b24625518cd9.jpg?v=1761266089</image:loc>
      <image:title>*1,1-Dichloroethylene, 2.0 mg/mL in MeOH, CAS # 75-35-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-1-2-dichloroethylene-1000-ug-ml-in-methanol-cas-156-60-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e788ffbb-9032-4b96-a0de-3dd91e70bec3.jpg?v=1761266093</image:loc>
      <image:title>*trans-1,2-Dichloroethylene, 1000 µg/mL in Methanol, CAS # 156-60-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenol-5-0-mg-ml-in-methanol-as-e0029-cas-120-83-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cdac30c3-acf8-4fe8-971b-f3ead5b95436.jpg?v=1761266097</image:loc>
      <image:title>*2,4-Dichlorophenol, 5.0 mg/mL in MeOH,  CAS # 120-83-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichloropropane-1000-ug-ml-in-methanol-cas-78-87-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86b199f0-100c-4171-8f18-bf7a2493e83b.jpg?v=1761266101</image:loc>
      <image:title>*1,2-Dichloropropane, 1000 µg/mL in MeOH, CAS # 78-87-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrotoluene-5-0-mg-ml-in-methanol-cas-121-14-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4786473b-2a72-4277-b1b6-ee339ac1dd06.jpg?v=1761266105</image:loc>
      <image:title>*2,4-Dinitrotoluene, 5.0 mg/mL in MeOH, CAS # 121-14-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dinitrotoluene-5-0-mg-ml-in-methanol-cas-606-20-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c99865c-2f6a-4517-806c-3eab71d2b865.jpg?v=1761266108</image:loc>
      <image:title>*2,6-Dinitrotoluene, 5.0 mg/mL in MeOH, CAS # 606-20-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylbenzene-10-mg-ml-in-methanol-cas-100-41-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5f41ac53-c675-4b50-981d-cd68c4b42dc0.jpg?v=1761266112</image:loc>
      <image:title>*Ethylbenzene, 10 mg/mL in MeOH, CAS # 100-41-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluoranthene-5-0-mg-ml-in-methanol-cas-206-44-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ccbe285c-bc92-4cf3-83c3-02bfb8c1e9c7.jpg?v=1761266116</image:loc>
      <image:title>*Fluoranthene, 5.0 mg/mL in MeOH, CAS # 206-44-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenyl-phenyl-ether-5-0-mg-ml-in-methanol-cas-7005-72-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_76e0180e-7b74-438c-a24a-57609ac1efe4.jpg?v=1761266119</image:loc>
      <image:title>*4-Chlorophenyl phenyl ether, 5.0 mg/mL in MeOH, CAS # 7005-72-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-bromophenyl-phenyl-ether-5-0-mg-ml-in-methanol-cas-101-55-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_104aa021-dafc-4840-b1d3-41de06b9780c.jpg?v=1761266123</image:loc>
      <image:title>*4-Bromophenyl phenyl ether, 5.0 mg/mL in MeOH, CAS # 101-55-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroisopropylether-5-0-mg-ml-in-methanol-cas-108-60-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b7ed6652-6c88-4191-a24d-120bae3c35ab.jpg?v=1761266126</image:loc>
      <image:title>*bis(2-Chloro-1-methylethyl)ether, 5.0 mg/mL in MeOH, CAS # 108-60-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethoxymethane-5-0-mg-ml-in-methanol-cas-111-91-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a26d905c-da14-408b-8b6a-c0e1897d2665.jpg?v=1761266130</image:loc>
      <image:title>*bis(2-Chloroethoxy)methane, 5.0 mg/mL in MeOH, CAS # 111-91-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-chloride-1000-ug-ml-in-methanol-cas-75-09-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_80b63fc5-54af-4e13-9455-29f337ea9b10.jpg?v=1761266133</image:loc>
      <image:title>*Methylene chloride, 1000 µg/mL in MeOH, CAS # 75-09-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-chloride-5-0-mg-ml-in-methanol-cas-74-87-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_331df66d-265f-48e0-b112-72b455056f9d.jpg?v=1761266137</image:loc>
      <image:title>*Methyl chloride, 5.0 mg/mL in MeOH, CAS # 74-87-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-bromide-1000-ug-ml-in-acetonitrile-cas-74-83-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4aaeb2df-946b-4f45-916a-621407afda2e.jpg?v=1761266141</image:loc>
      <image:title>*Methyl bromide, 1000 µg/mL in Acetonitrile, CAS # 74-83-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorobromomethane-5-0-mg-ml-in-methanol-cas-75-27-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_da9f3cc6-a9d9-4d3f-8f6b-4ee5205edd16.jpg?v=1761266144</image:loc>
      <image:title>*Dichlorobromomethane, 5.0 mg/mL in MeOH, CAS # 75-27-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorotrichloromethane-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8f751a10-b492-4188-98ff-db72bb249c8a.jpg?v=1761266148</image:loc>
      <image:title>*Fluorotrichloromethane, 5.0 mg/mL in MeOH, CAS # 75-69-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobutadiene-5-0-mg-ml-in-methanol-cas-87-68-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6362a2ab-3f33-4d27-b8fe-7376f91dd2c4.jpg?v=1761266151</image:loc>
      <image:title>*Hexachlorobutadiene, 5.0 mg/mL in MeOH, CAS # 87-68-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorocyclopentadiene-1000-ug-ml-in-methanol-as-e0051-cas-77-47-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3ca8c101-18b6-4e29-8b96-d5f28269b97b.jpg?v=1761266155</image:loc>
      <image:title>*Hexachlorocyclopentadiene, 1000 µg/mL in MeOH,  CAS # 77-47-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isophorone-1000-ug-ml-in-methanol-as-e0052-cas-78-59-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_343db08d-e1f7-44bd-8a3a-06033f6e3a40.jpg?v=1761266159</image:loc>
      <image:title>*Isophorone, 1000 µg/mL in MeOH,  CAS # 78-59-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/naphthalene-1000-ug-ml-in-methanol-cas-91-20-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a74fad37-47ca-4a4f-927d-363f9fc3c828.jpg?v=1761266162</image:loc>
      <image:title>*Naphthalene, 1000 µg/mL in MeOH, CAS # 91-20-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrobenzene-5-0-mg-ml-in-methanol-cas-98-95-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_080e5b2a-25f1-430f-a6c8-55d083bacbf8.jpg?v=1761266166</image:loc>
      <image:title>*Nitrobenzene, 5.0 mg/mL in MeOH, CAS # 98-95-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-nitrophenol-5-0-mg-ml-in-methanol-cas-88-75-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c11e7af-2dc3-4bbd-b09c-64872e416b20.jpg?v=1761266170</image:loc>
      <image:title>*2-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 88-75-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-nitrophenol-5-0-mg-ml-in-methanol-cas-100-02-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6ef74206-7f41-475b-9153-e45ab319be97.jpg?v=1761266174</image:loc>
      <image:title>*4-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 100-02-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrophenol-5-0-mg-ml-in-methanol-as-e0057-cas-51-28-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c374177-0dcc-4db2-b008-a24f5edcad07.jpg?v=1761266178</image:loc>
      <image:title>*2,4-Dinitrophenol, 5.0 mg/mL in MeOH,  CAS # 51-28-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitrophenol-1000-ug-ml-in-methanol-as-e0057-1-cas-51-28-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58ed5206-5f6a-4165-bfc7-1e96131d868f.jpg?v=1761266182</image:loc>
      <image:title>*2,4-Dinitrophenol , 1000 µg/mL in MeOH, CAS # 51-28-5, AS-E0057-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-6-dinitro-o-cresol-5-0-mg-ml-in-methanol-cas-534-52-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_091362ac-d79d-423b-a0fb-b6d9114d673f.jpg?v=1761266185</image:loc>
      <image:title>*4,6-Dinitro-o-Cresol, 5.0 mg/mL in MeOH, CAS # 534-52-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodimethylamine-5-0-mg-ml-in-methanol-cas-62-75-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9d295ebe-86ee-4649-9425-61320fe1deeb.jpg?v=1761266189</image:loc>
      <image:title>*N-Nitrosodimethylamine (NDMA), 5.0 mg/mL in MeOH, CAS # 62-75-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiphenylamine-5-0-mg-ml-in-methanol-cas-86-30-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bb73910a-affc-499e-9a87-50cf45e4b086.jpg?v=1761266192</image:loc>
      <image:title>*N-Nitrosodiphenylamine, 5.0 mg/mL in Methanol, CAS # 86-30-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodi-n-propylamine-5-0-mg-ml-in-methanol-cas-621-64-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e053810-cb3c-4dc3-9b97-001142904a85.jpg?v=1761266196</image:loc>
      <image:title>*N-Nitrosodi-n-propylamine, 5.0 mg/mL in MeOH, CAS # 621-64-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-5-0-mg-ml-in-methanol-cas-87-86-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fe38de73-444c-4af8-89e8-ea2352627a4e.jpg?v=1761266200</image:loc>
      <image:title>*Pentachlorophenol, 5.0 mg/mL in MeOH, CAS # 87-86-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenol-5-0-mg-ml-in-methanol-cas-108-95-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fb7a5c4b-11b2-40f9-bf05-d1f1be55b268.jpg?v=1761266204</image:loc>
      <image:title>*Phenol, 5.0 mg/mL in MeOH, CAS # 108-95-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-ethylhexylphthalate-1000-ug-ml-in-methanol-cas-117-81-7-accustandard-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1a7b1ed5-ce3e-43c7-b7f4-85e8ec2aa7a9.jpg?v=1761266207</image:loc>
      <image:title>*bis(2-Ethylhexyl)phthalate, 1000 µg/mL in Methanol,  CAS # 117-81-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-butyl-phthalate-5-0-mg-ml-in-methanol-cas-85-68-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bc779c0e-9e61-45af-af67-b47b9500610a.jpg?v=1761266211</image:loc>
      <image:title>*Benzyl butyl phthalate, 5.0 mg/mL in MeOH, CAS # 85-68-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-5-0-mg-ml-in-methanol-cas-84-74-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e6895c2-5c4e-4fa8-b989-c16b580c523e.jpg?v=1761266214</image:loc>
      <image:title>*Di-n-butyl phthalate, 5.0 mg/mL in MeOH, CAS # 84-74-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-octyl-phthalate-5-0-mg-ml-in-methanol-cas-117-84-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d8548c48-2ce5-494c-b1fb-3ad2894c864c.jpg?v=1761266218</image:loc>
      <image:title>*Di-n-octyl phthalate, 5.0 mg/mL in MeOH, CAS # 117-84-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-5-0-mg-ml-in-methanol-cas-84-66-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d6df503-4639-43eb-bd04-8c8ccb2e40e7.jpg?v=1761266227</image:loc>
      <image:title>*Diethyl Phthalate, 5.0 mg/mL in MeOH, CAS # 84-66-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-5-0-mg-ml-in-methanol-cas-131-11-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_76dcec9d-8711-4ba6-99ac-25674f769c38.jpg?v=1761266231</image:loc>
      <image:title>*Dimethyl phthalate, 5.0 mg/mL in MeOH, CAS # 131-11-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaanthracene-1000-ug-ml-in-methanol-cas-56-55-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_46a5f97d-3128-4474-b1e1-249ae362ad63.jpg?v=1761266235</image:loc>
      <image:title>*Benz(a)anthracene, 1000 µg/mL in MeOH,  CAS # 56-55-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoapyrene-1000-ug-ml-in-acetone-cas-50-32-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9c9717de-fe77-43bc-b115-e39752bfd8ec.jpg?v=1761266238</image:loc>
      <image:title>*Benz[a]pyrene, 1000 µg/mL in Acetone, CAS # 50-32-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzobfluoranthene-2-5-mg-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c33a8f5c-f406-4643-b130-2d046e5990d3.jpg?v=1761266242</image:loc>
      <image:title>*Benzo(b)fluoranthene, 2.5 mg/mL in Acetone, CAS # 205-99-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzokfluoranthene-1000-ug-ml-in-acetone-cas-207-08-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0f8e267-98eb-4645-b64d-bb24d9e4aa0d.jpg?v=1761266245</image:loc>
      <image:title>*Benzo(k)fluoranthene, 1000 µg/mL in Acetone, CAS # 207-08-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-1000-ug-ml-in-acetone-cas-218-01-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f987ddd2-a991-4a84-ae1d-a4792ff78d02.jpg?v=1761266249</image:loc>
      <image:title>*Chrysene, 1000 µg/mL in Acetone, CAS # 218-01-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthylene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f1efd6be-89af-4c7e-bec7-795c8d37ac92.jpg?v=1761266253</image:loc>
      <image:title>*Acenaphthylene, 5.0 mg/mL in MeOH, CAS # 208-96-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-1000-ug-ml-in-acetone-cas-120-12-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f3512e9-c173-4280-ba7c-89eb6f39ff20.jpg?v=1761266256</image:loc>
      <image:title>*Anthracene, 1000 µg/mL in Acetone, CAS # 120-12-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzog-h-iperylene-1000-ug-ml-in-p-dioxane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c7bd93bf-e81d-4c68-a298-5abf4c477ce9.jpg?v=1761266260</image:loc>
      <image:title>*Benzo(g,h,i)perylene, 1000 µg/mL in p-Dioxane, CAS # 191-24-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58a3cfc2-10fa-4e1d-b428-62012b3d0f4e.jpg?v=1761266263</image:loc>
      <image:title>*Fluorene, 5.0 mg/mL in MeOH, CAS # 86-73-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenanthrene-5-0-mg-ml-in-methanol-cas-85-01-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c48cc243-6010-454b-a959-c61920c569af.jpg?v=1761266267</image:loc>
      <image:title>*Phenanthrene, 5.0 mg/mL in MeOH, CAS # 85-01-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/indeno1-2-3-cdpyrene-0-5-mg-ml-in-acetone-cas-193-39-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b1344d6a-a9bc-4fae-8c5d-7a64b78e2f70.jpg?v=1761266270</image:loc>
      <image:title>*Indeno(1,2,3-cd)pyrene, 0.5 mg/mL in Acetone, CAS # 193-39-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrene-5-0-mg-ml-in-methanol-cas-129-00-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_24107f3a-95d4-4f41-a42a-4c9817cc1917.jpg?v=1761266274</image:loc>
      <image:title>*Pyrene, 5.0 mg/mL in MeOH, CAS # 129-00-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachloroethylene-5-0-mg-ml-in-methanol-cas-127-18-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6b43b18-16ab-4bc4-8dc1-7cf896205926.jpg?v=1761266277</image:loc>
      <image:title>*Tetrachloroethylene, 5.0 mg/mL in MeOH, CAS # 127-18-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toluene-1000-ug-ml-in-methanol-cas-108-88-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_45e88a19-b2f9-4169-b2e4-d40501a03bfd.jpg?v=1761266280</image:loc>
      <image:title>*Toluene, 1000 µg/mL in MeOH, CAS # 108-88-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichloroethylene-1000-ug-ml-in-methanol-cas-79-01-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e80dc8d-ef0f-4638-95ad-d938bf3623d1.jpg?v=1761266284</image:loc>
      <image:title>*Trichloroethylene, 1000 µg/mL in MeOH, CAS # 79-01-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dieldrin-1000-ug-ml-in-methanol-as-e0088-cas-60-57-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bb934d9a-6154-451e-b6a6-7b0ccb2c6926.jpg?v=1761266287</image:loc>
      <image:title>*Dieldrin, 1000 µg/mL in Methanol, CAS # 60-57-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlordane-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9149d81a-4b45-42e3-9029-7258aa98ee28.jpg?v=1761266291</image:loc>
      <image:title>*Chlordane, 1000 µg/mL in MeOH, CAS # 12789-03-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-dde-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_49b9c9e1-fcdb-4d4d-81d6-72ef8a44e2cb.jpg?v=1761266295</image:loc>
      <image:title>*4,4&apos;-DDE, 1000 µg/mL in MeOH, CAS # 72-55-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-ddd-5-0-mg-ml-in-methanol-cas-72-54-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e33fc337-8526-42fb-aa68-0fabafb7843e.jpg?v=1761266298</image:loc>
      <image:title>*4,4&apos;-DDD, 5.0 mg/mL in MeOH, CAS # 72-54-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alpha-endosulfan-1000-ug-ml-in-p-dioxane-cas-959-98-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cbd204e6-57c3-45ce-ab62-9f1ab4037955.jpg?v=1761266302</image:loc>
      <image:title>*alpha-Endosulfan, 1000 µg/mL in p-Dioxane, CAS # 959-98-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/beta-endosulfan-1000-ug-ml-in-p-dioxane-cas-33213-65-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/endosulfan-sulfate-1000-ug-ml-in-meoh-cas-1031-07-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c1c8b4cb-6aa9-419e-97b7-3e0d3dfaecd7.jpg?v=1761266309</image:loc>
      <image:title>*Endosulfan sulfate, 1000 µg/mL in Methanol, CAS # 1031-07-8, 1 mL</image:title>
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  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-1000-ug-ml-in-methanol-as-e0096-cas-72-20-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bc5e182c-a41f-4f7c-9ab0-c886f67f2db2.jpg?v=1761266312</image:loc>
      <image:title>*Endrin, 1000 µg/mL in Methanol, CAS # 72-20-8, 1 mL</image:title>
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  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-aldehyde-1000-ug-ml-in-methanol-as-e0097-cas-7421-93-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ee5a7283-7747-47fc-ba04-b0b7137fe1c9.jpg?v=1761266316</image:loc>
      <image:title>*Endrin aldehyde, 1000 µg/mL in MeOH, CAS # 7421-93-4, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/heptachlor-1000-ug-ml-in-methanol-as-e0098-cas-76-44-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5a1b75c1-69c2-4f09-b94f-d73323e8d368.jpg?v=1761266319</image:loc>
      <image:title>*Heptachlor, 1000 µg/mL in MeOH, CAS # 76-44-8, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/heptachlor-epoxide-isomer-b-1000-ug-ml-in-methanol-as-e0099-cas-1024-57-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_99d53706-cd27-4403-b3a8-6d020edd6c56.jpg?v=1761266323</image:loc>
      <image:title>*Heptachlor epoxide (Isomer B), 1000 µg/mL in Methanol, CAS # 1024-57-3, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/a-bhc-2-5-mg-ml-in-methanol-cas-319-84-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_91a77796-120f-4740-882b-869c539afbb5.jpg?v=1761266326</image:loc>
      <image:title>*a-BHC, 2.5 mg/mL in MeOH, CAS # 319-84-6, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/gamma-bhc-lindane-1000-ug-ml-in-methanol-cas-58-89-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_84afbfe6-3a1a-4526-8aa2-ccce1866c966.jpg?v=1761266330</image:loc>
      <image:title>*gamma-BHC (Lindane), 1000 µg/mL in Methanol, CAS # 58-89-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/delta-bhc-1000-ug-ml-in-methanol-cas-319-86-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_73efe3ed-7039-4a4f-875a-d598cb28c006.jpg?v=1761266333</image:loc>
      <image:title>*delta-BHC, 1000 µg/mL in MeOH, CAS # 319-86-8, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1232-5-0-mg-ml-in-methanol-cas-11141-16-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_47e28311-7733-4772-bf94-d96bd891e267.jpg?v=1761266337</image:loc>
      <image:title>*Aroclor 1232, 5.0 mg/mL in MeOH, CAS # 11141-16-5, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1248-5-0-mg-ml-in-isooctane-cas-12672-29-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3c2f79bc-13ea-4929-804f-a561ff9497f5.jpg?v=1761266341</image:loc>
      <image:title>*PCB Aroclor 1248, 5.0 mg/mL in Isooctane, CAS # 12672-29-6, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/toxaphene-1000-ug-ml-in-methanol-as-e0111-cas-8001-35-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f388724a-60f3-4a57-8a81-f6437d2668f5.jpg?v=1761266345</image:loc>
      <image:title>*Toxaphene, 1000 µg/mL in MeOH, CAS # 8001-35-2, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-ddt-5-0-mg-ml-in-methanol-cas-50-29-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_409ddf4e-9788-495f-81d7-712bf4ff6cb1.jpg?v=1761266348</image:loc>
      <image:title>*4,4&apos;-DDT, 5.0 mg/mL in MeOH, CAS # 50-29-3, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1016-1000-ug-ml-in-isooctane-cas-12674-11-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4bb1f556-99f6-4c9b-9ef4-bcbd10b5f8b3.jpg?v=1761266352</image:loc>
      <image:title>*PCB Aroclor 1016, 1000 µg/mL in Isooctane, CAS # 12674-11-2, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1221-1000-ug-ml-in-isooctane-cas-11104-28-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_327a8738-5f19-4435-bc1b-8a271dd2210b.jpg?v=1761266356</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1260-500-ug-ml-in-isooctane-cas-11096-82-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_27a97cba-e264-4746-bdd0-bfb9fe99bdba.jpg?v=1761266359</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1260-1000-ug-ml-in-isooctane-cas-11096-82-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_037763a6-d5fa-4aa3-9f40-ddd421b68809.jpg?v=1761266363</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/aroclor-1260-3-0-mg-ml-in-isooctane-cas-11096-82-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6b209a40-307a-4e8c-a10c-57be030b5191.jpg?v=1761266366</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1262-5-0-mg-ml-in-isooctane-cas-37324-23-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_88120e1f-f9ce-4687-a104-81b0aae247ca.jpg?v=1761266370</image:loc>
      <image:title>*PCB Aroclor 1262, 5.0 mg/mL in Isooctane, CAS # 37324-23-5, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1268-2500-ug-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3a796e28-fbe7-4b64-b3a9-a4edfecb9429.jpg?v=1761266374</image:loc>
      <image:title>*Aroclor 1268, 2500 µg/mL in Acetone, CAS # 11100-14-4, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1242-1000-ug-ml-in-isooctane-cas-53469-21-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e37e0d00-4632-4648-b62d-9b5734f0002e.jpg?v=1761266377</image:loc>
      <image:title>*PCB Aroclor 1242, 1000 µg/mL in Isooctane, CAS # 53469-21-9, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1254-1000-ug-ml-isooctane-cas-11097-69-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aa916d78-9fe3-4dd9-9db3-a792ed2a6eee.jpg?v=1761266381</image:loc>
      <image:title>*PCB Aroclor 1254, 1000 µg/mL Isooctane, CAS # 11097-69-1, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pcb-aroclor-1254-3-0-mg-ml-in-isooctane-cas-11097-69-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c761c4f9-cbc2-4cfa-96ad-6b8e68fb264e.jpg?v=1761266385</image:loc>
      <image:title>*PCB Aroclor 1254, 3.0 mg/mL in Isooctane, CAS # 11097-69-1, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/bromochloromethane-10-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0b9ab59-c8e7-4c73-819d-d9bf6257df66.jpg?v=1761266388</image:loc>
      <image:title>*Bromochloromethane, 10.0 mg/mL in MeOH, CAS # 74-97-5, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorotoluene-5-0-mg-ml-in-methanol-cas-95-73-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b710d6b1-b7ab-486c-b0f5-fbceb5008655.jpg?v=1761266392</image:loc>
      <image:title>*2,4-Dichlorotoluene, 5.0 mg/mL in MeOH, CAS # 95-73-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorotoluene-5-0-mg-ml-in-methanol-cas-95-49-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3d1411ba-5163-4efb-8552-55c3268d2108.jpg?v=1761266395</image:loc>
      <image:title>*2-Chlorotoluene, 5.0 mg/mL in Methanol, CAS # 95-49-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-chlorotoluene-5-0-mg-ml-in-methanol-cas-108-41-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a8c866ca-0751-4f0e-819f-c0f3e418cb54.jpg?v=1761266399</image:loc>
      <image:title>*3-Chlorotoluene, 5.0 mg/mL in MeOH, CAS # 108-41-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloronitrobenzene-1000-ug-ml-in-methanol-as-e0156-cas-82-68-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d1dd2eb2-826d-4df1-b851-ba88551cbe38.jpg?v=1761266403</image:loc>
      <image:title>*Pentachloronitrobenzene, 1000 µg/mL in MeOH, CAS # 82-68-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-chloride-5-0-mg-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8185e5bd-0a30-4f0b-84ef-4b9e79a34f4c.jpg?v=1761266227</image:loc>
      <image:title>*Benzyl chloride, 5.0 mg/mL in Acetonitrile, CAS # 100-44-7, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-dichloro-1-propene-4-2-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c392d6d-0b3f-4445-90a3-0bce9644afa9.jpg?v=1761266230</image:loc>
      <image:title>*2,3-Dichloro-1-propene, 4.2 mg/mL in MeOH, CAS # 78-88-6, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/1-2-dibromoethane-edb-5-0-mg-ml-in-methanol-cas-106-93-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_06f51b60-d904-4856-b7e6-05eb18169a14.jpg?v=1761266234</image:loc>
      <image:title>*1,2-Dibromoethane   (EDB), 5.0 mg/mL in MeOH, CAS # 106-93-4, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/cis-1-2-dichloroethene-10-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_36d2891e-1929-4b61-bbcf-ef653b48ba7c.jpg?v=1761266238</image:loc>
      <image:title>*cis-1,2-Dichloroethene, 10.0 mg/mL in MeOH, CAS # 156-59-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichlorobenzene-5-0-mg-ml-in-methanol-cas-87-61-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cccaca1d-5f35-4555-92d6-87085528e856.jpg?v=1761266241</image:loc>
      <image:title>*1,2,3-Trichlorobenzene, 5.0 mg/mL in MeOH, CAS # 87-61-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trichlorobenzene-5-0-mg-ml-in-methanol-cas-108-70-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c3b93d5-fcc9-496e-b7de-667b6f106f5b.jpg?v=1761266245</image:loc>
      <image:title>*1,3,5-Trichlorobenzene, 5.0 mg/mL in Methanol, CAS # 108-70-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-5-tetrachlorobenzene-2-5-mg-ml-in-acetonitrile-cas-95-94-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_371470e4-3d3f-4c76-b0e7-d97b5aa36874.jpg?v=1761266249</image:loc>
      <image:title>*1,2,4,5-Tetrachlorobenzene, 2.5 mg/mL in Acetonitrile, CAS # 95-94-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-trichlorophenol-5-0-mg-ml-in-methanol-cas-95-95-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23b34f24-98bc-4a0c-a6b3-96b79fff06e2.jpg?v=1761266252</image:loc>
      <image:title>*2,4,5-Trichlorophenol, 5.0 mg/mL in MeOH, CAS # 95-95-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-6-trichlorophenol-1000-ug-ml-in-methanol-cas-933-75-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a45b2bf-26be-4b72-951c-0f8ad0b3e3f4.jpg?v=1761266256</image:loc>
      <image:title>*2,3,6-Trichlorophenol, 1000 µg/mL in Methanol, CAS # 933-75-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-chlorophenol-5-0-mg-ml-in-methanol-cas-108-43-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7b9dd1e1-896e-4c5d-a447-32ffa1f5d523.jpg?v=1761266260</image:loc>
      <image:title>*3-Chlorophenol, 5.0 mg/mL in MeOH, CAS # 108-43-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenol-5-0-mg-ml-in-methanol-cas-106-48-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2bf1fd97-d3f0-42aa-8385-babaf631dc0d.jpg?v=1761266263</image:loc>
      <image:title>*4-Chlorophenol, 5.0 mg/mL in Methanol, CAS # 106-48-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenanthrene-d10-0-15-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_221003af-52fa-4856-9cdb-13aac840d29a.jpg?v=1761266267</image:loc>
      <image:title>*Phenanthrene-d10, 0.15 mg/mL in MeOH, CAS # 1517-22-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenol-d5-100-ug-ml-in-acetone-cas-4165-62-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3b2711ff-9893-49dd-b0fb-7e10d7178231.jpg?v=1761266270</image:loc>
      <image:title>*Phenol-d5, 0.1 mg/mL in Acetone, CAS # 4165-62-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dimethylphenol-3-5-6-d3-95-98-0-1-mg-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_efc472f4-df77-4ebf-9b53-da7628e7455b.jpg?v=1761266274</image:loc>
      <image:title>*2,4-Dimethylphenol-3,5,6-d3 (95-98%), 0.1 mg/mL in Acetone, CAS # 93951-75-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-13c6-100-ug-ml-in-acetone-cas-85380-74-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86811205-fb18-401c-bc53-929ed8d425ff.jpg?v=1761266277</image:loc>
      <image:title>*Pentachlorophenol-13C6, 0.1 mg/mL in Acetone, CAS # 85380-74-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fluorophenol-95-98-0-1-mg-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2726e693-bb77-4716-9242-5c0e2f1d98dd.jpg?v=1761266281</image:loc>
      <image:title>*2-Fluorophenol (95-98%), 0.1 mg/mL in Acetone, CAS # 367-12-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fluorobiphenyl-100-ug-ml-in-acetone-cas-321-60-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_307d03ae-cf1d-454b-ac57-6284b6f58a4f.jpg?v=1761266284</image:loc>
      <image:title>*2-Fluorobiphenyl, 0.1 mg/mL in Acetone, CAS # 321-60-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorodibromomethane-5-0-mg-ml-in-methanol-cas-124-48-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c75edc4f-5052-4a0b-9584-8d0472bb0c6b.jpg?v=1761266288</image:loc>
      <image:title>*Chlorodibromomethane, 5.0 mg/mL in MeOH, CAS # 124-48-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-xylene-1000-ug-ml-in-methanol-cas-95-47-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_76f89f18-0838-4845-8199-25262e3d50fd.jpg?v=1761266291</image:loc>
      <image:title>*o-Xylene, 1000 µg/mL in MeOH, CAS # 95-47-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-xylene-1000-ug-ml-in-methanol-cas-108-38-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_adcd128f-92e9-4396-b85c-7ae3bed924c1.jpg?v=1761266295</image:loc>
      <image:title>*m-Xylene, 1000 µg/mL in MeOH, CAS # 108-38-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-xylene-1000-ug-ml-in-methanol-cas-106-42-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_da5b248d-27c4-4234-999a-f69b78605bd5.jpg?v=1761266298</image:loc>
      <image:title>*p-Xylene, 1000 µg/mL in MeOH, CAS # 106-42-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromoform-5-0-mg-ml-in-methanol-cas-75-25-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c50a4ad2-fb2e-47b1-beb2-4f593448481f.jpg?v=1761266302</image:loc>
      <image:title>*Bromoform, 5.0 mg/mL in MeOH, CAS # 75-25-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dichlorobenzene-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bbf9439b-47cc-4c7b-8d7f-5aecb48a9679.jpg?v=1761266305</image:loc>
      <image:title>*1,3-Dichlorobenzene, 1000 µg/mL in MeOH, CAS # 541-73-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-trans-1-3-dichloropropylene-5-0-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_78e7eebb-2ee9-467c-a609-10660f9713fa.jpg?v=1761266309</image:loc>
      <image:title>*cis &amp; trans 1,3-Dichloropropylene, 5.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mirex-1000-ug-ml-in-acetone-cas-2385-85-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_38f80211-fc0d-4e29-9584-e94b5ce96cd9.jpg?v=1761266312</image:loc>
      <image:title>*Mirex, 1000 µg/mL in Acetone, CAS # 2385-85-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aldrin-5-0-mg-ml-in-methanol-cas-309-00-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_50af576d-7182-4253-88ea-1388f6519695.jpg?v=1761266316</image:loc>
      <image:title>*Aldrin, 5.0 mg/mL in MeOH, CAS # 309-00-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-trichlorophenol-5-0-mg-ml-in-methanol-cas-933-78-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_64d72566-e142-405e-b73b-d2ca08823c38.jpg?v=1761266319</image:loc>
      <image:title>*2,3,5-Trichlorophenol, 5.0 mg/mL in MeOH, CAS # 933-78-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dimethylphenol-5-0-mg-ml-in-methanol-cas-105-67-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_33648e1d-141c-40d8-92b8-8cc4d81fb7be.jpg?v=1761266323</image:loc>
      <image:title>*2,4-Dimethylphenol, 5.0 mg/mL in MeOH,  CAS # 105-67-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-4-tetrachlorobenzene-1000-ug-ml-in-methanol-cas-634-66-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_163c34af-ad9a-4b85-b6ff-5c4b5ff44d82.jpg?v=1761266326</image:loc>
      <image:title>*1,2,3,4-Tetrachlorobenzene, 1000 µg/mL in MeOH, CAS # 634-66-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenza-hanthracene-1000-ug-ml-in-p-dioxane-cas-53-70-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6e33f86e-21f3-4536-8474-1e20f1b910c6.jpg?v=1761266329</image:loc>
      <image:title>*Dibenz(a,h)anthracene, 1000 µg/mL in p-Dioxane, CAS # 53-70-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorobenzene-0-15-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a065430d-208b-47d7-9b3a-d807aee1e676.jpg?v=1761266332</image:loc>
      <image:title>*Fluorobenzene, 0.15 mg/mL in MeOH, CAS # 462-06-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-bromofluorobenzene-0-15-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4fa83aab-85e8-4567-8c9f-2c7356c3764b.jpg?v=1761266336</image:loc>
      <image:title>*p-Bromofluorobenzene, 0.15 mg/mL in MeOH, CAS # 460-00-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-dibromooctafluorobiphenyl-100-ug-ml-in-acetone-cas-10386-84-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_33542289-83dd-422a-8d1b-045c844260b4.jpg?v=1761266340</image:loc>
      <image:title>*4,4&apos;-Dibromooctafluorobiphenyl, 0.1 mg/mL in Acetone, CAS # 10386-84-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-dodecane-5-0-mg-ml-in-methanol-cas-112-40-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a121f706-7ca0-4de4-b079-9af65e473750.jpg?v=1761266343</image:loc>
      <image:title>*n-Dodecane, 5.0 mg/mL in MeOH, CAS # 112-40-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-tridecane-5-0-mg-ml-in-methanol-cas-629-50-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_07b60cfd-908c-494f-b1ec-3cad67ee5f57.jpg?v=1761266347</image:loc>
      <image:title>*n-Tridecane, 5.0 mg/mL in MeOH, CAS # 629-50-5, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/n-tetradecane-5-0-mg-ml-in-methanol-cas-629-59-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5619cb9b-6241-4ec5-b573-f4e74e0796e4.jpg?v=1761266350</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/n-pentadecane-5-0-mg-ml-in-methanol-cas-629-62-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6da0a098-48b5-49d1-a111-1c45936c75c8.jpg?v=1761266354</image:loc>
      <image:title>*n-Pentadecane, 5.0 mg/mL in MeOH, CAS # 629-62-9, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/o-cresol-5-0-mg-ml-in-methanol-cas-95-48-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_faf96b70-99ae-4b68-aff9-5ff73195dcca.jpg?v=1761266357</image:loc>
      <image:title>*o-Cresol, 5.0 mg/mL in MeOH, CAS # 95-48-7, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/m-cresol-5-0-mg-ml-in-methanol-cas-108-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_faf4d831-264f-4ff7-b1e7-a00979ee8ca2.jpg?v=1761266360</image:loc>
      <image:title>*m-Cresol, 5.0 mg/mL in MeOH, CAS # 108-39-4, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/p-cresol-5-0-mg-ml-in-methanol-cas-106-44-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e437f53b-59a4-458a-8017-881ad8831316.jpg?v=1761266364</image:loc>
      <image:title>*p-Cresol, 5.0 mg/mL in MeOH, CAS # 106-44-5, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/dibutyl-ether-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c52940f3-493c-45ad-b798-dfa5c7128243.jpg?v=1761266368</image:loc>
      <image:title>*Dibutyl ether, 5.0 mg/mL in MeOH, CAS # 142-96-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/styrene-5-0-mg-ml-in-methanol-cas-100-42-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b08d9caa-b3eb-4e24-a08a-622ed4858b36.jpg?v=1761266371</image:loc>
      <image:title>*Styrene, 5.0 mg/mL in MeOH, CAS # 100-42-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epichlorohydrin-5-0-mg-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_93a8815b-a653-4a50-9c0a-33263b3d0576.jpg?v=1761266375</image:loc>
      <image:title>*Epichlorohydrin, 5.0 mg/mL in Acetonitrile, CAS # 106-89-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epichlorohydrin-100-ug-ml-in-acetonitrile-cas-106-89-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_589e8fd4-e4c0-4fe3-a691-926ebb4c557b.jpg?v=1761266378</image:loc>
      <image:title>*Epichlorohydrin, 100 µg/mL in Acetonitrile, CAS # 106-89-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorobenzene-2-5-mg-ml-in-methanol-cas-608-93-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f78ae92-8e23-4f84-8a75-05aa15673c21.jpg?v=1761266382</image:loc>
      <image:title>*Pentachlorobenzene, 2.5 mg/mL in MeOH, CAS # 608-93-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzofuran-5-0-mg-ml-in-methanol-cas-132-64-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5de9a297-3d61-48ce-806f-a873740e0b21.jpg?v=1761266385</image:loc>
      <image:title>*Dibenzofuran, 5.0 mg/mL in MeOH, CAS # 132-64-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine-5-0-mg-ml-in-methanol-cas-122-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_756827f0-0594-4ece-ba38-fe8179aa86d5.jpg?v=1761266389</image:loc>
      <image:title>*Diphenylamine, 5.0 mg/mL in MeOH, CAS # 122-39-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-5-0-mg-ml-in-methanol-cas-110-86-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_28f41970-a84f-48f7-a46d-4539b069d5cb.jpg?v=1761266393</image:loc>
      <image:title>*Pyridine, 5.0 mg/mL in MeOH, CAS # 110-86-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-phenylenediamine-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_733d02dc-d1bc-41ff-b408-6b7c3248abd1.jpg?v=1761266396</image:loc>
      <image:title>*p-Phenylenediamine, 1000 µg/mL in Acetonitrile, CAS # 106-50-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetone-5-0-mg-ml-in-methanol-cas-67-64-1-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7508bb00-068a-4527-950b-56591cfdcc0d.jpg?v=1761266399</image:loc>
      <image:title>*Acetone, 5.0 mg/mL in MeOH, CAS # 67-64-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-ether-5000-ug-ml-in-methanol-cas-60-29-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_433012dc-60f4-4ad4-be9f-03155febf6e9.jpg?v=1761266406</image:loc>
      <image:title>*Diethyl ether, 5000 µg/mL in MeOH, CAS # 60-29-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-epoxybutane-5-0-mg-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_828da840-9da5-43d9-8a62-6a02f2c56979.jpg?v=1761266409</image:loc>
      <image:title>*1,2-Epoxybutane, 5.0 mg/mL in Acetonitrile, CAS # 106-88-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-acetyl-2-thiourea-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7851293d-d678-4aba-83ac-58797d8af4ca.jpg?v=1761266413</image:loc>
      <image:title>*1-Acetyl-2-thiourea, 1000 µg/mL in Acetonitrile, CAS # 591-08-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phthalic-anhydride-1000-ug-ml-in-acetonitrile-cas-85-44-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ed98c3cb-1b97-43ac-a121-1bb2df350c03.jpg?v=1761266416</image:loc>
      <image:title>*Phthalic anhydride, 1000 µg/mL in Acetonitrile, CAS # 85-44-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiourea-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9e87e4d5-2f87-4d42-9776-dcdfd121effd.jpg?v=1761266420</image:loc>
      <image:title>*Thiourea, 5.0 mg/mL in MeOH, CAS # 62-56-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenacetin-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a1d1e547-4e90-4020-8ccc-8d9804408c9f.jpg?v=1761266423</image:loc>
      <image:title>*Phenacetin, 5.0 mg/mL in MeOH, CAS # 62-44-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-aminopyridine-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fe3168c8-99c2-443a-9610-61a25e44e6eb.jpg?v=1761266427</image:loc>
      <image:title>*4-Aminopyridine, 5.0 mg/mL in MeOH, CAS # 504-24-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosopyrrolidine-5-0-mg-ml-in-methanol-cas-930-55-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8fc56d4d-9881-4b87-be53-3726eb5bc42a.jpg?v=1761266431</image:loc>
      <image:title>*N-Nitrosopyrrolidine, 5.0 mg/mL in MeOH, CAS # 930-55-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fluoroacetamide-5-0-mg-ml-in-acetonitrile-cas-640-19-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dbb0ae6d-2118-438f-bc33-b227c8142a22.jpg?v=1761266434</image:loc>
      <image:title>*2-Fluoroacetamide, 5.0 mg/mL in Acetonitrile:Methanol (80:20), CAS # 640-19-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloroethane-5000-ug-ml-in-methanol-cas-76-01-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_176da27a-9506-40f3-b07b-033d8cdb9e95.jpg?v=1761266438</image:loc>
      <image:title>*Pentachloroethane, 5.0 mg/mL in MeOH, CAS # 76-01-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-5-0-mg-ml-in-methanol-cas-87-65-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6498119-a665-4c94-abb4-46dde3e3c5c8.jpg?v=1761266442</image:loc>
      <image:title>*2,6-Dichlorophenol, 5.0 mg/mL in MeOH,  CAS # 87-65-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chloroaniline-5-0-mg-ml-in-methanol-cas-106-47-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e2afd6e5-b084-424e-a2f4-8376618acd9b.jpg?v=1761266445</image:loc>
      <image:title>*4-Chloroaniline, 5.0 mg/mL in MeOH, CAS # 106-47-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/urethane-5-0-mg-ml-in-methanol-cas-51-79-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_875b4a9a-0209-490d-bff3-feeff99c4081.jpg?v=1761266449</image:loc>
      <image:title>*Urethane, 5.0 mg/mL in MeOH, CAS # 51-79-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-epoxypropanepropylene-oxide-1000-ug-ml-in-acetonitrile-cas-75-56-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_648a0ee5-8668-4329-89cb-45ece567a5f5.jpg?v=1761266452</image:loc>
      <image:title>*1,2-Epoxypropane(Propylene oxide), 1000 µg/mL in Acetonitrile, CAS # 75-56-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-ethyl-ketone-5-0-mg-ml-in-methanol-cas-78-93-3-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86d0382b-12e4-496e-8327-8247e34fbc42.jpg?v=1761266456</image:loc>
      <image:title>*Methyl ethyl ketone, 5.0 mg/mL in MeOH, CAS # 78-93-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicyclohexyl-phthalate-1000-ug-ml-in-acetonitrile-cas-84-61-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86112609-872d-48d3-90d0-8e7f4796f89c.jpg?v=1761266459</image:loc>
      <image:title>*Dicyclohexyl phthalate, 1000 µg/mL in Acetonitrile, CAS # 84-61-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-methylene-biso-chloroaniline-5-0-mg-ml-in-methanol-cas-101-14-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_10e72ae7-17dc-4117-aef4-3b0572d678e9.jpg?v=1761266463</image:loc>
      <image:title>*4,4&apos;-Methylene bis(o-chloroaniline), 5.0 mg/mL in MeOH, CAS # 101-14-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-5-0-mg-ml-in-methanol-cas-70-30-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a57aa864-4d2f-40b2-aa89-308f55fbaf94.jpg?v=1761266466</image:loc>
      <image:title>*Hexachlorophene, 5.0 mg/mL in MeOH, CAS # 70-30-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-nitroaniline-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1f358c92-bcfe-4826-9863-5694067a4c59.jpg?v=1761266470</image:loc>
      <image:title>*o-Nitroaniline, 5.0 mg/mL in Methanol, CAS # 88-74-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-5-0-mg-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ebb46ab5-529c-462d-b37d-d5d18e1eae1e.jpg?v=1761266474</image:loc>
      <image:title>*Benzyl alcohol, 5.0 mg/mL in Acetonitrile, CAS # 100-51-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vinyl-acetate-1000-ug-ml-in-acetonitrile-cas-108-05-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5be4fcf1-d52d-4a07-860a-74006866e8c2.jpg?v=1761266477</image:loc>
      <image:title>*Vinyl acetate, 1000 µg/mL in Acetonitrile, CAS # 108-05-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenoxy-acetic-acid-5-0-mg-ml-in-acetonitrile-cas-94-75-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_be4d7afb-fa32-4d29-80af-d513e903e013.jpg?v=1761266481</image:loc>
      <image:title>*2,4-Dichlorophenoxy acetic acid, 5.0 mg/mL in Acetonitrile, CAS # 94-75-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiethylamine-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a526e7fb-abdc-4283-83e5-1e75c916d81b.jpg?v=1761266484</image:loc>
      <image:title>*N-Nitrosodiethylamine, 5.0 mg/mL in MeOH, CAS # 55-18-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-2-tetrachloroethane-95-98-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_87a7f468-5197-4915-bcb9-ab4a2af8d03d.jpg?v=1761266488</image:loc>
      <image:title>*1,1,1,2-Tetrachloroethane (95-98%), 1000 µg/mL in MeOH, CAS # 630-20-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/malononitrile-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ccb6fb9a-2979-430b-b983-20149731258f.jpg?v=1761266491</image:loc>
      <image:title>*Malononitrile, 5.0 mg/mL in MeOH, CAS # 109-77-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionitrile-5-0-mg-ml-in-methanol-cas-107-12-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c920bb14-022c-4782-aede-fa2bb939a7c4.jpg?v=1761266495</image:loc>
      <image:title>*Propionitrile, 5.0 mg/mL in MeOH, CAS # 107-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-nitroaniline-5-0-mg-ml-in-methanol-cas-100-01-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_551179eb-1fb2-4121-9b67-f1a368955d3a.jpg?v=1761266499</image:loc>
      <image:title>*p-Nitroaniline, 5.0 mg/mL in MeOH, CAS # 100-01-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-nitro-o-toluidine-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1edcdb4a-3488-4fe6-9a2b-8e01319ca88d.jpg?v=1761266502</image:loc>
      <image:title>*5-Nitro-o-toluidine, 5.0 mg/mL in MeOH, CAS # 99-55-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorodifluoromethane-5000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_150be639-5a14-44d4-8766-aa5d8022e2ec.jpg?v=1761266509</image:loc>
      <image:title>*Dichlorodifluoromethane, 5000 µg/mL in MeOH, CAS # 75-71-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-2-pentanone-5-0-mg-ml-in-methanol-cas-108-10-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6dd7affc-7b28-4516-9717-220669b2d06e.jpg?v=1761266513</image:loc>
      <image:title>*4-Methyl-2-pentanone, 5.0 mg/mL in MeOH, CAS # 108-10-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylenediamine-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30ce030a-73ce-43a6-bc1c-c5b8e89e1274.jpg?v=1761266517</image:loc>
      <image:title>*Ethylenediamine, 1000 µg/mL in MeOH, CAS # 107-15-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-5-0-mg-ml-in-methanol-cas-56-23-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_84535eba-85ba-4594-80ff-b6f5185e3cc8.jpg?v=1761266520</image:loc>
      <image:title>*Carbon tetrachloride, 5.0 mg/mL in Methanol, CAS # 56-23-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-disulfide-5-0-mg-ml-in-methanol-cas-75-15-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_40895d9b-203c-4115-8c11-0760b76bc34c.jpg?v=1761266524</image:loc>
      <image:title>*Carbon disulfide, 5.0 mg/mL in MeOH, CAS # 75-15-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachloropropylene-1000-ug-ml-in-methanol-cas-1888-71-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c5228702-39e9-43b0-aaf4-2004ef7ee4e0.jpg?v=1761266528</image:loc>
      <image:title>*Hexachloropropylene, 1000 µg/mL in MeOH, CAS # 1888-71-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/safrole-5-0-mg-ml-in-methanol-cas-94-59-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f56a8d20-9932-4b18-be47-4e4159b5ca66.jpg?v=1761266531</image:loc>
      <image:title>*Safrole, 5.0 mg/mL in MeOH, CAS # 94-59-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichloropropane-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b0699b1e-4e1d-4d02-92a9-8f1fb3a54c39.jpg?v=1761266535</image:loc>
      <image:title>*1,2,3-Trichloropropane, 5.0 mg/mL in MeOH, CAS # 96-18-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/saccharin-2-0-mg-ml-in-acetonitrile-cas-81-07-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e745b795-d3f7-4312-b13a-1f7c87ad2801.jpg?v=1761266539</image:loc>
      <image:title>*Saccharin, 2.0 mg/mL in Acetonitrile, CAS # 81-07-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-t-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8caf2770-135d-4f30-8ccc-556269ffbcf7.jpg?v=1761266543</image:loc>
      <image:title>*2,4,5-T, 1000 µg/mL in Acetonitrile, CAS # 93-76-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-chloropropionitrile-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a2a590e2-9572-4b51-93bc-0f933dc707f7.jpg?v=1761266546</image:loc>
      <image:title>*3-Chloropropionitrile, 1000 µg/mL in Methanol, CAS # 542-76-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-thiouracil-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_81b94368-079e-44ad-a461-570352ea8483.jpg?v=1761266550</image:loc>
      <image:title>*Methyl thiouracil, 1000 µg/mL in Methanol, CAS # 56-04-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiram-95-98-1000-ug-ml-in-acetonitrile-cas-137-26-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67515ac8-8b79-4ec3-87a4-af52b4c17b6f.jpg?v=1761266553</image:loc>
      <image:title>*Thiram, 1000 µg/mL in Acetonitrile, CAS # 137-26-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-sulfate-1000-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_df402939-4c3e-418d-bb09-a86da04a56fa.jpg?v=1761266557</image:loc>
      <image:title>*Dimethyl sulfate, 1000 µg/mL in Acetonitrile, CAS # 77-78-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromobenzene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6952afd-365d-4022-9581-bf276b1e4df9.jpg?v=1761266560</image:loc>
      <image:title>*Bromobenzene, 5.0 mg/mL in MeOH, CAS # 108-86-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetophenone-5-0-mg-ml-in-methanol-cas-98-86-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c5d9fc7b-c5e5-4f83-a3f3-03889664194e.jpg?v=1761266564</image:loc>
      <image:title>*Acetophenone, 5.0 mg/mL in MeOH, CAS # 98-86-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-naphthylamine-1000-ug-ml-in-methanol-cas-134-32-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b754942c-bdba-45d4-ad6c-79996616cc50.jpg?v=1761266567</image:loc>
      <image:title>*1-Naphthylamine, 1000 µg/mL in MeOH, CAS # 134-32-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dimethylaminoazobenzene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ae7cb0ec-14ad-41d3-9746-c7385bb909b4.jpg?v=1761266571</image:loc>
      <image:title>*p-Dimethylaminoazobenzene, 5.0 mg/mL in MeOH, CAS # 60-11-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methanesulfonate-95-98-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_995c88e7-01c1-47b8-8b77-d854bd0211f1.jpg?v=1761266575</image:loc>
      <image:title>*Methyl methanesulfonate (95-98%), 1000 µg/mL in Acetonitrile, CAS # 66-27-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-1000-ug-ml-in-methanol-cas-80-62-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7a44fcac-e813-44b6-9b0a-e3f4ec37d4a3.jpg?v=1761266578</image:loc>
      <image:title>*Methyl methacrylate, 1000 µg/mL in Methanol, CAS # 80-62-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dinoseb-1000-ug-ml-in-acetonitrile-cas-88-85-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fdee97e0-04de-44a5-a6b5-8dea1ddef0be.jpg?v=1761266582</image:loc>
      <image:title>*Dinoseb, 1000 µg/mL in Acetonitrile, CAS # 88-85-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-methanesulfonate-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86ff7623-acd2-4ede-af47-5c0d2b97becb.jpg?v=1761266409</image:loc>
      <image:title>*Ethyl methanesulfonate, 1000 µg/mL in Acetonitrile, CAS # 62-50-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-nitrosopiperidine-5-0-mg-ml-in-methanol-cas-100-75-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b4dbc07-8f8b-4013-8e65-99f9bdd3d11d.jpg?v=1761266413</image:loc>
      <image:title>*1-Nitrosopiperidine, 5.0 mg/mL in MeOH, CAS # 100-75-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dibromo-1-1-2-2-tetrafluoroethane-1000-ug-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b58efea5-90a2-472c-95fd-560a22f667d1.jpg?v=1761266416</image:loc>
      <image:title>***1,2-Dibromo-1,1,2,2-tetrafluoroethane, 1000 µg/mL in MeOH, CAS # 124-73-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-5-0-mg-ml-in-2-propanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3b4333c-da9d-4a9d-9067-1fc9c2fd1ed3.jpg?v=1761266420</image:loc>
      <image:title>*Acetonitrile, 5.0 mg/mL in 2-propanol, CAS # 75-05-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allyl-alcohol-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_279d85fb-ecdd-49d9-b131-d703ee46b164.jpg?v=1761266424</image:loc>
      <image:title>*Allyl alcohol, 1000 µg/mL in MeOH, CAS # 107-18-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allyl-chloride-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bfc7dd85-58e4-4d7c-83c9-5f066e8ad786.jpg?v=1761266428</image:loc>
      <image:title>*Allyl chloride, 1000 µg/mL in MeOH, CAS # 107-05-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/crotonaldehyde-1000-ug-ml-in-acetonitrile-cas-123-73-9-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c0fa1b75-3bb7-4f8c-9a40-0e09c1f85024.jpg?v=1761266431</image:loc>
      <image:title>*Crotonaldehyde, 1000 µg/mL in Acetonitrile, CAS # 123-73-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dioxane-10-0-mg-ml-in-methanol-cas-123-91-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1b94e11f-658c-493c-beac-265f7655ddcb.jpg?v=1761266435</image:loc>
      <image:title>*p-Dioxane, 10.0 mg/mL in MeOH, CAS # 123-91-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosomorpholine-5-0-mg-ml-in-methanol-cas-59-89-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dcc72c01-fa22-4cef-8a2b-0713b22b4adc.jpg?v=1761266438</image:loc>
      <image:title>*N-Nitrosomorpholine, 5.0 mg/mL in MeOH, CAS # 59-89-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isosafrole-95-98-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d79dc8fb-4526-4db7-bc20-37b972bf5e6d.jpg?v=1761266442</image:loc>
      <image:title>*Isosafrole, 1000 µg/mL in MeOH, CAS # 120-58-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-toluidine-2-0-mg-ml-in-methanol-cas-95-53-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4cda7154-41d1-4be9-a113-8ac2034a703f.jpg?v=1761266445</image:loc>
      <image:title>*o-Toluidine, 2.0 mg/mL in MeOH, CAS # 95-53-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thioacetamide-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b4b68f46-9541-4af9-830a-7927f424770e.jpg?v=1761266449</image:loc>
      <image:title>*Thioacetamide, 1000 µg/mL in Acetonitrile, CAS # 62-55-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nicotine-1000-ug-ml-in-methanol-cas-54-11-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7d30d73b-e30e-4c49-9a73-586c171a6bcc.jpg?v=1761266452</image:loc>
      <image:title>*Nicotine, 1000 µg/mL in MeOH, CAS # 54-11-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/brucine-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d53dabab-c1fb-4c83-94ff-e3c74f953a7a.jpg?v=1761266456</image:loc>
      <image:title>*Brucine, 1000 µg/mL in Acetonitrile, CAS # 357-57-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-propanediol-1000-ug-ml-in-acetonitrile-cas-57-55-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2a4e0b1e-7bca-4a84-b4e7-e2abb650bd27.jpg?v=1761266459</image:loc>
      <image:title>*1,2-Propanediol, 1000 µg/mL in Acetonitrile, CAS # 57-55-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dinitrobenzene-5-0-mg-ml-in-methanol-cas-99-65-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_51340705-a437-415f-b8e9-4d6011b69a1b.jpg?v=1761266463</image:loc>
      <image:title>*1,3-Dinitrobenzene, 5.0 mg/mL in MeOH, CAS # 99-65-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vinyl-chloride-1000-ug-ml-in-methanol-cas-75-01-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dde8d721-c9d2-403b-9f08-85fc7445d564.jpg?v=1761266466</image:loc>
      <image:title>*Vinyl chloride, 1000 µg/mL in MeOH, CAS # 75-01-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethylstilbestrol-1000-ug-ml-in-acetonitrile-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a22b56d6-c058-477d-b06b-8b21151ffbf7.jpg?v=1761266470</image:loc>
      <image:title>***Diethylstilbestrol, 1000 µg/mL in Acetonitrile, CAS # 56-53-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoic-acid-5-0-mg-ml-in-acetonitrile-cas-65-85-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ed284760-e921-414b-b151-34afea471459.jpg?v=1761266474</image:loc>
      <image:title>*Benzoic acid, 5.0 mg/mL in Acetonitrile, CAS # 65-85-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-5-0-mg-ml-in-methanol-cas-62-53-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_951b24c1-da3d-4adb-acfe-5c896c9d5574.jpg?v=1761266478</image:loc>
      <image:title>*Aniline, 5.0 mg/mL in MeOH, CAS # 62-53-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propargyl-alcohol-1000-ug-ml-in-cyclohexanone-cas-107-19-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b8ac5ea7-f32c-47e4-a8f3-39224b6bdf93.jpg?v=1761266481</image:loc>
      <image:title>*Propargyl alcohol, 1000 µg/mL in Cyclohexanone, CAS # 107-19-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-n-dimethylformamide-5mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1dcbb43d-e10d-4b75-9740-50cbca01ca11.jpg?v=1761266484</image:loc>
      <image:title>*N,N-Dimethylformamide, 5.0 mg/mL in MeOH, CAS # 68-12-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-tp-1000-ug-ml-in-acetonitrile-cas-93-72-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_47a68205-64eb-4b22-8f51-e58e67e77db7.jpg?v=1761266488</image:loc>
      <image:title>*2,4,5-TP, 1000 µg/mL in Acetonitrile, CAS # 93-72-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/reserpine-1000-ug-ml-in-acetonitrile-cas-50-55-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_87dd7314-e0cc-4b8a-83c0-57f2c5d8901f.jpg?v=1761266492</image:loc>
      <image:title>*Reserpine, 1000 µg/mL in Acetonitrile, CAS # 50-55-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-parathion-1000-ug-ml-in-acetonitrile-cas-56-38-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7f3d8ef4-44c9-47d6-9c87-dac8cce94de8.jpg?v=1761266496</image:loc>
      <image:title>*Ethyl parathion, 1000 µg/mL in Acetonitrile, CAS # 56-38-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-naphthylamine-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1931c30f-43a4-4fb0-b0d6-d675a9b623ff.jpg?v=1761266499</image:loc>
      <image:title>*2-Naphthylamine, 1000 µg/mL in MeOH, CAS # 91-59-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorambucil-5-0-mg-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e238a282-aa42-44c1-ad9c-0c1901d3a6f5.jpg?v=1761266503</image:loc>
      <image:title>*Chlorambucil, 5.0 mg/mL in Acetonitrile, CAS # 305-03-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-12-dimethylbenzaanthracene-1000-ug-ml-in-dichloromethane-cas-57-97-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3927d4ab-5d97-4ef2-955c-dc83e09f3488.jpg?v=1761266507</image:loc>
      <image:title>*7,12-Dimethylbenz(a)anthracene, 1000 µg/mL in CH2Cl2, CAS # 57-97-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/strychnine-1000-ug-ml-in-acetonitrile-cas-57-24-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c58059ef-afa5-4a6d-8551-3d4a7a23e00c.jpg?v=1761266511</image:loc>
      <image:title>*Strychnine, 1000 µg/mL in Acetonitrile, CAS # 57-24-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-parathion-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f84a48b-ed52-4429-a4b3-5e89c27a6ad5.jpg?v=1761266514</image:loc>
      <image:title>*Methyl parathion, 1000 µg/mL in Acetonitrile, CAS # 298-00-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kepone-1000-ug-ml-in-cyclohexanone-cas-143-50-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b63949e4-d8f1-42cf-a289-abc35a3abdd8.jpg?v=1761266518</image:loc>
      <image:title>*Kepone, 1000 µg/mL in Cyclohexanone, CAS # 143-50-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzilate-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e43481ea-1060-4915-8268-71d4299a4099.jpg?v=1761266521</image:loc>
      <image:title>*Chlorobenzilate, 1000 µg/mL in Acetonitrile, CAS # 510-15-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-4-diepoxybutane-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e483f1d8-68c4-425e-97d7-c3af10c4c5b0.jpg?v=1761266525</image:loc>
      <image:title>*1,2:3,4-Diepoxybutane, 1000 µg/mL in Acetonitrile, CAS # 1464-53-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-aminobiphenyl-1000-ug-ml-in-methanol-cas-92-67-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d1f723d8-1f6f-4f76-90ed-be789ae6b2c7.jpg?v=1761266528</image:loc>
      <image:title>*4-Aminobiphenyl, 1000 µg/mL in MeOH, CAS # 92-67-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dithiobiuret-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b65fed5e-383b-41f9-82fd-6c5c9a3f49e0.jpg?v=1761266532</image:loc>
      <image:title>*2,4-Dithiobiuret, 1000 µg/mL in MeOH, CAS # 541-53-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/disulfoton-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0cb182b0-e505-4a1e-98be-7d32cf2a780c.jpg?v=1761266535</image:loc>
      <image:title>*Disulfoton, 1000 µg/mL in Acetonitrile, CAS # 298-04-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-propanamine-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_97dce41c-ef60-44ee-9781-68101c0e1d01.jpg?v=1761266539</image:loc>
      <image:title>*1-Propanamine, 1000 µg/mL in MeOH, CAS # 107-10-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methyl-1-propanol-isobutyl-alcohol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e79714c9-3750-406a-86c2-bdcc3ce77d91.jpg?v=1761266543</image:loc>
      <image:title>*2-Methyl-1-propanol (Isobutyl alcohol), 5.0 mg/mL in MeOH, CAS # 78-83-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-nitrophenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c3229ab9-42d5-425d-b04a-65726c477827.jpg?v=1761266547</image:loc>
      <image:title>*3-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 554-84-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-methyl-ethyl-benzene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b64ed89e-57da-4a55-b266-12b048db391e.jpg?v=1761266550</image:loc>
      <image:title>*1-Methyl ethyl benzene, 5.0 mg/mL in MeOH, CAS # 98-82-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionic-acid-5-0-mg-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fda2e9ea-4e2b-44a1-92f8-9fbcec673e94.jpg?v=1761266554</image:loc>
      <image:title>*Propionic acid, 5.0 mg/mL in Acetonitrile, CAS # 79-09-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methacrylonitrile-1000-ug-ml-in-methanol-cas-126-98-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6fe1ccbb-f88e-46b7-b19a-dccc1364a320.jpg?v=1761266557</image:loc>
      <image:title>*Methacrylonitrile, 1000 µg/mL in MeOH, CAS # 126-98-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-methacrylate-1000-ug-ml-in-methanol-cas-97-63-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23d961d3-abbe-47a8-9948-f6cd92a096ad.jpg?v=1761266561</image:loc>
      <image:title>*Ethyl methacrylate, 1000 µg/mL in MeOH, CAS # 97-63-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-picoline-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0113cf3-336e-4ba4-8221-4c190892d52a.jpg?v=1761266565</image:loc>
      <image:title>*2-Picoline, 5.0 mg/mL in MeOH, CAS # 109-06-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resorcinol-5-0-mg-ml-in-methanol-cas-108-46-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e63eb6be-1de8-4fc8-911c-99e5e7485faf.jpg?v=1761266568</image:loc>
      <image:title>*Resorcinol, 5.0 mg/mL in MeOH, CAS # 108-46-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzonitrile-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6fbf5b2-4c66-47d2-a051-2cc2c641ff62.jpg?v=1761266572</image:loc>
      <image:title>*Benzonitrile, 1000 µg/mL in Acetonitrile, CAS # 100-47-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/picloram-1000-ug-ml-in-acetonitrile-cas-6607</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5b1e1bec-0fb5-440a-96a4-644d8da2710d.jpg?v=1761266575</image:loc>
      <image:title>*Picloram, 1000 µg/mL in Acetonitrile, CAS # 1918-02-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbofuran-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_720707fe-1080-4a7b-889b-ff2ec3819420.jpg?v=1761266578</image:loc>
      <image:title>*Carbofuran, 5.0 mg/mL in MeOH, CAS # 1563-66-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/famphur-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2bb86793-2ea2-4a72-92bd-d090dcd60061.jpg?v=1761266582</image:loc>
      <image:title>*Famphur, 1000 µg/mL in Acetonitrile, CAS # 52-85-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methomyl-lannate-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f55e1ece-c255-4b87-8c60-cfb4e5e8e192.jpg?v=1761266586</image:loc>
      <image:title>*Methomyl (Lannate), 1000 µg/mL in Acetonitrile, CAS # 16752-77-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/gamma-chlordane-1000-ug-ml-in-acetonitrile-cas-5103-74-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_04ad8479-e678-471f-aae1-55e02934ca35.jpg?v=1761266589</image:loc>
      <image:title>*g-chlordane, 1000 µg/mL in Acetonitrile, CAS # 5103-74-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isodrin-5-0-mg-ml-in-methanol-cas-465-73-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_43ca0b14-c4ee-40b4-a5a6-1a6759997454.jpg?v=1761266593</image:loc>
      <image:title>*Isodrin, 5.0 mg/mL in MeOH, CAS # 465-73-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-cyclohexyl-4-6-dinitrophenol-dinex-1000-ug-ml-in-methanol-cas-131-89-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_18bae71a-8406-468f-b0e0-9dbe0245f9c4.jpg?v=1761266596</image:loc>
      <image:title>*2-Cyclohexyl-4,6-dinitrophenol (Dinex), 1000 µg/mL in MeOH, CAS # 131-89-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alpha-chlordane-1000-ug-ml-in-methanol-cas-5103-71-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bdee3c4e-d37a-4d8f-b168-a246943277a0.jpg?v=1761266600</image:loc>
      <image:title>*a-Chlordane, 1000 µg/mL in MeOH, CAS # 5103-71-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dichloro-2-propanol-5-0-mg-ml-in-methanol-cas-96-23-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c00221f0-9b87-4f35-af06-201644fac4bf.jpg?v=1761266603</image:loc>
      <image:title>*1,3-Dichloro-2-propanol, 5.0 mg/mL in MeOH, CAS # 96-23-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-diaminotoluene-1000-ug-ml-in-methanol-cas-95-80-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eb657e22-67e5-4e9c-9c01-944713e31a44.jpg?v=1761266607</image:loc>
      <image:title>*2,4-Diaminotoluene, 1000 µg/mL in MeOH, CAS # 95-80-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-p-methoxychlor-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0826f70a-cea7-4ee4-84fb-1ed7aebb154e.jpg?v=1761266610</image:loc>
      <image:title>*p,p&apos;-Methoxychlor, 1000 µg/mL in MeOH, CAS # 72-43-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aldicarb-95-98-1000-ug-ml-in-acetonitrile-cas-116-06-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8d2affe9-0c17-4b57-9afa-d2cd3c3f5f39.jpg?v=1761266613</image:loc>
      <image:title>*Aldicarb Standard, 1000 µg/mL in Acetonitrile, CAS # 116-06-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitroso-n-methyl-ethylamine-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_908a5af7-7eab-4deb-b954-ae4c4fb1139e.jpg?v=1761266617</image:loc>
      <image:title>*N-Nitroso-N-methyl ethylamine, 1000 µg/mL in Methanol, CAS # 10595-95-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dibromo-3-chloropropane-5-0-mg-ml-in-methanol-cas-96-12-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_17da51c5-03d5-4f40-8d81-0c88bd4a629d.jpg?v=1761266621</image:loc>
      <image:title>*1,2-Dibromo-3-chloropropane, 5.0 mg/mL in MeOH, CAS # 96-12-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aldicarb-sulfone-1000-ug-ml-in-acetonitrile-cas-1646-88-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5f560621-edfb-4db7-baf6-09cab7d641ac.jpg?v=1761266624</image:loc>
      <image:title>*Aldicarb sulfone, 1000 µg/mL in Acetonitrile, CAS # 1646-88-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aldicarb-sulfoxide-1000-ug-ml-in-acetonitrile-cas-1646-87-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c267c2a2-28f2-4bed-861e-f199b715e0ad.jpg?v=1761266628</image:loc>
      <image:title>*Aldicarb sulfoxide, 1000 µg/mL in Acetonitrile, CAS # 1646-87-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/maleic-anhydride-1000-ug-ml-in-acetone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e5bda82-627e-4cda-8df0-f102bec43e16.jpg?v=1761266631</image:loc>
      <image:title>*Maleic anhydride, 1000 µg/mL in Acetone, CAS # 108-31-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-ketone-95-98-1000-ug-ml-in-acetonitrile-cas-53494-70-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_71d6c23b-d15c-44e8-822e-35bf0d405087.jpg?v=1761266635</image:loc>
      <image:title>*Endrin ketone (95-98%), 1000 µg/mL in Acetonitrile, CAS # 53494-70-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alachlor-1000-ug-ml-in-methanol-as-e1089-cas-15972-60-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_94204e35-d00a-41d3-8377-78dd072d8de2.jpg?v=1761266638</image:loc>
      <image:title>*Alachlor, 1000 µg/mL in MeOH, CAS # 15972-60-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/atrazine-1000-ug-ml-in-methanol-as-e1090-cas-1912-24-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_19a4adc7-ab3d-4439-82c0-e52de6ff7e9a.jpg?v=1761266642</image:loc>
      <image:title>*Atrazine, 1000 µg/mL in Methanol, CAS # 1912-24-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromomethane-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_15037995-a0f1-49bb-974c-a5914d600109.jpg?v=1761266645</image:loc>
      <image:title>*Dibromomethane, 5.0 mg/mL in MeOH, CAS # 74-95-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trimethylbenzene-5-0-mg-ml-in-methanol-cas-108-67-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_06ab377c-fd7d-493b-b717-02c5a1032fb9.jpg?v=1761266649</image:loc>
      <image:title>*1,3,5-Trimethylbenzene, 5.0 mg/mL in MeOH, CAS # 108-67-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sec-butylbenzene-5-0-mg-ml-in-methanol-cas-135-98-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c0981ac3-1fa8-41b9-90f3-7db0af3b96f4.jpg?v=1761266653</image:loc>
      <image:title>*sec-Butylbenzene, 5.0 mg/mL in MeOH, CAS # 135-98-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butylbenzene-5-0-mg-ml-in-methanol-cas-104-51-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_37e91732-cf5e-4900-ac6a-770f9d011f4c.jpg?v=1761266657</image:loc>
      <image:title>*n-Butylbenzene, 5.0 mg/mL in Methanol, CAS # 104-51-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tert-butylbenzene-5-0-mg-ml-in-methanol-cas-98-06-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6ffd4dd5-740a-4148-8496-f26ae30c9e30.jpg?v=1761266660</image:loc>
      <image:title>*tert-Butylbenzene, 5.0 mg/mL in Methanol, CAS # 98-06-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-trimethylbenzene-95-98-5-0-mg-ml-in-methanol-cas-95-63-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1ce0b633-e220-4054-90f6-193ed9aab6d6.jpg?v=1761266664</image:loc>
      <image:title>*1,2,4-Trimethylbenzene (95-98%), 5.0 mg/mL in MeOH, CAS # 95-63-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-isopropyltoluene-p-cymene-95-98-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e0e6b005-3209-4648-bef0-9cfd00a74fe2.jpg?v=1761266668</image:loc>
      <image:title>*4-Isopropyltoluene (p-Cymene) (95-98%), 5.0 mg/mL in MeOH, CAS # 99-87-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dichloropropane-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c91bb3d-cdcb-4347-aa51-7bd0041ef1cd.jpg?v=1761266671</image:loc>
      <image:title>*1,3-Dichloropropane, 5.0 mg/mL in Methanol, CAS # 142-28-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-propylbenzene-1-phenylpropane-5-0-mg-ml-in-methanol-cas-103-65-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_668c7f2d-9f8e-4347-a526-cd5dbf4cbacb.jpg?v=1761266675</image:loc>
      <image:title>*n-Propylbenzene (1-Phenylpropane), 5.0 mg/mL in MeOH, CAS # 103-65-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-dichloro-1-propylene-95-98-5000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_49ad4b71-5678-4d65-be3c-6adfd46f2a81.jpg?v=1761266679</image:loc>
      <image:title>*1,1-Dichloro-1-propylene (95-98%), 5000 µg/mL in MeOH, CAS # 563-58-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-dichloropropane-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e8b8d294-0fbf-41c7-a375-c46a20a64049.jpg?v=1761266683</image:loc>
      <image:title>*2,2-Dichloropropane, 5.0 mg/mL in MeOH, CAS # 594-20-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloral-hydrate-1000-ug-ml-in-acetone-cas-302-17-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a44206d8-014b-4da9-9762-3545400d5b5f.jpg?v=1761266687</image:loc>
      <image:title>*Chloral hydrate, 1000 µg/mL in Acetone, CAS # 302-17-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-trichloroacetone-1000-ug-ml-in-acetone-cas-918-00-3-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23f80349-fa5d-4144-952c-2e0f2a71ed3c.jpg?v=1761266690</image:loc>
      <image:title>*1,1,1-Trichloroacetone, 1000 µg/mL in Acetone, CAS # 918-00-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromochloroacetonitrile-1000-ug-ml-in-acetone-cas-83463-62-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b399aa0d-bf74-4c99-bb82-4c224fa229d2.jpg?v=1761266694</image:loc>
      <image:title>*Bromochloroacetonitrile, 1000 µg/mL in Acetone, CAS # 83463-62-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/btex-mix-2-0-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_380e7f9f-0e43-470f-9208-9b73b2bfd1cb.jpg?v=1761266697</image:loc>
      <image:title>*BTEX Mix, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tclp-volatiles-mix-2-0-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_407440d4-c36b-409d-987d-a3095700b541.jpg?v=1761266701</image:loc>
      <image:title>*TCLP Volatiles Mix, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-compounds-ix-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e3b88ae4-5d30-484f-b469-47c1f1715943.jpg?v=1761266705</image:loc>
      <image:title>*Volatile Compounds IX, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/basic-extractables-i-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e8ee8169-3a21-4ecb-82c8-1b258588510c.jpg?v=1761266709</image:loc>
      <image:title>*Basic Extractables I, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-compounds-vii-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f2b03a0c-1e48-4391-80e2-680ebd496618.jpg?v=1761266713</image:loc>
      <image:title>*Volatile Compounds VII, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acid-extractables-ii-1000-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e81566a9-8b67-4ca4-9a01-c5853a1ffa93.jpg?v=1761266716</image:loc>
      <image:title>*Acid Extractables II, 1000 µg/mL in Dichloromethane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aromatics-2-0-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f22fdb45-1305-4ba5-beba-343368184b3e.jpg?v=1761266720</image:loc>
      <image:title>*Aromatics , 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-1000-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9c727a41-8495-4d26-a263-9504f04d8a12.jpg?v=1761266724</image:loc>
      <image:title>*Pesticide Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pna-mix-0-2-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2cdfd62b-c8ec-4783-b710-288828db4b0d.jpg?v=1761266731</image:loc>
      <image:title>*PNA Mix, 0.2 mg/mL in Dichloromethane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pna-mix-1000-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_adce9924-22e6-4a6a-ae97-edba7d025b73.jpg?v=1761266735</image:loc>
      <image:title>*PNA Mix, 1000 µg/mL in Dichloromethane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ketones-0-2-mg-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8f5e9c33-0798-4da3-a60d-eddbc0acfb7a.jpg?v=1761266738</image:loc>
      <image:title>***Ketones, 0.2 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ketones-1000-ug-ml-in-methanol-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_259b4c9f-f1d3-4963-91e1-c14f263ef015.jpg?v=1761266742</image:loc>
      <image:title>*Ketones, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/organic-acids-surrogate-2-0-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_51ecb646-011b-4cb5-90ac-228f5846b0a7.jpg?v=1761266745</image:loc>
      <image:title>*Organic Acids Surrogate, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-500-0-2-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_abeeee82-fae7-4baa-90cb-b430f849bcba.jpg?v=1761266749</image:loc>
      <image:title>*Volatiles Mix 500, 0.2 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-500-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cc91bcfe-86fb-400e-bf50-4fc89263dc64.jpg?v=1761266753</image:loc>
      <image:title>*Volatiles Mix 500, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-200-0-2-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5c79004a-d827-4bb3-93ce-19909f7f9c00.jpg?v=1761266756</image:loc>
      <image:title>*Volatiles Mix 200, 0.2 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-200-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_82c687f1-d793-4ec7-844a-1b9091279589.jpg?v=1761266760</image:loc>
      <image:title>*Volatiles Mix 200, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-300b-dichlordifluoromethane-vinyl-chloride-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_93f60fff-35c7-43ed-ac0d-5060c3c5b913.jpg?v=1761266763</image:loc>
      <image:title>*Volatiles Mix 300B - Dichlordifluoromethane &amp; Vinyl chloride, 1000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-350-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_175853d2-d6c7-443e-8741-ded3313ea7ff.jpg?v=1761266767</image:loc>
      <image:title>*Volatiles Mix 350, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-300a-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a86013d5-363d-4b61-90c3-04ed8a6a09ca.jpg?v=1761266592</image:loc>
      <image:title>*Volatiles Mix 300A, 1000 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-600-0-2-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0bc3ba89-7e27-4fef-8ebf-321f2c39ab8f.jpg?v=1761266595</image:loc>
      <image:title>*Volatiles Mix 600, 0.2 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-600-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8219c47c-3a52-4f58-a2de-95d334f1c751.jpg?v=1761266599</image:loc>
      <image:title>*Volatiles Mix 600, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-100-0-2-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7e3db016-91ee-4642-ac4e-749b96d530f1.jpg?v=1761266603</image:loc>
      <image:title>*Volatiles Mix 100, 0.2 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-100-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_075c2b6a-aad4-4329-8b07-7e0d24c51ed9.jpg?v=1761266606</image:loc>
      <image:title>*Volatiles Mix 100, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-400-0-2-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8132f143-4936-425d-af22-5f58757901a3.jpg?v=1761266610</image:loc>
      <image:title>*Volatiles Mix 400, 0.2 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-400-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aa61c102-225a-4a8c-a7d3-822afc2a6d96.jpg?v=1761266614</image:loc>
      <image:title>*Volatiles Mix 400, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-700-acrolein-acrylonitrile-1000-ug-ml-in-thf</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e65f1136-4bc5-4eca-8dbc-1ee2692227a7.jpg?v=1761266617</image:loc>
      <image:title>*Volatiles Mix 700 - Acrolein &amp; Acrylonitrile, 1000 µg/mL in THF, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tclp-pesticide-mix-1000-ug-ml-in-methanol-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f391b10-2a3e-4e35-bd1b-fc0d434e78e3.jpg?v=1761266621</image:loc>
      <image:title>*TCLP Pesticide Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phthalates-mix-1000-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a67dd01c-8df2-4ca0-9908-a9bee60638ea.jpg?v=1761266625</image:loc>
      <image:title>*Phthalates Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbamates-mix-1000-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_baa8d88b-ad1f-48c1-946b-fb14364610f6.jpg?v=1761266628</image:loc>
      <image:title>*Carbamates Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenols-mix-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2cdb404e-b2c2-40a2-94c6-6d0aa6796dd1.jpg?v=1761266632</image:loc>
      <image:title>*Phenols Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/haloethers-mix-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_27d57369-a767-426f-8e1d-4e3645dec3f8.jpg?v=1761266635</image:loc>
      <image:title>*Haloethers Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorinated-hydrocarbons-mix-0-8-mg-ml-in-methanol-benzene-50-50</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a35d2c1-a870-4551-b91e-3a73cbd57469.jpg?v=1761266638</image:loc>
      <image:title>*Chlorinated Hydrocarbons Mix, 0.8 mg/mL in Methanol:Benzene (50:50), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/base-neutrals-mix-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_acccb65d-2e39-4227-a598-c30b8875ff36.jpg?v=1761266645</image:loc>
      <image:title>*Base/Neutrals Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitroaromatics-isophorone-mix-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_09fc9af2-9964-42e0-b960-2637322602bd.jpg?v=1761266649</image:loc>
      <image:title>*Nitroaromatics &amp; Isophorone Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrosamines-mix-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7df7f133-75d2-4bb4-be11-6568c24c13a1.jpg?v=1761266652</image:loc>
      <image:title>*Nitrosamines Mix, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tclp-base-neutrals-mix-2-0-mg-ml-in-methanol-benzene-50-50</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5b263b4d-2d3c-453d-b59b-0ccc3e275cf8.jpg?v=1761266656</image:loc>
      <image:title>*TCLP Base/Neutrals Mix, 2.0 mg/mL in Methanol:Benzene (50:50), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/surrogates-mixture-2-5-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_998e0271-2f0b-4b86-842c-7d96841a7177.jpg?v=1761266667</image:loc>
      <image:title>*Surrogates Mixture, 2.5 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-mix-450-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d16c5a68-ece6-4a0d-b17e-43e46496abfa.jpg?v=1761266674</image:loc>
      <image:title>*Volatile Mix 450, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-150-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5902a411-4b47-4ab4-adae-1afd35a31821.jpg?v=1761266678</image:loc>
      <image:title>*Volatiles Mix 150, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-250-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6e3c2836-9c47-426d-a4fe-7554187b269a.jpg?v=1761266681</image:loc>
      <image:title>*Volatiles Mix 250, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/purgeable-aromatics-mix-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_73a40940-be52-4d03-96f1-24b65ffb6dcb.jpg?v=1761266689</image:loc>
      <image:title>*Purgeable Aromatics Mix, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aromatic-volatile-organics-mix-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0dc9f9ac-f78d-4e82-9575-5584a4fbbf8c.jpg?v=1761266693</image:loc>
      <image:title>*Aromatic Volatile Organics Mix, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-mix-850-2-0-mg-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_00e2ba1a-e25e-4a27-b761-f7d2d70d0ec9.jpg?v=1761266696</image:loc>
      <image:title>*Volatile Mix 850, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-mix-750-2-0-mg-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_597bb720-5bf3-428e-a933-3cb42d8c403b.jpg?v=1761266700</image:loc>
      <image:title>***Volatile Mix 750, 2.0 mg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-1-varied-conc-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eab7a191-0612-41fc-bfeb-cf87d4b449b3.jpg?v=1761266707</image:loc>
      <image:title>*Calibration Mix 1, Varied conc. in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-mix-900-2-0-mg-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_141f99ed-0f69-439a-8b27-f56ae5866460.jpg?v=1761266711</image:loc>
      <image:title>***Volatile Mix 900, 2.0 mg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resolution-check-mix-varied-conc-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6b7fe71c-0f64-4837-8a69-1f00bcb79036.jpg?v=1761266715</image:loc>
      <image:title>*Resolution Check Mix, Varied conc. in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/performance-evaluation-mix-varied-conc-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_46c0be8d-ba41-48d6-b67e-acde19c43bcc.jpg?v=1761266718</image:loc>
      <image:title>*Performance Evaluation Mix, Varied conc. in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/purgeable-surrogate-standard-2-5-mg-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_817ac7e6-d398-474c-b5c6-f54f0d58972c.jpg?v=1761266722</image:loc>
      <image:title>*Purgeable Surrogate Standard, 2.5 mg/mL in MeOH, ASM-181, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/semi-volatile-internal-standards-methylene-chloride-carbon-disulfide-4-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9d89bcdc-5320-4d52-9d35-785ccfc1d28d.jpg?v=1761266725</image:loc>
      <image:title>*Semi-Volatile Internal Standards, Methylene Chloride:Carbon disulfide (4:1), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/organochlorine-pesticide-mix-1-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e8ff59ff-3cbd-4dea-8bd5-35693dd788af.jpg?v=1761266729</image:loc>
      <image:title>*Organochlorine Pesticide Mix 1, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/organochlorine-pesticide-mix-2-1000-ug-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_73174e62-44e2-4258-bbbf-bcd616e0dacc.jpg?v=1761266733</image:loc>
      <image:title>***Organochlorine Pesticide Mix 2, 1000 µg/mL in MeOH, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ec7-pcb-congener-mixture-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1d1986e1-3cf7-422f-8faa-69252c37a76d.jpg?v=1761266737</image:loc>
      <image:title>*EC7 PCB Congener Mixture, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticides-in-dried-cannabis-standard-100-ug-ml-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9bbc6b7e-c709-452d-bf1b-a2c6e40035ef.jpg?v=1761266740</image:loc>
      <image:title>*Pesticides in Dried Cannabis Standard, 100 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/analysis-of-benzene-with-calibration-and-blank</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_426d9604-2e25-4323-b7d9-8230c0dfa007.jpg?v=1761266744</image:loc>
      <image:title>*Analysis of Benzene with Calibration and Blank, 2 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resolution-check-mix-for-fire-debris-analysis-2-0-mg-ml-in-dichloromethane-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f270e643-2da9-4719-992c-485d1db76e22.jpg?v=1761266748</image:loc>
      <image:title>*Resolution Check Mix for Fire Debris Analysis, 2.0 mg/mL in Dichloromethane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resolution-check-mix-for-fire-debris-analysis-2-0-mg-ml-in-dichloromethane-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3a1fe55a-03cc-4f60-9905-f0e78da013ce.jpg?v=1761266751</image:loc>
      <image:title>*Resolution Check Mix for Fire Debris Analysis, 2.0 mg/mL in Dichloromethane, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/test-mix-for-fire-debris-analysis-0-05-v-v-0-50-ul-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5d722cf1-2507-45eb-b96c-095541f8ddf4.jpg?v=1761266755</image:loc>
      <image:title>*Test Mix for Fire Debris Analysis, 0.05% v/v (0.50 µl/ml) in Methylene chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/test-mix-for-fire-debris-analysis-0-05-v-v-0-50-ul-ml-in-methylene-chloride-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0294e524-2843-4980-82dd-658437e7f8a5.jpg?v=1761266758</image:loc>
      <image:title>*Test Mix for Fire Debris Analysis, 0.05% v/v (0.50 µl/ml) in Methylene chloride, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-1000-ug-ml-in-toluene-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eff0bc13-6b3a-469a-8d3c-ee619c9cf119.jpg?v=1761266762</image:loc>
      <image:title>*Sulfur Standard, Sulfur, 1000 µg/mL in Toluene, CAS # 7704-34-9, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-standard-sulfur-1000-ug-ml-in-xylenes</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_59c0754c-c8cc-4985-a02e-d1f7f25fdbe2.jpg?v=1761266765</image:loc>
      <image:title>*Sulfur Standard, Sulfur, 1000 µg/mL in Xylenes, CAS # 7704-34-9, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/piano-n-paraffin-mix-varied-conc-by-w-w</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c29ec9f-74e1-4807-9323-fbe7a16dbd94.jpg?v=1761266769</image:loc>
      <image:title>*PIANO n-Paraffin Mix, Varied Conc by %w/w, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/stock-sim-dis-paraffin-solution-varied-conc-by-weight</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_361c2309-2441-4249-ba7f-ce4b6e70ac82.jpg?v=1761266773</image:loc>
      <image:title>*Stock Sim Dis Paraffin Solution, Varied conc. by weight, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polywax-500-cas-9002-88-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_64553546-0793-4767-9349-1c2a3f7b9f34.jpg?v=1761266777</image:loc>
      <image:title>Polywax 500, Neat, 2 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/working-level-simdis-paraffin-solution-varied-conc-in-carbon-disulfide-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9c84d015-01b2-4e57-b6da-c8876f148e69.jpg?v=1761266781</image:loc>
      <image:title>*Working Level Sim Dis Paraffin Solution, Varied conc. in Carbon disulfide, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/working-level-simdis-paraffin-solution-varied-conc-in-carbon-disulfide-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f46371c9-878d-4bf0-845c-34acedd99905.jpg?v=1761266784</image:loc>
      <image:title>*Working Level Sim Dis Paraffin Solution, Varied conc. in Carbon disulfide, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polywax-655-cas-900288-46-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec0cdcb4-abe7-4203-9c6c-6427fb179313.jpg?v=1761266788</image:loc>
      <image:title>Polywax 655, Neat, 2 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethanol-in-gasoline-set-astm-p-0061-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a045e18f-1793-40f9-b474-84f001fffb9c.jpg?v=1761266791</image:loc>
      <image:title>*Ethanol in Gasoline Set, ASTM-P-0061-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethanol-in-gasoline-set-astm-p-0062-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_510311a4-08a7-49c0-b9be-27879a95a2bc.jpg?v=1761266795</image:loc>
      <image:title>*Ethanol in Gasoline Set, ASTM-P-0062-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tame-in-gasoline-set-astm-p-0063-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ae60cd0c-fdbc-4cd4-8796-a4d3533612aa.jpg?v=1761266799</image:loc>
      <image:title>*TAME in Gasoline Set, ASTM-P-0063-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tame-in-gasoline-set-astm-p-0064-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d41e5beb-2f80-4e97-9cb5-f182e6245447.jpg?v=1761266802</image:loc>
      <image:title>*TAME in Gasoline Set, ASTM-P-0064-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/etbe-in-gasoline-set-astm-p-0065-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_29340f22-2074-4d98-82c3-37a25e40b2d7.jpg?v=1761266806</image:loc>
      <image:title>*ETBE in Gasoline Set, ASTM-P-0065-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/etbe-in-gasoline-set-astm-p-0066-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_84473ba2-49bd-4ea0-aa93-eaa7c12c3526.jpg?v=1761266809</image:loc>
      <image:title>*ETBE in Gasoline Set, ASTM-P-0066-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mtbe-in-gasoline-set-astm-p-0067-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8ef4b410-2c51-44ed-9aee-806f678741f3.jpg?v=1761266813</image:loc>
      <image:title>*MTBE in Gasoline Set, ASTM-P-0067-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mtbe-in-gasoline-set-astm-p-0068-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d96ffbf9-9f46-47d5-8b06-318c15769ef2.jpg?v=1761266816</image:loc>
      <image:title>*MTBE in Gasoline Set, ASTM-P-0068-SET, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/alcohols-in-gasoline-set-3-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_27ffe8b0-5ea3-45c4-a776-36f6e35c793d.jpg?v=1761266820</image:loc>
      <image:title>*Alcohols in Gasoline Set, 3 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/low-level-nitrogen-calibration-set</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c46aad79-4b72-4fee-ace6-42a964172b9e.jpg?v=1761266823</image:loc>
      <image:title>*Low-Level Nitrogen Calibration Set, 6 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrogen-sulfur-calibration-set</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a38f3cf5-f17f-4bd9-8264-71bc371297e4.jpg?v=1761266826</image:loc>
      <image:title>*Nitrogen &amp; Sulfur Calibration Set, 4 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/proposed-o-pona-system-validation-mixture</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_abd34625-2321-4789-8d14-088735b18dd0.jpg?v=1761266830</image:loc>
      <image:title>*Proposed O-PONA System Validation Mixture, Varied Conc by wt%, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/proposed-o-pona-system-validation-mixture-varied-conc-by-wt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c26967b7-1059-4893-b662-7db6c22fe912.jpg?v=1761266833</image:loc>
      <image:title>*Proposed O-PONA System Validation Mixture, Varied Conc by wt%, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/proposed-o-pona-olefin-mixture-hexane-heptane-50-50</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aff3220c-6099-4c43-bf21-5a663250e438.jpg?v=1761266837</image:loc>
      <image:title>*Proposed O-PONA Olefin  Mixture, Varied Conc. in Hexane:Heptane (50:50), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/proposed-o-pona-olefin-mixture-varied-conc-in-hexane-heptane-50-50</loc>
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      <image:title>*Proposed O-PONA Olefin  Mixture, Varied Conc. in Hexane:Heptane (50:50), 5 x 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/proposed-o-pona-paraffin-mixture-varied-conc-in-heptane-hexane-50-50-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4c82a288-e081-4c1e-bb29-593817862079.jpg?v=1761266844</image:loc>
      <image:title>*Proposed O-PONA Paraffin  Mixture, Varied Conc in Heptane:Hexane (50:50), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/proposed-o-pona-paraffin-mixture-varied-conc-in-heptane-hexane-50-50-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_64f7dcf6-cb6c-43c1-a5d5-e7190181ae9e.jpg?v=1761266847</image:loc>
      <image:title>*Proposed O-PONA Paraffin  Mixture, Varied Conc in Heptane:Hexane (50:50), 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-pona-paraffin-standard-hexane-heptane-50-50-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6badbcf0-d389-4c82-a278-107114b317b2.jpg?v=1761266851</image:loc>
      <image:title>*O-PONA Paraffin Standard, Hexane Heptane (50:50), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-pona-paraffin-standard-hexane-heptane-50-50-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9470ad6e-cdd3-4823-baea-a89b542aa279.jpg?v=1761266854</image:loc>
      <image:title>*O-PONA Paraffin Standard, Hexane Heptane (50:50), 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydrogen-sulfide-2000-ug-ml-in-toluene-cas-2148878-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3c9bb9e2-8392-421c-bc7d-357b831528e1.jpg?v=1761266858</image:loc>
      <image:title>*Hydrogen Sulfide, 2000 µg/mL in Toluene, CAS # 7783-06-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbonyl-sulfide-2000-ug-ml-in-toluene-cas-463-58-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c289ebfe-3b5b-4fd5-8687-6c2d3299c186.jpg?v=1761266862</image:loc>
      <image:title>*Carbonyl sulfide, 2000 µg/mL in Toluene, CAS # 463-58-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-mercaptan-2000-ug-ml-in-toluene-cas-74-93-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d287a3b0-960b-45bf-bb2c-e5f462d443da.jpg?v=1761266865</image:loc>
      <image:title>*Methyl mercaptan, 2000 µg/mL in Toluene, CAS # 74-93-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-mercaptan-2000-ug-ml-in-toluene-cas-75-08-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3cc73a58-5527-4bbe-aca0-b290af6425c2.jpg?v=1761266869</image:loc>
      <image:title>*Ethyl mercaptan, 2000 µg/mL in Toluene, CAS # 75-08-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-sulfide-2000-ug-ml-in-toluene-cas-75-18-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a2499e59-6624-4cfa-bbac-d25ddffc5078.jpg?v=1761266872</image:loc>
      <image:title>*Methyl sulfide, 2000 µg/mL in Toluene, CAS # 75-18-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-disulfide-2000-ug-ml-in-toluene-cas-75-15-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f117ac7c-7701-4407-bc07-ea5daf24fe38.jpg?v=1761266876</image:loc>
      <image:title>*Carbon disulfide, 2000 µg/mL in Toluene, CAS # 75-15-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-propanethiol-2000-ug-ml-in-toluene-cas-75-33-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bef6351f-e2ba-47d9-8522-4b82db6e0a32.jpg?v=1761266879</image:loc>
      <image:title>*2-Propanethiol, 2000 µg/mL in Toluene, CAS # 75-33-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methyl-2-propanethiol-2000-ug-ml-in-toluene-cas-75-66-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9d28c591-6d1d-40e4-9f9e-866e4cda0595.jpg?v=1761266883</image:loc>
      <image:title>*2-Methyl-2-propanethiol, 2000 µg/mL in Toluene, CAS # 75-66-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-propanethiol-2000-ug-ml-in-toluene-cas-107-03-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_75b281f2-80b8-40c1-9bf1-687a250f4a44.jpg?v=1761266886</image:loc>
      <image:title>*1-Propanethiol, 2000 µg/mL in Toluene, CAS # 107-03-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-methyl-sulfide-2000-ug-ml-in-toluene-cas-624-89-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bb1c9295-7c5a-4953-bb79-b6cd87716737.jpg?v=1761266890</image:loc>
      <image:title>*Ethyl methyl sulfide, 2000 µg/mL in Toluene, CAS # 624-89-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/d-5623-sulfur-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b6015b8f-600c-4460-811a-543d6250884d.jpg?v=1761266893</image:loc>
      <image:title>*D-5623 Sulfur Set, 22 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-methyl-1-propanethiol-2000-ug-ml-in-toluene-cas-513-53-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b8e1cc0f-9254-4c42-82bc-9a993a4c0776.jpg?v=1761266897</image:loc>
      <image:title>*1-Methyl-1-propanethiol, 2000 µg/mL in Toluene, CAS # 513-53-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiophene-2000-ug-ml-in-toluene-cas-110-02-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e5dc1be2-0e86-4534-8f76-d4591f5dbe8e.jpg?v=1761266900</image:loc>
      <image:title>*Thiophene, 2000 µg/mL in Toluene, CAS # 110-02-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methyl-1-propanethiol-2000-ug-ml-in-toluene-cas-513-44-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c49f98f9-86c8-4b97-b9f3-70c2244eab56.jpg?v=1761266904</image:loc>
      <image:title>*2-Methyl-1-propanethiol, 2000 µg/mL in Toluene, CAS # 513-44-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-sulfide-2000-ug-ml-in-toluene-cas-352-93-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_65a48e19-c145-4cb4-9139-5b8d431a95b6.jpg?v=1761266907</image:loc>
      <image:title>*Diethyl sulfide, 2000 µg/mL in Toluene, CAS # 352-93-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-butanethiol-2000-ug-ml-in-toluene-cas-109-79-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ffece56d-04a4-40b5-b3cf-9731cbdc1b39.jpg?v=1761266911</image:loc>
      <image:title>*1-Butanethiol, 2000 µg/mL in Toluene, CAS # 109-79-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-disulfide-2000-ug-ml-in-toluene-cas-624-92-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7fc7e5f7-8bef-4354-a806-1c0e6c9bbe88.jpg?v=1761266915</image:loc>
      <image:title>*Methyl disulfide, 2000 µg/mL in Toluene, CAS # 624-92-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methylthiophene-2000-ug-ml-in-toluene-cas-554-14-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c0811b7f-df8c-46b8-8738-91fd09b44a89.jpg?v=1761266918</image:loc>
      <image:title>*2-Methylthiophene, 2000 µg/mL in Toluene, CAS # 554-14-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-methylthiophene-2000-ug-ml-in-toluene-cas-616-44-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7ae8622b-a9b6-4090-bb59-541d51e496af.jpg?v=1761266922</image:loc>
      <image:title>*3-Methylthiophene, 2000 µg/mL in Toluene, CAS # 616-44-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-disulfide-2000-ug-ml-in-toluene-cas-110-81-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c4f0a707-abab-4755-9c52-b5671cabbeea.jpg?v=1761266925</image:loc>
      <image:title>*Diethyl disulfide, 2000 µg/mL in Toluene, CAS # 110-81-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-methylbenzothiophene-2000-ug-ml-in-toluene-cas-1455-18-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_570e67df-6c77-40a9-9614-4254e6005243.jpg?v=1761266929</image:loc>
      <image:title>*3-Methylbenzothiophene, 2000 µg/mL in Toluene, CAS # 1455-18-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-methylbenzobthiophene-2000-ug-ml-in-toluene-cas-14315-14-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9ff52551-475b-4b0f-a29d-efa9170accfb.jpg?v=1761266933</image:loc>
      <image:title>*5-Methylbenzo(b)thiophene, 2000 µg/mL in Toluene, CAS # 14315-14-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenyl-sulfide-2000-ug-ml-in-toluene-cas-139-66-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_12ffdb32-5528-4953-a3d4-134b741c8b47.jpg?v=1761266936</image:loc>
      <image:title>*Diphenyl sulfide, 2000 µg/mL in Toluene, CAS # 139-66-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/proposed-astm-method-for-chlorine-analysis</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a431c8c8-f4ef-4d0c-860d-9a7b0f20809c.jpg?v=1761266940</image:loc>
      <image:title>*Proposed ASTM Method for Chlorine Analysis, 7 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-std-02-10-ug-g-in-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0e9013fb-4fc1-47a9-b303-fe282c198545.jpg?v=1761266943</image:loc>
      <image:title>Chlorine STD 02, 10 µg/g in 75 cst Mineral oil, CAS # 7782-50-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-std-06-10000-ug-g-in-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8ed2135a-4fbd-46b7-b55e-7929dc787bbb.jpg?v=1761266947</image:loc>
      <image:title>Chlorine STD 06, 10000 µg/g in 75 cst Mineral oil, CAS # 7782-50-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-std-05-1000-ug-g-in-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c36b915a-4319-422e-a44b-1f615e6da948.jpg?v=1761266776</image:loc>
      <image:title>Chlorine STD 05, 1000 µg/g in 75 cst Mineral Oil, CAS # 7782-50-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-std-03-100-ug-g-in-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5f062c4f-0a9f-4906-b184-3c289acc370c.jpg?v=1761266779</image:loc>
      <image:title>Chlorine STD 03, 100 µg/g in 75 cst Mineral Oil, CAS # 7782-50-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-std-07-50000-ug-g-in-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b35f0fd2-e6ef-466f-86fc-26d7ad614906.jpg?v=1761266783</image:loc>
      <image:title>Chlorine STD 07, 50000 µg/g in 75 cst Mineral oil, CAS # 7782-50-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-std-04-500-ug-g-in-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2609b39b-ca9f-4fe1-9645-c6476b51f728.jpg?v=1761266786</image:loc>
      <image:title>Chlorine STD 04, 500 µg/g in 75 cst Mineral oil, CAS # 7782-50-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorine-blank-std-01-75-cst-mineral-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2e4fc317-dd89-43fc-922e-7b2f92f6a631.jpg?v=1761266790</image:loc>
      <image:title>Chlorine Blank STD 01, Base Oil, CAS # 64742-65-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lubricating-oil-calibration-curve-astm-p-0110-set</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_47c1d668-7123-47c7-9767-fe0202f2e3a7.jpg?v=1776873030</image:loc>
      <image:title>*Lubricating Oil Calibration Curve, ASTM-P-0110-SET, 17 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lubricating-oil-calibration-curve-astm-p-0117-set</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_764bef96-595f-43ff-94c7-7eebf6a4daa5.jpg?v=1776873035</image:loc>
      <image:title>*Lubricating Oil Calibration Curve, ASTM-P-0117-SET, 10 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/system-performance-standard-varied-conc-in-n-heptane-5-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ea441a58-7bc2-425c-8d48-dd0327a0d05e.jpg?v=1761266862</image:loc>
      <image:title>*System Performance Standard, Varied conc. in n-Heptane, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/system-performance-standard-varied-conc-in-n-heptane-5-x-5-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e3afc616-f1d9-47a6-9035-74eb7d09cacb.jpg?v=1761266866</image:loc>
      <image:title>*System Performance Standard, Varied conc. in n-Heptane, 5 x 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ip-391-95-calibration-curve</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2ea04882-5ec9-4c28-bf2f-7c3bda473396.jpg?v=1761266869</image:loc>
      <image:title>*IP 391-95 Calibration Curve, 4 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polywax-850-cas-9002-88-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a0a45410-81c3-4eec-b8f6-ab11540a1d84.jpg?v=1761266873</image:loc>
      <image:title>Polywax 850, Neat, 2 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-component-deuterated-istd-standard-varied-mass-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cf0b15c8-45b3-4ef9-bfb0-46405455d6a8.jpg?v=1761266880</image:loc>
      <image:title>*3 Component Deuterated ISTD Standard, Varied  mass% in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-component-deuterated-istd-standard-varied-mass-in-isooctane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_93d81286-7f71-46e4-b220-01783ee3cc4b.jpg?v=1761266884</image:loc>
      <image:title>*4 Component Deuterated ISTD Standard, Varied  mass% in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-component-deuterated-istd-standard-varied-mass-in-isooctane-5-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0a766884-3391-43b9-9f73-d8e9206844bc.jpg?v=1761266887</image:loc>
      <image:title>*4 Component Deuterated ISTD Standard, Varied  mass% in Isooctane, 5 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-component-deuterated-istd-standard-varied-mass-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_859c43fb-2b77-4486-a179-274fb7a46a75.jpg?v=1761266890</image:loc>
      <image:title>*3 Component Deuterated ISTD Standard, Varied  mass% in Isooctane, 5 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/performance-evaluation-varied-mass-in-isooctane-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d1de817d-d697-47d0-8534-2e942a488a34.jpg?v=1761266894</image:loc>
      <image:title>*Performance Evaluation, Varied  mass% in Isooctane:Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/performance-evaluation-varied-mass-in-isooctane-toluene-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_714d6db9-7b86-4b6f-8272-c524be723b51.jpg?v=1761266898</image:loc>
      <image:title>*Performance Evaluation, Varied  mass% in Isooctane:Toluene, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/daily-qc-standard-varied-mass-in-isooctane-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d4e749a1-e176-48b0-9633-251cc0f24d5c.jpg?v=1761266902</image:loc>
      <image:title>*Daily QC Standard, Varied  mass% in Isooctane, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/daily-qc-standard-varied-mass-in-isooctane-5-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ffa140b-6b5c-4e6e-9d75-b1ff70297e9f.jpg?v=1761266905</image:loc>
      <image:title>*Daily QC standard, Varied  mass% in Isooctane, 5 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrosamines-for-waste-water-is-2-ug-ml-water-methanol-98-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4f696766-e1e4-4362-86a1-eed0938d7cb1.jpg?v=1761266909</image:loc>
      <image:title>*Nitrosamines in Water (IS), 2 µg/mL Water:Methanol (98:2), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrosamines-for-waste-water-2-ug-ml-in-water-methanol-98-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7f75839c-4f15-48c4-8ffa-4d30615119c3.jpg?v=1761266913</image:loc>
      <image:title>*ASTM D8456 Nitrosamines in Water, 2 µg/mL in Water:Methanol (98:2), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/terpenoids-in-cannabis-standard-2500-ug-ml-in-isopropanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8c654183-48ba-47ac-8f4e-19e32fd6725b.jpg?v=1761266917</image:loc>
      <image:title>*Terpenoids in Cannabis Standard, 2500 µg/mL in Isopropanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/terpenoids-in-cannabis-internal-standard-1000-ug-ml-in-isopropanol-cas-1216673-02-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_40e703a8-bccc-47f8-8bfb-68954463d3e4.jpg?v=1761266920</image:loc>
      <image:title>*Terpenoids in Cannabis Internal Standard, 1000 µg/mL in Isopropanol, CAS # 1216673-02-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/terpenoids-in-cannabis-internal-standard-1000-ug-ml-in-isopropanol-cas-1216673-02-7-5-x-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_29c8bb41-438f-4be6-95f3-604bfa757eae.jpg?v=1761266924</image:loc>
      <image:title>*Terpenoids in Cannabis Internal Standard, 1000 µg/mL in Isopropanol, CAS # 1216673-02-7, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-cumylphenol-20-ug-g-in-toluene-cas-599-64-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c4a2520a-d742-4700-bdce-d0ff13d45457.jpg?v=1761266927</image:loc>
      <image:title>*4-Cumylphenol, 20 µg/g in Toluene, CAS # 599-64-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-cumylphenol-standard-1000-ug-g-in-toluene-cas-599-64-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2579e767-6698-4fdb-b520-7bb905a649f6.jpg?v=1761266931</image:loc>
      <image:title>*4-Cumylphenol Standard, 1000 µg/g in Toluene, CAS # 599-64-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vapor-pressure-68-3kpa-9-91-psi</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4915d32e-8e94-41f1-b510-4328fecba989.jpg?v=1761266935</image:loc>
      <image:title>*Vapor Pressure - 68.3kPa (9.91 psi), CAS # 287-92-3, 10 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vapor-pressure-51-1kpa-7-41-psi</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_80f1af73-90b1-449c-b1f6-bd75543ac23a.jpg?v=1761266938</image:loc>
      <image:title>*Vapor Pressure - 51.1kPa (7.41 psi), CAS # 79-29-8, 10 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vapor-pressure-46-7kpa-6-77-psix-10-x-10ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d614021e-93a7-4a21-b286-5d48103f58a9.jpg?v=1761266942</image:loc>
      <image:title>*Vapor Pressure - 46.7kPa (6.77 psi), CAS # 107-83-5, 10 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vapor-pressure-22-5kpa-3-26-psi</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_523e8f79-3d75-46dc-904e-df12833d08e7.jpg?v=1761266946</image:loc>
      <image:title>*Vapor Pressure - 22.5kPa (3.26 psi), CAS # 110-82-7, 10 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vapor-pressure-7-1kpa-1-03-psi-10-x-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fc275d17-dfd1-455f-a55d-43f8f8e65315.jpg?v=1761266949</image:loc>
      <image:title>*Vapor Pressure - 7.1kPa (1.03 psi), CAS # 108-88-3, 10 x 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/v-l-temp-36-1-c-96-9-f</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_25d17ddd-d1e1-4bea-9a2c-14472005e2a2.jpg?v=1761266953</image:loc>
      <image:title>*V / L Temp - 36.1°C (96.9 °F), 5 x 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/v-l-temp-68-7-c-155-7-f</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9ac4a258-36ca-4262-963e-e5320d4679cb.jpg?v=1761266954</image:loc>
      <image:title>*V / L Temp - 68.7°C  (155.7°F), 5 x 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/group-1-2-synthetic-distillation-standard</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b119bd1d-4a01-4dfa-a0d5-677227dcb2a4.jpg?v=1761266957</image:loc>
      <image:title>*Group 1,2 - Synthetic Distillation Standard, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/group-4-distillation-standard-250-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_83882b2d-4c7d-4565-8dc7-1c1146af2e5b.jpg?v=1761266960</image:loc>
      <image:title>*Group 4 - Distillation Standard, 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/group-4-distillation-standard-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30a6bf2b-9e76-48b1-aeb2-a4cb045ef569.jpg?v=1761266964</image:loc>
      <image:title>*Group 4 - Distillation Standard, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/viscosity-40-oc-4-cst</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6ab025a4-8bcd-4714-a3a8-f04967472312.jpg?v=1761266967</image:loc>
      <image:title>Viscosity @ 40 ºC (4 cSt), 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/viscosity-40-oc-7-cst</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1cd6fb2e-c378-4230-8638-9db2b113074c.jpg?v=1761266971</image:loc>
      <image:title>Viscosity @ 40 ºC (7 cSt), 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/viscosity-40-oc-19-cst</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30acb542-b5ef-4180-bf1b-d91cce854553.jpg?v=1761266975</image:loc>
      <image:title>Viscosity @ 40 ºC (19 cSt), 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/viscosity-40-c-400-cst</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_927d1e09-9bdb-44cd-bd22-2fff831316f2.jpg?v=1761266979</image:loc>
      <image:title>*Viscosity @ 40 °C (400 cSt), 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nominal-freezing-point-50-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_de27e3a9-8a45-43ad-a344-70618bca5494.jpg?v=1761266982</image:loc>
      <image:title>*Freezing Point (-50 to -52 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nominal-freezing-point-45-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3261c017-b8bb-4b1a-8d80-b8bd644dc62b.jpg?v=1761266986</image:loc>
      <image:title>*Freezing Point (-45 to -47 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-approx-value-5-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4f06c423-7f04-43d6-83d3-59f423167348.jpg?v=1761266989</image:loc>
      <image:title>*Cloud Point (3 - 5 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-approx-value-2-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c01c267a-98b9-4309-b787-3157e5427ea5.jpg?v=1761266993</image:loc>
      <image:title>*Cloud Point (-2 to -4 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-approx-value-10-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b134d3dd-40b8-41d3-b2e0-874da903c0fc.jpg?v=1761266997</image:loc>
      <image:title>*Cloud Point (-10 to -12 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-approx-value-15-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ea9032c6-7953-4457-a15a-523c9135a4ca.jpg?v=1761267000</image:loc>
      <image:title>*Cloud Point (-15 to -17 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-approx-value-20-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a28cd48e-857c-4b1a-a17b-df9394ad1dd3.jpg?v=1761267004</image:loc>
      <image:title>*Cloud Point (-20 to -22 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pmcc-d-93-nominal-flash-point-60-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_868f3fc3-6d3e-4202-9748-e7ee825e1aa9.jpg?v=1761267008</image:loc>
      <image:title>PMCC D-93 - Flash Point (60 - 63 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pmcc-d-93-nominal-flash-point-93-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e462f4c4-45df-4c9d-bdba-66ae81121cda.jpg?v=1761267013</image:loc>
      <image:title>PMCC D-93 - Flash Point (93 - 96 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coc-d-92-nominal-flash-point-200-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fdae05aa-ab7e-4b0c-bb71-96099cf868e8.jpg?v=1761267016</image:loc>
      <image:title>COC D-92 - Flash Point (200 - 204 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coc-d-92-nominal-flash-point-230-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_622001f7-fbe7-4ad6-8eff-d22613392a8a.jpg?v=1761267020</image:loc>
      <image:title>COC D-92 - Flash Point (230 - 235 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pmcc-d-93-nominal-flash-point-65-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3d807aa-84f0-4706-a9db-b962a6664c0c.jpg?v=1761267024</image:loc>
      <image:title>PMCC D-93 - Flash Point (65- 70 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pmcc-d-93-nominal-flash-point-134-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_290a559e-0aeb-4bbc-8a83-1dc205c00afa.jpg?v=1761267027</image:loc>
      <image:title>PMCC D-93 - Flash Point (135 - 140 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coc-d-92-nominal-flash-point-138-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a12f4dcc-5634-48d9-a6a7-3315a052833a.jpg?v=1761267031</image:loc>
      <image:title>COC D-92 - Flash Point (138 - 140 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tcc-d-56-nominal-flash-point-67-oc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f01d40ed-5274-4aac-abc2-b8e975529aca.jpg?v=1761267035</image:loc>
      <image:title>TCC D-56 - Flash Point (67 - 70 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pure-aniline-cas-62-53-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b92a0041-b477-442c-a9ab-d946d53cf4f8.jpg?v=1761267038</image:loc>
      <image:title>*Pure Aniline, CAS # 62-53-3, 5 x 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pour-point-50-to-52-c-250-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7b0181ba-f4cf-4724-9422-83f92418fe2c.jpg?v=1761267042</image:loc>
      <image:title>*Pour Point (-50 to -52 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pour-point-approx-value-25-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_782cdcd9-282f-4087-a278-db7bf81a963a.jpg?v=1761267047</image:loc>
      <image:title>*Pour Point (-25 to -27 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pour-point-approx-value-5-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_18d02599-da8f-4429-b733-c92228e3e7e3.jpg?v=1761267050</image:loc>
      <image:title>*Pour Point (-5 to -7 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pour-point-approx-value-15-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_556b42c3-1563-4e75-a441-9c4cfe084535.jpg?v=1761267054</image:loc>
      <image:title>*Pour Point (-15 to -17 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pour-point-approx-value-40-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8307773c-3329-4242-94f1-fa1d4aa6d16c.jpg?v=1761267058</image:loc>
      <image:title>*Pour Point (-40 to -42 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/system-validation-mixture-by-gc-vuv-hydrocarbon-analysis-varied-conc-by-weight</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4558ccd9-2db9-4edb-902a-063ed944ad90.jpg?v=1761267062</image:loc>
      <image:title>*D8071 System Validation Mixture by GC-VUV - Hydrocarbon Analysis, Varied conc. by weight, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/system-validation-mixture-by-gc-vuv-fame-in-diesel-2500-ug-g-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7a0782ce-c22b-4720-ae24-8b8fb36a787d.jpg?v=1761267065</image:loc>
      <image:title>*System Validation Mixture by GC-VUV - FAME in Diesel, 2500 µg/g in Dichloromethane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/low-level-sulfur-calibration-set-10-x-2-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4dace501-faaf-4ec7-8321-a864e7a21097.jpg?v=1761267069</image:loc>
      <image:title>*Low Level Sulfur Calibration Set, 10 x 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromobiphenyl-neat-cas-2052-07-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dbf43a6a-ac9f-4b3e-9bb3-567ece29ada1.jpg?v=1761267073</image:loc>
      <image:title>*2-Bromobiphenyl, Neat, CAS # 2052-07-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromobiphenyl-35-ug-ml-in-isooctane-cas-2052-07-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f1d24c54-ced7-4bb2-a67a-1ae87e67e891.jpg?v=1761267077</image:loc>
      <image:title>*2-Bromobiphenyl, 35 µg/mL in Isooctane, CAS # 2052-07-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-bromobiphenyl-neat-cas-2113-57-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_04a20a3d-63b9-4d20-81ef-7f5d0cb0f533.jpg?v=1761267080</image:loc>
      <image:title>*3-Bromobiphenyl, Neat, CAS # 2113-57-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-bromobiphenyl-35-ug-ml-in-isooctane-cas-2113-57-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f5b0b3ac-a911-412f-b6e5-040250010f13.jpg?v=1761267084</image:loc>
      <image:title>*3-Bromobiphenyl, 35 µg/mL in Isooctane, CAS # 2113-57-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-bromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_967a564e-fdbc-4603-9f07-c024aa46e123.jpg?v=1761267088</image:loc>
      <image:title>*4-Bromobiphenyl, Neat, CAS # 92-66-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-bromobiphenyl-35-ug-ml-in-isooctane-cas-92-66-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e1eb0402-fc28-4705-ad04-5233f9a0892a.jpg?v=1761267091</image:loc>
      <image:title>*4-Bromobiphenyl, 35 µg/mL in Isooctane, CAS # 92-66-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-dibromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9a381041-f4ea-4b2a-a3df-572127bb6fdb.jpg?v=1761267095</image:loc>
      <image:title>*2,2&apos;-Dibromobiphenyl, Neat, CAS # 13029-09-9, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-dibromobiphenyl-35-ug-ml-in-isooctane-cas-13029-09-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_da3f85b6-a523-4036-a8f4-2bef229db69d.jpg?v=1761267099</image:loc>
      <image:title>*2,2&apos;-Dibromobiphenyl, 35 µg/mL in Isooctane, CAS # 13029-09-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dibromobiphenyl-neat-cas-53592-10-2-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9c586817-b77f-49f5-89eb-dd14ff7cc4e4.jpg?v=1761267102</image:loc>
      <image:title>*2,4-Dibromobiphenyl, Neat, CAS # 53592-10-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dibromobiphenyl-35-ug-ml-in-isooctane-cas-53592-10-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c35e43ae-5e33-48b5-9b04-206b16ea13aa.jpg?v=1761267106</image:loc>
      <image:title>*2,4-Dibromobiphenyl, 35 µg/mL in Isooctane, CAS # 53592-10-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-5-dibromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_624c4e22-03c5-4a63-baef-5c9a7483e6bf.jpg?v=1761267110</image:loc>
      <image:title>*2,5-Dibromobiphenyl, Neat, CAS # 57422-77-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-5-dibromobiphenyl-35-ug-ml-in-isooctane-cas-57422-77-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bf12b153-4321-43f5-a91a-f7f81c2154e2.jpg?v=1761267113</image:loc>
      <image:title>*2,5-Dibromobiphenyl, 35 µg/mL in Isooctane, CAS # 57422-77-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dibromobiphenyl-cas-59080-32-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e31e3499-5bd5-4cd9-936a-59707172717a.jpg?v=1761267117</image:loc>
      <image:title>*2,6-Dibromobiphenyl, Neat, CAS # 59080-32-9, 5 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dibromobiphenyl-35-ug-ml-in-isooctane-cas-59080-32-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c367ebd9-d538-4370-b36a-af1479b445fd.jpg?v=1761267121</image:loc>
      <image:title>*2,6-Dibromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-32-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-dibromobiphenyl-neat-cas-92-86-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ef4c5a5b-8659-4b89-91c1-2ed0979acb6c.jpg?v=1761267124</image:loc>
      <image:title>*4,4&apos;-Dibromobiphenyl, Neat, CAS # 92-86-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-dibromobiphenyl-35-ug-ml-in-isooctane-cas-92-86-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_272c4bd6-d24d-484f-84c8-a7035fe6e12b.jpg?v=1761267128</image:loc>
      <image:title>*4,4&apos;-Dibromobiphenyl, 35 µg/mL in Isooctane, CAS # 92-86-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-5-tribromobiphenyl-neat-cas-59080-34-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_891821ee-3f59-47a1-bacd-440427ac59b1.jpg?v=1761267132</image:loc>
      <image:title>*2,2&apos;,5-Tribromobiphenyl, Neat, CAS # 59080-34-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-5-tribromobiphenyl-35-ug-ml-in-isooctane-cas-59080-34-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7b727b58-41b7-4df5-96bf-515d645ecfbc.jpg?v=1761267135</image:loc>
      <image:title>*2,2&apos;,5-Tribromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-34-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-tribromobiphenyl-neat-cas-59080-35-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_da07fe0d-c958-4a36-8be7-8d82026d0aff.jpg?v=1761266959</image:loc>
      <image:title>*2,3&apos;,5-Tribromobiphenyl, Neat, CAS # 59080-35-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-tribromobiphenyl-35-ug-ml-in-isooctane-cas-59080-35-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ff8bf18b-fa2d-4362-a490-d80f0f3f1456.jpg?v=1761266962</image:loc>
      <image:title>*2,3&apos;,5-Tribromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-35-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-tribromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2d5bc16e-ff6a-4634-bdcc-243fb24f4e9b.jpg?v=1761266966</image:loc>
      <image:title>*2,4,5-Tribromobiphenyl, 35 µg/mL in Isooctane, CAS # 115245-07-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-tribromobiphenyl-neat-cas-59080-33-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d5a1a81c-914d-4b3c-989f-094fe0cc0f01.jpg?v=1761266970</image:loc>
      <image:title>*2,4,6-Tribromobiphenyl, Neat, CAS # 59080-33-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-tribromobiphenyl-35-ug-ml-in-isooctane-cas-59080-33-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c068ddb9-aa25-4479-9609-44a9440b9c2b.jpg?v=1761266974</image:loc>
      <image:title>*2,4,6-Tribromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-33-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-tribromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eadc6d56-3131-41b9-ab7d-5e9f4b13a49e.jpg?v=1761266977</image:loc>
      <image:title>*2,4&apos;,5-Tribromobiphenyl, Neat, CAS # 59080-36-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-tribromobiphenyl-35-ug-ml-in-isooctane-cas-59080-36-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c6a7f9b6-9fe7-4562-a834-82561832d974.jpg?v=1761266981</image:loc>
      <image:title>*2,4&apos;,5-Tribromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-36-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-5-tribromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ccdea2ee-f44e-4da8-8df1-cd00358ff54e.jpg?v=1761266986</image:loc>
      <image:title>*3,4,5-Tribromobiphenyl, Neat, CAS # 115245-08-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-5-tetrabromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec13feed-73bc-4a01-807e-51578950cb69.jpg?v=1761266989</image:loc>
      <image:title>*2,2&apos;,4,5&apos;-Tetrabromobiphenyl, Neat, CAS # 60044-24-8, 5 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-5-tetrabromobiphenyl-35-ug-ml-in-isooctane-cas-60044-24-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b1ea6667-6014-458c-875d-ce66ec395f8b.jpg?v=1761266993</image:loc>
      <image:title>*2,2&apos;,4,5&apos;-Tetrabromobiphenyl, 35 µg/mL in Isooctane, CAS # 60044-24-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-5-5-tetrabromobiphenyl-neat-cas-59080-37-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4051f741-edc3-4709-8141-e8d8dd861aee.jpg?v=1761266996</image:loc>
      <image:title>*2,2&apos;,5,5&apos;-Tetrabromobiphenyl, Neat, CAS # 59080-37-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-5-5-tetrabromobiphenyl-35-ug-ml-in-isooctane-cas-59080-37-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ab392df8-d465-4223-a29a-3bcccfab70ff.jpg?v=1761267000</image:loc>
      <image:title>*2,2&apos;,5,5&apos;-Tetrabromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-37-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-5-6-tetrabromobiphenyl-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aee4891f-92d5-4373-96fb-38f49bb38292.jpg?v=1761267003</image:loc>
      <image:title>*2,2&apos;,5,6&apos;-Tetrabromobiphenyl, Neat, CAS # 60044-25-9, 5 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-5-6-tetrabromobiphenyl-35-ug-ml-in-isooctane-cas-60044-25-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2b83d82d-e184-4fd2-8aad-7eb1fb553faf.jpg?v=1761267007</image:loc>
      <image:title>*2,2&apos;,5,6&apos;-Tetrabromobiphenyl, 35 µg/mL in Isooctane, CAS # 60044-25-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-4-4-tetrabromobiphenyl-35-ug-ml-in-isooctane-cas-77102-82-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_94d7d729-e06a-4c70-93f1-e95ca8252001.jpg?v=1761267011</image:loc>
      <image:title>*3,3&apos;,4,4&apos;-Tetrabromobiphenyl, 35 µg/mL in Isooctane, CAS # 77102-82-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-5-5-tetrabromobiphenyl-35-ug-ml-in-isooctane-cas-16400-50-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2ded9b62-ff3c-42df-8901-de553b389eaa.jpg?v=1761267014</image:loc>
      <image:title>*3,3&apos;,5,5&apos;-Tetrabromobiphenyl, 35 µg/mL in Isooctane, CAS # 16400-50-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-5-5-pentabromobiphenyl-neat-cas-67888-96-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_05121e26-7abf-417d-89bc-309c8e5bf392.jpg?v=1761267018</image:loc>
      <image:title>*2,2&apos;,4,5,5&apos;-Pentabromobiphenyl, Neat, CAS # 67888-96-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-5-5-pentabromobiphenyl-35-ug-ml-in-isooctane-cas-67888-96-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f87d2342-415e-428a-8e7f-69c028011746.jpg?v=1761267022</image:loc>
      <image:title>*2,2&apos;,4,5,5&apos;-Pentabromobiphenyl, 35 µg/mL in Isooctane, CAS # 67888-96-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-5-6-pentabromobiphenyl-neat-cas-59080-39-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7a7ef1b6-a035-4d31-9f2f-0f1fca2e44de.jpg?v=1761267026</image:loc>
      <image:title>*2,2&apos;,4,5&apos;,6-Pentabromobiphenyl, Neat, CAS # 59080-39-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-5-6-pentabromobiphenyl-35-ug-ml-in-isooctane-cas-59080-39-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a34167f5-1ae5-4309-845c-907a4850d5b9.jpg?v=1761267029</image:loc>
      <image:title>*2,2&apos;,4,5&apos;,6-Pentabromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-39-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-4-5-pentabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a492db70-3457-4213-9817-45dc78ac4223.jpg?v=1761267033</image:loc>
      <image:title>*2,3,4,4&apos;,5-Pentabromobiphenyl, 35 µg/mL in Isooctane, CAS # 96551-70-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-4-5-hexabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f895d3d5-4455-4e01-9d2c-f3f3f5ef9e7d.jpg?v=1761267036</image:loc>
      <image:title>*2,2&apos;,3,4,4&apos;,5-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 81381-52-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-5-5-hexabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f4ce5355-3578-4934-8b4d-afdacfa38550.jpg?v=1761267040</image:loc>
      <image:title>*2,2&apos;,3,4,5,5&apos;-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 120991-47-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-4-5-5-hexabromobiphenyl-cas-59080-40-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2e13488b-dac0-4e50-bd3b-663bc8d3ffd0.jpg?v=1761267044</image:loc>
      <image:title>*2,2&apos;,4,4&apos;,5,5&apos;-Hexabromobiphenyl, Neat, CAS # 59080-40-9, 5 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-4-5-5-hexabromobiphenyl-35-ug-ml-in-isooctane-cas-59080-40-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dd0cb455-52fc-40b9-832b-cb2b04e2f538.jpg?v=1761267047</image:loc>
      <image:title>*2,2&apos;,4,4&apos;,5,5&apos;-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-40-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-4-6-6-hexabromobiphenyl-neat-cas-59261-08-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9db820c6-a716-461f-aab6-399949bf635a.jpg?v=1761267051</image:loc>
      <image:title>*2,2&apos;,4,4&apos;,6,6&apos;-Hexabromobiphenyl, Neat, CAS # 59261-08-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-4-6-6-hexabromobiphenyl-35-ug-ml-in-isooctane-cas-59261-08-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86a45483-eec3-4558-acff-8c0fab11212b.jpg?v=1761267054</image:loc>
      <image:title>*2,2&apos;,4,4&apos;,6,6&apos;-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 59261-08-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-3-4-4-5-hexabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2bf56f6f-01dd-4bed-bc48-970e734c9912.jpg?v=1761267058</image:loc>
      <image:title>*2,3,3&apos;,4,4&apos;,5-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 77607-09-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-3-4-5-5-hexabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a4d1887a-d566-4b2d-83a8-e336aefd289c.jpg?v=1761267062</image:loc>
      <image:title>*2,3,3&apos;,4,5,5&apos;-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 120991-48-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-4-4-5-5-hexabromobiphenyl-35-ug-ml-in-isooctane-cas-60044-26-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_11813687-d17e-4110-aec0-c6032619e440.jpg?v=1761267065</image:loc>
      <image:title>*3,3&apos;,4,4&apos;,5,5&apos;-Hexabromobiphenyl, 35 µg/mL in Isooctane, CAS # 60044-26-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-4-5-5-heptabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_261c9f66-0169-4dbb-933b-77900df393a9.jpg?v=1761267069</image:loc>
      <image:title>*2,2&apos;,3,4,4&apos;,5,5&apos;-Heptabromobiphenyl, 35 µg/mL in Isooctane, CAS # 67733-52-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-3-4-4-5-5-heptabromobiphenyl-35-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_08bc6d92-7dff-48c4-9e6d-5b11cf903078.jpg?v=1761267073</image:loc>
      <image:title>*2,3,3&apos;,4,4&apos;,5,5&apos;-Heptabromobiphenyl, 35 µg/mL in Isooctane, CAS # 88700-06-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-5-octabromobiphenyl-35-ug-ml-in-isooctane-cas-67889-00-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_87a8e79a-3ef9-4fbc-873c-8bcf2a4e1990.jpg?v=1761267077</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 67889-00-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-6-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-119264-59-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_69ff100e-60bc-42ce-940e-d1678c921652.jpg?v=1761267081</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,6,6&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 119264-59-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-5-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-69887-11-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_43ef37ee-e1ab-4a3c-aae7-07946145c34b.jpg?v=1761267084</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5,5&apos;,6&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 69887-11-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-6-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-1254976-38-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_664c6eb9-bfc3-4604-8616-dedbd5659d7f.jpg?v=1761267088</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5,6,6&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 1254976-38-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-6-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-119264-60-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c610316a-0037-4e05-8cd2-0aefa1187098.jpg?v=1761267091</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5&apos;,6,6&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 119264-60-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-5-5-6-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-59080-41-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ac9c3ab2-d1f8-4eaa-885a-c0b71b49dbdd.jpg?v=1761267095</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,5,5&apos;,6,6&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 59080-41-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-4-5-5-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-942505-36-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6994ef55-35e4-4918-83f8-566f95894ee1.jpg?v=1761267099</image:loc>
      <image:title>*2,2&apos;,3,4,4&apos;,5,5&apos;,6-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 942505-36-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-4-5-6-6-octabromobiphenyl-35-ug-ml-in-isooctane-cas-119264-61-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_701db140-f276-4e1d-bc68-54f962946b92.jpg?v=1761267102</image:loc>
      <image:title>*2,2&apos;,3,4,4&apos;,5,6,6&apos;-Octabromobiphenyl, 35 µg/mL in Isooctane, CAS # 119264-61-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-5-6-nonabromobiphenyl-neat-cas-69278-62-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0705a1a5-d1a8-4c47-adb3-8d069157b75a.jpg?v=1761267106</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;,6-Nonabromobiphenyl, Neat, CAS # 69278-62-2, 5 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/decabromobiphenyl-neat-cas-13654-09-6-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8efd1edd-9b7e-4c0b-82c9-43607d311f9e.jpg?v=1761267110</image:loc>
      <image:title>*Decabromobiphenyl, Neat, CAS # 13654-09-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/decabromobiphenyl-35-ug-ml-in-isooctane-acetone-98-2-cas-13654-09-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_800b8243-194a-40c3-9e76-1c69bf17f782.jpg?v=1761267113</image:loc>
      <image:title>*Decabromobiphenyl, 35 µg/mL in Isooctane:Acetone (98:2), CAS # 13654-09-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dow-fr-250-100-ug-ml-in-isooctane-cas-27858-07-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c61e730d-5e01-4cc1-a767-b170be856587.jpg?v=1761267117</image:loc>
      <image:title>*Dow FR-250, 100 µg/mL in Isooctane, CAS # 27858-07-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dow-fr-250-35-ug-ml-in-isooctane-cas-27858-07-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9e6d1a22-e49e-4d2a-a4d9-4dfa17df979b.jpg?v=1761267120</image:loc>
      <image:title>*Dow FR-250, 35 µg/mL in Isooctane, CAS # 27858-07-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/firemaster-bp-6-100-ug-ml-in-isooctane-cas-59536-65-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*Firemaster BP-6, 100 µg/mL in Isooctane, CAS # 59536-65-1, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/firemaster-bp-6-35-ug-ml-in-isooctane-cas-59536-65-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-bromoanisole-50-ug-ml-in-methanol-cas-2398-37-0</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/4-bromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-dibromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-4-dibromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-5-dibromoanisole-50-ug-ml-in-meoh</loc>
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    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-6-dibromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-5-dibromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-4-5-tribromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-4-6-tribromoanisole-50-ug-ml-in-meoh</loc>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-dibromoanisole</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8de28e74-e776-49a5-be83-aa033acd929f.jpg?v=1761267178</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-tribromoanisole</loc>
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    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-6-tribromoanisole</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-5-tribromoanisole</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5123f631-b39c-432f-b0b5-6bbbe144cea7.jpg?v=1761267189</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-4-5-tetrabromoanisole</loc>
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    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-6-tetrabromoanisole</loc>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:title>*Pentabromoanisole, 50 µg/mL in Methanol, CAS # 1825-26-9, 1 mL</image:title>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3d-coseedis-chip680-6-chips-for-680-organoids-each-in-beaker-containing-1xpbs-w-o-mg2-ca2-compatible-with-24-well-plates</loc>
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      <image:title>3D CoSeedis™ Chip680, 6 chips for 680 organoids each in beaker containing 1xPBS w/o Mg2+/Ca2+, compatible with 24-well plates</image:title>
      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3d-coseedis-chip880-1-chip-for-880-organoids-in-aluminium-bag-containing-1xpbs-w-o-mg2-ca2-compatible-with-6-well-plates</loc>
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      <image:title>3D CoSeedis™ Chip880, 1 chip for 880 organoids in aluminium bag containing 1xPBS w/o Mg2+/Ca2+, compatible with 6-well plates</image:title>
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    <loc>https://chromspec.com/products/1-2-3-4-tetrabromodibenzo-p-dioxin-25-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cd050325-c732-475c-8ae8-3b5d50cedb8b.jpg?v=1761267254</image:loc>
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    <loc>https://chromspec.com/products/2-3-7-8-tetrabromodibenzo-p-dioxin-neat-cas-50585-41-6-1-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0e7038a1-7514-4a97-bca0-7f5ff02ad653.jpg?v=1761267258</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-bromodiphenyl-ether-50-ug-ml-in-isooctane-cas-1872021</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f717d772-73e3-41cb-9271-240e0a863e05.jpg?v=1761267262</image:loc>
      <image:title>*2-Bromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 7025-06-1, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/3-bromodiphenyl-ether-50-ug-ml-in-isooctane-cas-6876-00-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/4-bromodiphenyl-ether-50-ug-ml-in-isooctane-cas-101-55-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9a43cd97-3d54-4ef7-ab0c-695b3e4bb3df.jpg?v=1761267269</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-2-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a207a5b2-5374-42d3-84e5-423542eae76e.jpg?v=1761267273</image:loc>
      <image:title>*2,2&apos;-Dibromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 51452-87-0, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9263bf5b-b40a-4dd7-bacd-d4b7617238b4.jpg?v=1761267277</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-dibromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aa220996-78e0-478e-b13c-7886bfe81a7e.jpg?v=1761267280</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_25239621-ad24-4e60-81c6-48b8ab49328a.jpg?v=1761267284</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-4-dibromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b07b05da-9469-4207-96ee-5d35f6aa6e78.jpg?v=1761267287</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-5-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5d399bcf-a93c-42ea-ac45-f15db31a187d.jpg?v=1761267291</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23c53e87-5fe6-4af9-9a7a-5f44500ba560.jpg?v=1761267295</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-3-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0a780d9b-d9a2-4a09-85e0-6d9105ee88fb.jpg?v=1761267299</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-dibromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-5-dibromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-tribromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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    <loc>https://chromspec.com/products/2-3-6-tribromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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    <loc>https://chromspec.com/products/2-3-4-tribromodiphenyl-ether-50-ug-ml-in-isooctane-cas-147217-77-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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    <loc>https://chromspec.com/products/2-3-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-6-tribromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-4-4-tribromodiphenyl-ether-50-ug-ml-in-isooctane-cas-41318-75-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-4-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-4-6-tribromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-4-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-4-6-tribromodiphenyl-ether-50-ug-ml-in-isooctane-cas-189084-60-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-4-tribromodiphenyl-ether-50-ug-ml-in-isooctane-cas-147217-78-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane-2</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/3-3-4-tribromodiphenyl-ether-50-ug-ml-in-isooctane-cas-147217-80-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/3-3-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-4-tribromodiphenyl-ether-50-ug-ml-in-isooctane-cas-147217-81-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-4-5-tribromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-3-tetrabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-4-tetrabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-tetrabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-5-tetrabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-5-tetrabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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  </url>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-4-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-4-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-5-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-5-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-5-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-2</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-6-6-pentabromodiphenyl-ether-in-isooctane-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-4-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-3</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-4-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-2</loc>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-4-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-189084-66-0</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-5-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-5-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-2</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-3-4-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-4-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-2</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-3-4-5-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-5-6-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-3</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-3-4-4-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-366791-32-4</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/3-3-4-5-5-pentabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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  </url>
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    <loc>https://chromspec.com/products/2-2-3-3-4-4-hexabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-3-4-5-hexabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-3-4-5-hexabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/2-2-3-3-4-6-hexabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-3-4-4-5-5-heptabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-3-4-4-5-6-heptabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-189084-68-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ae1777bd-bfd6-4070-8e7c-13172e25dda6.jpg?v=1761267598</image:loc>
      <image:title>*2,3,3&apos;,4,4&apos;,5,6-Heptabromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 189084-68-2, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-3-4-4-5-6-heptabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-3-4-5-5-6-heptabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a51fa03-1679-438e-92dc-f73d185c8463.jpg?v=1761267606</image:loc>
      <image:title>*2,3,3&apos;,4,5,5&apos;,6-Heptabromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 407578-53-4, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-3-3-4-5-5-6-heptabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f1ee8d70-5488-4c0b-b9e8-e5b68e5f760a.jpg?v=1761267611</image:loc>
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      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-5-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0bc1f018-1454-4120-8f49-1cde5859d9d9.jpg?v=1761267615</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 85446-17-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_76bd17bd-cbcd-43ec-9938-190b6694e15c.jpg?v=1761267619</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,6-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 446255-38-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8fe26efc-c4d9-4835-98e1-f3eecb89cc72.jpg?v=1761267623</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,6&apos;-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 446255-39-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-6-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4614dc84-13e4-499c-a2b9-cb7b9f980517.jpg?v=1761267627</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,6,6&apos;-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 117964-21-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-5-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5c75f839-5ba4-447f-b18e-b457a656112e.jpg?v=1761267631</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5,5&apos;,6-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 446255-42-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-5-6-octabromodiphenyl-ether-25-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6b4d5487-147c-41c2-9f32-4d07a3797bd0.jpg?v=1761267635</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5,5&apos;,6&apos;-Octabromodiphenyl ether, 25 µg/mL in Isooctane, CAS # 446255-43-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-6-6-octabromodiphenyl-ether-25-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0045f500-407c-4993-b88a-aa2ee981bdcd.jpg?v=1761267639</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5,6,6&apos;-Octabromodiphenyl ether, 25 µg/mL in Isooctane, CAS # 446255-46-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-6-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_11672636-e7df-4fa2-b6c7-f44e0b21f4e7.jpg?v=1761267643</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5&apos;,6,6&apos;-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 446255-50-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-5-5-6-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f44a21f-29d6-4d4e-8734-e1a7eacbe79f.jpg?v=1761267646</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,5,5&apos;,6,6&apos;-Octabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 67797-09-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-4-5-5-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-337513-72-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_298ffaa3-3bd8-40b8-971e-e0d85fc3bfea.jpg?v=1761267650</image:loc>
      <image:title>*2,2&apos;,3,4,4&apos;,5,5&apos;,6-Octabromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 337513-72-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-4-4-5-6-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_347bb042-a0f6-4e97-834b-ac18ab458c1d.jpg?v=1761267654</image:loc>
      <image:title>*2,2&apos;,3,4,4&apos;,5,6,6&apos;-Octabromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 446255-54-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-3-4-4-5-5-6-octabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-446255-56-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c63b58a4-77c5-4530-99fd-b644b89e2d3a.jpg?v=1761267659</image:loc>
      <image:title>*2,3,3&apos;,4,4&apos;,5,5&apos;,6-Octabromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 446255-56-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-5-6-nonabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-63387-28-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1233a949-fb59-4dd9-a34d-6dc2adc698ce.jpg?v=1761267663</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;,6-Nonabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 63387-28-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-6-6-nonabromodiphenyl-ether-50-ug-ml-in-isooctane-cas-437701-79-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d8c231ce-af24-4484-b1ae-28d63e79a42d.jpg?v=1761267667</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,6,6&apos;-Nonabromodiphenyl ether, 50 µg/mL in Isooctane, CAS # 437701-79-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-4-5-6-6-nonabromodiphenyl-ether-10-ug-ml-in-isooctane-cas-437701-79-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c7458c05-497e-428a-8e19-f752870d15d8.jpg?v=1761267671</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,4&apos;,5,6,6&apos;-Nonabromodiphenyl ether, 10 µg/mL in Isooctane, CAS # 437701-79-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-3-3-4-5-5-6-6-nonabromodiphenyl-ether-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_208b5a2f-241a-494a-9305-18fa84576510.jpg?v=1761267674</image:loc>
      <image:title>*2,2&apos;,3,3&apos;,4,5,5&apos;,6,6&apos;-Nonabromodiphenyl Ether, 50 µg/mL in Isooctane, CAS # 437701-78-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/decabromodiphenyl-ether-50-ug-ml-in-isooctane-toluene-9-1-cas-1163-19-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8fab6344-eb2e-41ad-bd70-4b2bbe3a869f.jpg?v=1761267681</image:loc>
      <image:title>*Decabromodiphenyl Ether, 50 µg/mL in Isooctane:Toluene (50:50), CAS # 1163-19-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromkal-de-70-5-pentas-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_35c5f9dc-3152-4888-a43c-fbadd86d059a.jpg?v=1761267685</image:loc>
      <image:title>*Bromkal DE-70-5 (Pentas), 50 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromkal-de-71-pentas-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_83975e47-b54f-492d-9c46-1363a36e1a9d.jpg?v=1761267689</image:loc>
      <image:title>*Bromkal DE-71 (Pentas), 50 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/de-71-pentas-great-lakes-50-ug-ml-in-isooctane-cas-32534-81-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c237f3a5-f19d-4ef3-8fa0-0794a7b33fd8.jpg?v=1761267693</image:loc>
      <image:title>*DE-71 (Pentas) Great Lakes, 50 µg/mL in Isooctane, CAS # 32534-81-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentabromodiphenylether-tech-100-ug-ml-in-toluene-cas-32534-81-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7f640fb5-f560-42d0-9921-163b9a04fd90.jpg?v=1761267697</image:loc>
      <image:title>*Pentabromodiphenylether (Tech), 100 µg/mL in Toluene, CAS # 32534-81-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromkal-de-73-6-hexas-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fbcc2e52-2a61-460f-ba71-ffedae8df207.jpg?v=1761267701</image:loc>
      <image:title>*Bromkal DE-73-6 (Hexas), 50 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/de-79-octas-great-lakes-50-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pbdes-standard-solution-for-accuracy-precision-varied-conc-in-isooctane-bde-aap-a-1-ml</loc>
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      <image:title>*PBDEs Standard Solution for Accuracy &amp; Precision, Varied conc in Isooctane, BDE-AAP-A, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pbdes-standard-solution-for-accuracy-precision-varied-conc-in-isooctane-bde-aap-a-15x-1-ml</loc>
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      <image:title>*PBDEs Standard Solution for Accuracy &amp; Precision, Varied conc in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/pbde-congeners-common-totechnical-mixtures-bromkal-10-ug-ml-isooctane</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9b76ea6-ad11-4ac9-acbf-2fb0b2996add.jpg?v=1761267526</image:loc>
      <image:title>*PBDE Congeners common to Technical Mixtures (Bromkal), 10 µg/mL Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/common-pbde-congeners-in-california-environment-10-ug-ml-in-isooctane</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c197faed-939c-4f0c-add5-32bb52530509.jpg?v=1761267530</image:loc>
      <image:title>*Common PBDE Congeners in California Environment, 10 µg/mL in Isooctane, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/california-method-750-m-standard-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2f2e382b-f282-4f41-a6c7-a2ee83fd6495.jpg?v=1761267533</image:loc>
      <image:title>*California Method 750-M Standard, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/pbde-congeners-of-primary-interest-calibration-mix-varied-conc-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_49671ff1-bccc-4141-a544-279e246228e3.jpg?v=1761267537</image:loc>
      <image:title>*PBDE Congeners of Primary Interest Calibration Mix, Varied conc in Isooctane, BDE-CM, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/mixture-of-commonly-occurring-pbde-congeners-for-precision-and-recovery-varied-conc-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67fdfb46-b61e-4360-af54-8839b1e2c19c.jpg?v=1761267541</image:loc>
      <image:title>*PBDE Congeners for Precision and Recovery, Varied conc in Isooctane:Toluene (97.5:2.5), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bdes-in-columbia-river-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_be22fe10-3a53-43af-86a2-c9fb31e25fb4.jpg?v=1761267544</image:loc>
      <image:title>*BDEs in Columbia River, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/pbde-congeners-of-primary-interest-varied-conc-in-isooctane-toluene-80-20-bde-csm-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_12ba170a-0974-4a17-a115-b9b1a6125290.jpg?v=1761267548</image:loc>
      <image:title>*PBDE Congeners of Primary Interest, Varied conc. in Isooctane:Toluene (80:20), BDE-CSM, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromodiphenyl-ethers-in-proposed-u-s-epa-method</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d2092874-0f89-4554-b799-62159a13d4f9.jpg?v=1761267552</image:loc>
      <image:title>*Bromodiphenyl Ethers in proposed U.S. EPA Method, 8 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromodiphenyl-ethers-lake-michigan-study-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8d2602a1-b572-4832-ab32-b8b73a1e21ab.jpg?v=1761267555</image:loc>
      <image:title>*Bromodiphenyl Ethers Lake Michigan Study, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/pbde-congeners-of-primary-interest-matrix-spiking-solution-varied-conc-in-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e9793326-efc7-47ee-bf7a-6fdaf00b7ab3.jpg?v=1761267559</image:loc>
      <image:title>*PBDE Congeners of Primary Interest Matrix Spiking Solution, Varied conc. in Isooctane, BDE-MS, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/common-bromodiphenyl-ethers-in-u-s-environment-10-ug-ml-isooctane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_befaee0d-eae4-47d4-8e29-1c96f40493ee.jpg?v=1761267562</image:loc>
      <image:title>*Common Bromodiphenyl Ethers in U.S. Environment, 10 µg/mL in Isooctane, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-4-4-tetrabromodiphenoxybenzene-50-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4ac28e5e-e991-4809-82ca-36a543b66a97.jpg?v=1761267567</image:loc>
      <image:title>*2,2&apos;,4,4&apos;&apos;-Tetrabromodiphenoxybenzene, 50 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/2-2-2-4-tetrabromodiphenoxybenzene-50-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_174d2e3f-381e-402b-b9ba-09e9be52d804.jpg?v=1761267571</image:loc>
      <image:title>*2,2&apos;,2&apos;&apos;,4-Tetrabromodiphenoxybenzene, 50 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/2-2-4-6-tetrabromodiphenoxybenzene-50-ug-ml-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0c184f8a-6966-4eca-b2f2-98a446301f9b.jpg?v=1761267574</image:loc>
      <image:title>*2,2&apos;&apos;,4,6-Tetrabromodiphenoxybenzene, 50 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/2-2-2-4-4-pentabromodiphenoxybenzene-50-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_21a83ce0-723c-44ee-b76e-911b23734fe8.jpg?v=1761267578</image:loc>
      <image:title>*2,2&apos;,2&apos;&apos;,4,4&apos;&apos;-Pentabromodiphenoxybenzene, 50 µg/mL in Acetonitrile, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-0-01-w-w-in-biodiesel-100-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_52620a59-ee0b-4cd3-aee6-e1cbcb71533d.jpg?v=1761267582</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-w-blank-10-ug-g-2-x-100-ml</loc>
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    <changefreq>daily</changefreq>
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      <image:title>Sulfur in 100% Biodiesel (B100) w/ Blank, BF-5453-B100-10X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-w-blank-15-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Sulfur in 100% Biodiesel (B100) w/ Blank, BF-5453-B100-15X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-0-02-w-w-in-biodiesel-100</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5e74c38b-a606-47b7-bcfb-41cea76fb750.jpg?v=1761267594</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-0-003-w-w-in-biodiesel-100</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_61897a05-2e52-44bd-a221-54227c257775.jpg?v=1761267598</image:loc>
      <image:title>*Sulfur in 100% Biodiesel (B100), 30 µg/g in Biodiesel 100, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-0-05-w-w-in-biodiesel-100-cas-7704-34-9</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b359e0d2-6e47-4180-a9fb-eb94d84796ff.jpg?v=1761267602</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-0-005-w-w-in-biodiesel-100</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7d27ddfb-270f-402c-85b8-1ecc16e17e73.jpg?v=1761267606</image:loc>
      <image:title>*Sulfur in 100% Biodiesel (B100), 50 µg/g in Biodiesel 100, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-w-blank-5-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_12ab5be2-aaaf-48a0-a383-8335850eb070.jpg?v=1761267611</image:loc>
      <image:title>Sulfur in 100% Biodiesel (B100) w/ Blank, BF-5453-B100-5X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-0-0075-w-w-in-biodiesel-100</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ea70268e-14fe-497a-ae0e-efaf349b0d83.jpg?v=1761267615</image:loc>
      <image:title>*Sulfur in 100% Biodiesel (B100), 75 µg/g in Biodiesel 100, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-100-biodiesel-b100-blank-biodiesel-100-cas-7704-34-9</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1b80be26-8e60-4623-8648-3be821416203.jpg?v=1761267619</image:loc>
      <image:title>Biodiesel (B100) Blank, Biodiesel 100, CAS # 67762-38-3, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-0-01-w-w-in-biodiesel-20-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a065bf6-a63e-4811-ae2d-991c834ef950.jpg?v=1761267623</image:loc>
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      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-w-blank-10-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8686082b-e112-49cc-b2fb-32e3b7eda364.jpg?v=1761267626</image:loc>
      <image:title>Sulfur in  20% Biodiesel (B20) w/ Blank, 2 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-w-blank-15-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6961e875-4a36-4cf5-877a-9764f7a6787a.jpg?v=1761267630</image:loc>
      <image:title>Sulfur in  20% Biodiesel (B20) w/ Blank, BF-5453-B20-15X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
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    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-0-02-w-w-in-biodiesel-20</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_18e3e6e2-0778-470b-8378-067b7256e579.jpg?v=1761267634</image:loc>
      <image:title>*Sulfur in 20% Biodiesel (B20), 0.02% w/w in Biodiesel 20, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-0-003-w-w-in-biodiesel-20</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ad96b44b-a703-4fa3-ac4a-d64d876ba302.jpg?v=1761267639</image:loc>
      <image:title>*Sulfur in 20% Biodiesel (B20), 0.003% w/w in Biodiesel 20, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-0-05-w-w-in-biodiesel-20-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8f83555c-9ef5-41cf-b3d9-84557ca8d44d.jpg?v=1761267643</image:loc>
      <image:title>Sulfur in 20% Biodiesel (B20), 0.05% w/w in Biodiesel 20, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-0-005-w-w-in-biodiesel-20</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cf496649-3840-4a5f-a806-80bdd189904f.jpg?v=1761267647</image:loc>
      <image:title>*Sulfur in 20% Biodiesel (B20), 0.005% w/w in Biodiesel 20, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-w-blank-5-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30ef2e1e-cf4d-411d-b188-d88c905a7b27.jpg?v=1761267651</image:loc>
      <image:title>Sulfur in  20% Biodiesel (B20) w/ Blank, BF-5453-B20-5X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-0-0075-w-w-in-biodiesel-20</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f9e566c4-abd2-43e0-85d9-87987ca10618.jpg?v=1761267655</image:loc>
      <image:title>*Sulfur in 20% Biodiesel (B20), 0.0075% w/w in Biodiesel 20, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-20-biodiesel-b20-blank-biodiesel-20-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4030659e-3ca4-4a97-86be-56c0594c12fe.jpg?v=1761267660</image:loc>
      <image:title>Biodiesel (B20) Blank, Biodiesel (B20), 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-0-01-w-w-in-biodiesel-5-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_39f3c4e4-ad8c-4489-bc4f-a04627278d69.jpg?v=1761267663</image:loc>
      <image:title>Sulfur in 5% Biodiesel (B5), 0.01% w/w in Biodiesel 5, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-w-blank-10-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5399ec61-9598-4a96-8176-b177d033d26c.jpg?v=1761267667</image:loc>
      <image:title>Sulfur in 5% Biodiesel (B5) w/ Blank, BF-5453-B5-10X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-w-blank-15-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e9cdc8cc-c4e3-4a9c-8aeb-89a2698ac352.jpg?v=1761267671</image:loc>
      <image:title>Sulfur in 5% Biodiesel (B5) w/ Blank, BF-5453-B5-15X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-0-02-w-w-in-biodiesel-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e8b1f1d-5fa2-47a3-872e-d92518df7634.jpg?v=1761267676</image:loc>
      <image:title>*Sulfur in 5% Biodiesel (B5), 0.02% w/w in Biodiesel 5, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-0-003-w-w-in-biodiesel-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9701ff82-2df5-486b-8cf3-ee6b9a0a5a1d.jpg?v=1761267679</image:loc>
      <image:title>*Sulfur in 5% Biodiesel (B5), 0.003% w/w in Biodiesel 5, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-0-05-w-w-in-biodiesel-5-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0f85ad15-9cff-41e7-84bf-b708175fe4e9.jpg?v=1761267683</image:loc>
      <image:title>Sulfur in 5% Biodiesel (B5), 0.05% w/w in Biodiesel 5, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-0-005-w-w-in-biodiesel-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dfbdbbf4-6121-422e-bed9-36096c256dcd.jpg?v=1761267688</image:loc>
      <image:title>*Sulfur in 5% Biodiesel (B5), 0.005% w/w in Biodiesel 5, CAS # 7704-34-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-w-blank-5-ug-g-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fafcf860-8d0f-481f-a942-04317e2ce448.jpg?v=1761267691</image:loc>
      <image:title>Sulfur in 5% Biodiesel (B5) w/ Blank, BF-5453-B5-5X-SET, 2 x 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-in-5-biodiesel-b5-blank-biodiesel-5-cas-7704-34-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bbf09df1-4d5f-46c7-adfc-ba1ad0a02043.jpg?v=1761267695</image:loc>
      <image:title>Sulfur in 5% Biodiesel (B5) Blank, #2 Diesel Fuel (Extra Low Sulfur):Biodiesel 100 (95:5), 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-esters-in-beef-tallow-varied-conc-by-weight-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0cf294d-cbb7-40b0-876c-4a026f3d7c38.jpg?v=1761267699</image:loc>
      <image:title>***Ethyl Esters in Beef Tallow, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-esters-in-beef-tallow</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f866b8e9-7598-41d8-ac41-5f75d226cdfc.jpg?v=1761267703</image:loc>
      <image:title>Methyl Esters in Beef Tallow, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-biodiesel-100</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0799b293-6c2e-406c-9b06-97049b22ee98.jpg?v=1761267706</image:loc>
      <image:title>*Cloud Point, Biodiesel 100, 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cloud-point-biodiesel-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3ba79057-5015-440d-b8e6-443faa03ac55.jpg?v=1761267710</image:loc>
      <image:title>*Cloud Point, Biodiesel 5, 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/glycerin-0-5-mg-ml-in-pyridine-cas-56-81-5-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8b1b39a7-0b09-4213-9dbe-f26fc136a8b2.jpg?v=1761267711</image:loc>
      <image:title>*Glycerin, 0.5 mg/mL in Pyridine, CAS # 56-81-5, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoolein-5-mg-ml-in-pyridine-cas-111-03-5-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b869c608-ca40-43f8-a9f1-c38bc50d63cd.jpg?v=1761267715</image:loc>
      <image:title>*Monoolein, 5 mg/mL in Pyridine, CAS # 111-03-5, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-diolein-5-mg-ml-in-pyridine-cas-2465-32-9-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_576eec44-8516-40bd-8250-ec9215a84b7f.jpg?v=1761267719</image:loc>
      <image:title>*1,3-Diolein, 5 mg/mL in Pyridine, CAS # 2465-32-9, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triolein-5-mg-ml-in-pyridine-cas-122-32-7-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d381c0e3-d1a7-4361-b56e-22f9ee2d9168.jpg?v=1761267724</image:loc>
      <image:title>*Triolein, 5 mg/mL in Pyridine, CAS # 122-32-7, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/s-1-2-4-butanetriol-1-mg-ml-in-pyridine-cas-42890-76-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_71789168-133f-453c-b6cb-7d6eb1a9b42e.jpg?v=1761267728</image:loc>
      <image:title>*(S)-(-)-1,2,4-Butanetriol, 1 mg/mL in Pyridine, CAS # 42890-76-6, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tricaprin-8-mg-ml-in-pyridine-cas-621-71-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_696a9770-1276-4a13-b971-624fd9e398ac.jpg?v=1761267732</image:loc>
      <image:title>*Tricaprin, 8 mg/mL in Pyridine, CAS # 621-71-6, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mstfa-cas-24589-78-4-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_61e3d162-b58c-41ee-a764-674f793b8d31.jpg?v=1761267736</image:loc>
      <image:title>*MSTFA, CAS # 24589-78-4, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/astm-d-6584-mix-varied-conc-in-pyridine-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_95d8a5b8-d6ff-4f1f-9361-7401b7fe9cab.jpg?v=1761267739</image:loc>
      <image:title>*ASTM D 6584 Mix, Varied Conc. in Pyridine, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/astm-d-6584-standard-set-7-units-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9e583857-4d71-468a-9b86-316707a8df36.jpg?v=1761267743</image:loc>
      <image:title>*ASTM D 6584 Standard Set, 1 Set</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/flash-point-for-b100-nominal-140-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fff9a256-d5d6-4ced-b285-1f27fe7da86d.jpg?v=1761267747</image:loc>
      <image:title>*Flash Point for B100 (134 - 137 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/flash-point-for-b5-nominal-60-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_406dab88-6a8f-407f-9081-b049c1e1bf7b.jpg?v=1761267750</image:loc>
      <image:title>*Flash Point for B5 (60 - 63 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nominal-flash-point-65-c</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b796363c-85d3-4610-a5d6-8bc79fb7ba19.jpg?v=1761267754</image:loc>
      <image:title>*Flash Point (65 - 70 °C), 250 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biofuel-100-consumer-0-5-mg-ml-in-ch2cl2-cas-67784-80-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0a8468f1-6793-44cb-acaf-5369eee8b20f.jpg?v=1761267758</image:loc>
      <image:title>*Biofuel 100 Consumer, 0.5 mg/mL in CH2Cl2, CAS # 67784-80-9, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biofuel-100-consumer-20-mg-ml-in-methylene-chloride</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4f1d6512-8e06-4d98-97f4-f1921b5bed78.jpg?v=1761267762</image:loc>
      <image:title>*Biofuel 100 Consumer, 20 mg/mL in CH2CL2, CAS # 67784-80-9, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biofuel-20-0-5-mg-ml-in-ch2cl2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cadce591-0bc5-4a08-a0bd-3f8603f95978.jpg?v=1761267766</image:loc>
      <image:title>*Biofuel 20, 0.5 mg/mL in CH2Cl2, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biofuel-20-20-mg-ml-in-ch2cl2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c4b6ddf-d916-45c1-ac60-a9f626255331.jpg?v=1761267770</image:loc>
      <image:title>*Biofuel 20, 20 mg/mL in CH2CL2, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biofuel-100-refinery-0-5-mg-ml-in-ch2cl2-cas-67784-80-9-rg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f132f807-df13-4290-b159-88f346b2d283.jpg?v=1761267773</image:loc>
      <image:title>*Biofuel 100 Refinery, 0.5 mg/mL in CH2Cl2, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biofuel-100-refinery-20-mg-ml-in-ch2cl2-cas-67784-80-9-rg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c4cc4e65-03ae-4031-a595-1b9f972ce50f.jpg?v=1761267777</image:loc>
      <image:title>*Biofuel 100 Refinery, 20 mg/mL in CH2CL2, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kf-water-content-60-ug-g-in-anisole-cas-7732-18-5-10-x-5-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2603d509-5a6a-47c7-8aa0-a755a6092d0f.jpg?v=1761267781</image:loc>
      <image:title>*Biofuel KF Water Content, 60 µg/g in Anisole, CAS # 7732-18-5, 10 x 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kf-water-content-1000-mg-kg-in-anisole-cas-7732-18-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_104a20a1-a5bd-4a7a-8fc6-8c04839035b5.jpg?v=1761267784</image:loc>
      <image:title>*Biofuel KF Water Content, 1000 µg/g in Anisole, CAS # 7732-18-5, 10 x 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kf-water-content-100-mg-kg-in-anisole-cas-7732-18-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_17bc003f-e071-4482-904b-d4d1bb6234be.jpg?v=1761267789</image:loc>
      <image:title>*Biofuel KF Water Content, 100 µg/g in Anisole, CAS # 7732-18-5, 10 x 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kf-water-content-5000-mg-kg-in-anisole-cas-7732-18-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_54d7e337-1b05-43c9-9bc3-c2d97566f393.jpg?v=1761267793</image:loc>
      <image:title>*Biofuel KF Water Content, 5000 µg/g in Anisole, CAS # 7732-18-5, 10 x 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/percent-methanol-calibration-standard-set-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f3129534-6346-4817-9ae9-5cdb4ffc64fe.jpg?v=1761267796</image:loc>
      <image:title>***Percent Methanol Calibration Standard Set, 5 x 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-esters-in-palm-kernel-oil-varied-conc-by-weight-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5d90f1d6-cb0e-496f-9d26-32910a0099b1.jpg?v=1761267800</image:loc>
      <image:title>***Ethyl Esters in Palm Kernel Oil, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-esters-in-palm-kernel-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e6eead82-5aaa-4de7-8cc1-bdd0f5652950.jpg?v=1761267804</image:loc>
      <image:title>Methyl Esters in Palm Kernel Oil, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-esters-in-rapeseed-oil-varied-conc-by-weight</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_07383f97-1900-4348-8da3-afb5696024c8.jpg?v=1761267807</image:loc>
      <image:title>*Ethyl Esters in Rapeseed Oil, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-esters-in-rapeseed-oil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d44a7b1f-23ef-4f57-85c9-651815d91187.jpg?v=1761267811</image:loc>
      <image:title>Methyl Esters in Rapeseed Oil, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-esters-in-soy-corn-varied-conc-by-weight-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5319977f-8e54-4601-b0d3-f42dc5c6e3f7.jpg?v=1761267815</image:loc>
      <image:title>***Ethyl Esters in Soy &amp; Corn, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-esters-in-soy-corn-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c2aa945-6ea0-4ffa-83e9-1af7fbb89af2.jpg?v=1761267819</image:loc>
      <image:title>***Methyl Esters in Soy &amp; Corn, Varied conc. by weight, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromo-2-nitropropane-1-3-diol-bioc-002n-25mg-cas-52-51-7-25-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8de87e55-9977-49ba-a31b-6ab4e3ae66f5.jpg?v=1761267862</image:loc>
      <image:title>*2-Bromo-2-nitropropane-1,3-diol, Neat, CAS # 52-51-7, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chloro-3-methylphenol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2b5a91c8-8047-40e9-87d8-ead8e06eea21.jpg?v=1761267865</image:loc>
      <image:title>*4-Chloro-3-methylphenol, Neat, CAS # 59-50-7, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethanol-cas-64-17-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5d8a21fb-bf75-4270-bc58-37685c632694.jpg?v=1761267870</image:loc>
      <image:title>*Ethanol, Neat, CAS # 64-17-5, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/formic-acid-cas-64-18-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6f353c04-9df7-43ca-a7d8-671b284529e0.jpg?v=1761267874</image:loc>
      <image:title>*Formic acid, Neat, CAS # 64-18-6, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoic-acid-neat-cas-65-85-0-25-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_25053be0-0fd5-4f2c-bf83-25c533f4ceba.jpg?v=1761267878</image:loc>
      <image:title>*Benzoic acid, Neat, CAS # 65-85-0, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isopropanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_49279033-15db-4977-8189-3023aa4eb646.jpg?v=1761267881</image:loc>
      <image:title>*Isopropanol, Neat, CAS # 67-63-0, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/salicylic-acid-cas-69-72-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_59554448-d389-4352-8ade-eea8886c9b2a.jpg?v=1761267885</image:loc>
      <image:title>Salicylic acid, Neat, CAS # 69-72-7, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-propanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f229d9cb-85fb-4849-aaba-65400fb4439f.jpg?v=1761267888</image:loc>
      <image:title>*1-Propanol, Neat, CAS # 71-23-8, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/citric-acid-cas-77-92-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_441162b9-eb20-4756-a416-6aed114de56f.jpg?v=1761267892</image:loc>
      <image:title>Citric acid, Neat, CAS # 77-92-9, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chloro-3-5-dimethylphenol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_601a8959-d8e1-4ad3-8bac-9f7fda6468fa.jpg?v=1761267895</image:loc>
      <image:title>*4-Chloro-3,5-dimethylphenol, Neat, CAS # 88-04-0, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-phenylphenol-cas-90-43-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b7316051-afe6-4afb-b1a7-fa837092eb95.jpg?v=1761267716</image:loc>
      <image:title>o-Phenylphenol, Neat, CAS # 90-43-7, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triclocarban-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_562f98f4-c518-4b3e-b16a-f9ffd200886c.jpg?v=1761267720</image:loc>
      <image:title>Triclocarban, Neat, CAS # 101-20-2, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sorbic-acid-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6b212da7-e946-48e5-80aa-983ad5b7ed32.jpg?v=1761267724</image:loc>
      <image:title>*Sorbic acid, Neat, CAS # 110-44-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/glutaraldehyde-solution-50-water-cas-111-30-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fd5ed543-f519-48f2-a325-df1a40d584f4.jpg?v=1761267728</image:loc>
      <image:title>*Glutaraldehyde Solution (~50% Water), CAS # 111-30-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-benzyl-4-chlorophenol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e1cc9d1-9235-4b22-9d17-ca70af53f6fa.jpg?v=1761267731</image:loc>
      <image:title>*2-Benzyl-4-chlorophenol, Neat,  CAS # 120-32-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzthonium-chloride</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ef8c8d49-9ea2-4ba9-9a5b-e91b17209695.jpg?v=1761267735</image:loc>
      <image:title>*Benzthonium chloride, Neat, CAS # 121-54-0, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-phenoxyethanol-cas-122-99-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1845a09f-111a-45f9-ba50-7502e85dfa2d.jpg?v=1761267739</image:loc>
      <image:title>*2-Phenoxyethanol, Neat, CAS # 122-99-6, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cetylpyridinium-chloride</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_572962da-8d65-44bb-905d-7b39862d1140.jpg?v=1761267743</image:loc>
      <image:title>*Cetylpyridinium chloride, Neat, CAS # 123-03-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloramine-t-trihydrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2a64dc77-8d6e-4ecb-9a78-9237b8a31973.jpg?v=1761267746</image:loc>
      <image:title>*Chloramine T trihydrate, Neat, CAS # 7080-50-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-biphenylol-sodium-salt-tetrahydrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7d7b7951-1ab2-478f-94f9-960c9bb12c59.jpg?v=1761267750</image:loc>
      <image:title>*2-Biphenylol sodium salt tetrahydrate, Neat, CAS # 132-27-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-benzoate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_10a66850-b391-42c5-afeb-52290a4456c1.jpg?v=1761267754</image:loc>
      <image:title>*Sodium benzoate, Neat, CAS # 532-32-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/myristyltrimethylammonium-bromide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_16b5df42-63b9-4110-9c8f-6c295ac025a9.jpg?v=1761267757</image:loc>
      <image:title>*Myristyltrimethylammonium bromide, Neat, CAS # 1119-97-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-tetraborate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a1b811d-dba9-4609-b239-e598061d3c01.jpg?v=1761267761</image:loc>
      <image:title>*Sodium tetraborate, Neat, CAS # 1330-43-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-dichloroisocyanurate-dihydrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b823a866-63b2-43f4-8f84-315461e63766.jpg?v=1761267765</image:loc>
      <image:title>*Sodium dichloroisocyanurate dihydrate, Neat, CAS # 51580-86-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triclosan-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9fdbba9e-ea60-4649-8736-b41352d0f1c5.jpg?v=1761267768</image:loc>
      <image:title>*Triclosan, Neat, CAS # 3380-34-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/didecyldimethylammonium-chloride-cas-7173-51-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58ba0aa2-fd4c-49b3-8ad1-0c2c53564242.jpg?v=1761267772</image:loc>
      <image:title>*Didecyldimethylammonium chloride, Neat, CAS # 7173-51-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/didecyldimethylammonium-chloride-100-ug-ml-in-methanol-cas-7173-51-5-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e231bf6-5a3d-4fcd-b88a-629f50c36671.jpg?v=1761267776</image:loc>
      <image:title>*Didecyldimethylammonium chloride, 100 µg/mL in Methanol, CAS # 7173-51-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-sorbate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ce15a289-c443-44a9-bed9-d2defb78ab85.jpg?v=1761267780</image:loc>
      <image:title>*Calcium Sorbate, Neat, CAS # 7492-55-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/iodine-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f12a2a47-24dc-4190-915c-4d8bca9a6c4e.jpg?v=1761267784</image:loc>
      <image:title>*Iodine, Neat, CAS # 7553-56-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-bisulfite</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1eb0df3a-d18d-463e-bfac-1c83361e2b32.jpg?v=1761267788</image:loc>
      <image:title>*Sodium bisulfite, Neat, CAS # 7631-90-5, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-metabisulfite</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f82e8685-1ddc-4b01-a066-28703f32acfa.jpg?v=1761267792</image:loc>
      <image:title>*Sodium metabisulfite, Neat, CAS # 7681-57-4, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-sulfite</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e2ec6405-b87a-419c-b2ac-d2dd796e55cf.jpg?v=1761267795</image:loc>
      <image:title>*Sodium Sulfite, Neat, CAS # 7757-83-7, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-ii-sulfate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e2f018c1-2cc2-4cfe-907e-3bc1b53309c6.jpg?v=1761267799</image:loc>
      <image:title>*Copper (II) sulfate, Neat, CAS # 7758-98-7, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-nitrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f9ac07a8-4fab-4059-a18c-eb03de1daaf3.jpg?v=1761267803</image:loc>
      <image:title>*Silver nitrate, Neat, CAS # 7761-88-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-hypochlorite-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8e562d5e-ee14-47ad-a1b5-de25cd0b625c.jpg?v=1761267806</image:loc>
      <image:title>*Calcium hypochlorite, Neat, CAS # 7778-54-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-chloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_def9f4e2-292b-4c43-af32-3a5f6369664b.jpg?v=1761267810</image:loc>
      <image:title>*Silver chloride, Neat, CAS # 7783-90-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lignin-alkaline</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c25ea0a5-c2e0-477b-bb5e-4b9479d67729.jpg?v=1761267814</image:loc>
      <image:title>*Lignin (Alkaline), Neat, CAS # 9005-53-2, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/boric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f3ff4f6-749d-4fcd-b046-101ae7998629.jpg?v=1761267818</image:loc>
      <image:title>*Boric acid, Neat, CAS # 10043-35-3, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sulphite-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6de854d0-bc07-4bc9-a646-8e0c6cd3295f.jpg?v=1761267821</image:loc>
      <image:title>*Potassium sulphite, Neat, CAS # 10117-38-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-dibromo-2-cyanoacetamide-neat-bioc-046n-cas-10222-01-2-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5a48d797-269e-4a59-9e89-d3f08c1b4660.jpg?v=1761267825</image:loc>
      <image:title>*2,2-Dibromo-2-cyanoacetamide, Neat, CAS # 10222-01-2, BIOC-046N, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dipotassium-disulfite</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cf7cfab3-d257-4c3a-960a-0a6456a877d8.jpg?v=1761267829</image:loc>
      <image:title>*Dipotassium disulfite, Neat, CAS # 16731-55-8, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate-neat-bioc-049n-cas-24634-61-5-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_da1cac2a-28d8-4071-847e-58f76e0436af.jpg?v=1761267833</image:loc>
      <image:title>*Potassium sorbate, Neat,  CAS # 24634-61-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-p-menthane-3-8-diol-neat-cas-42822-86-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8c4620c4-0bf9-4d98-8a9e-6d8f0f7ffe7f.jpg?v=1761267836</image:loc>
      <image:title>*p-Menthane-3,8-diol, Neat, CAS # 42822-86-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-p-menthane-3-8-diol-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_922760eb-18fe-4b4d-a017-21d15bb0958a.jpg?v=1761267840</image:loc>
      <image:title>*p-Menthane-3,8-diol, 100 µg/mL in Acetonitrile, CAS # 42822-86-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propiconazole-cas-60207-90-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fb70f153-646f-4cc4-a831-96f53a690749.jpg?v=1761267844</image:loc>
      <image:title>*Propiconazole, Neat, CAS # 60207-90-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzalkonium-chloride-tech-neat-cas-63449-41-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_32cf9a4c-b4c1-40cb-95dc-633328d25759.jpg?v=1761267848</image:loc>
      <image:title>*Benzalkonium chloride (Tech), Neat, CAS # 63449-41-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lauryl-dimethylamine-oxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8c933c05-9fef-4879-a8ce-fd17a543e218.jpg?v=1761267852</image:loc>
      <image:title>*Lauryl dimethylamine oxide (30% in water), Neat, CAS # 70592-80-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-monopersulfate-triple-salt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_70863ce4-2f02-4a1c-a992-6e254f6eb186.jpg?v=1761267855</image:loc>
      <image:title>*Potassium monopersulfate triple salt, Neat, CAS # 70693-62-8, 500 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyvinylpyrrolidone-iodine-complex-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a82693b3-6ca3-481f-a18d-5eb8d10f8895.jpg?v=1761267859</image:loc>
      <image:title>*Poly(vinylpyrrolidone)–Iodine complex, Neat, CAS # 25655-41-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylene-oxide-5-mg-ml-in-isooctane-cas-75-21-8-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c9a63185-fa1b-4bb6-8945-280f3b313b3d.jpg?v=1761267862</image:loc>
      <image:title>*Ethylene oxide, 5 mg/mL in Isooctane, CAS # 75-21-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dibromo-5-5-dimethylhydantoin-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_288e7887-92a0-4668-ab24-4a0f0c50b36b.jpg?v=1761267866</image:loc>
      <image:title>*1,3-Dibromo-5,5-dimethylhydantoin, Neat, CAS # 77-48-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/glycolic-acid-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8142f1d7-3ea3-4d75-8fe3-9aff4793f6a5.jpg?v=1761267870</image:loc>
      <image:title>*Glycolic acid, Neat,  CAS # 79-14-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/l-lactic-acid-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_26b67609-86c6-4bd2-9ea4-a797b104153b.jpg?v=1761267874</image:loc>
      <image:title>***L-(+)-Lactic acid, Neat, CAS # 79-33-4, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/symclosene-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c9b2e753-7321-449b-a627-b78b3eb05297.jpg?v=1761267877</image:loc>
      <image:title>*Symclosene, Neat, CAS # 87-90-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorophen</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fed76e2b-c664-4241-beed-eba3264cadbe.jpg?v=1761267881</image:loc>
      <image:title>*Dichlorophen, Neat, CAS # 97-23-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamal-neat-bioc-062n-cas-104-55-2-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86c17a09-fbf1-4922-a2b5-36f8ff55f01b.jpg?v=1761267885</image:loc>
      <image:title>*Cinnamal, Neat,  CAS # 104-55-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-cresol-neat-cas-108-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d7960b25-95ef-4d9f-a317-035906c754f4.jpg?v=1761267889</image:loc>
      <image:title>*m-Cresol, Neat, CAS # 108-39-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nonanoic-acid-neat-cas-112-05-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0abea388-fea4-4fca-9526-28e3ed99e367.jpg?v=1761267893</image:loc>
      <image:title>Nonanoic acid, Neat, CAS # 112-05-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dichloro-5-5-dimethylhydantoin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a1662206-8851-4e31-9866-885dda9ee78f.jpg?v=1761267897</image:loc>
      <image:title>*1,3-Dichloro-5,5-dimethylhydantoin, Neat, CAS # 118-52-5, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-benzoate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8941b2ba-244e-402a-9abd-41f8e12aaeb1.jpg?v=1761267901</image:loc>
      <image:title>*Benzyl benzoate, Neat, CAS # 120-51-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trishydroxymethylnitromethane-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b06cbbd6-5cf6-4f16-8f5f-c6608c9ae603.jpg?v=1761267902</image:loc>
      <image:title>*Tris(Hydroxymethyl)nitromethane, Neat, CAS # 126-11-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-dimethyldithiocarbamate-hydrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4a586faf-07ab-4d70-8a52-c6113e9fa37a.jpg?v=1761267906</image:loc>
      <image:title>*Sodium dimethyldithiocarbamate hydrate, Neat, CAS # 207233-95-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiram-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2b91e7f8-3600-40ee-8c92-a1aca6f45f9e.jpg?v=1761267910</image:loc>
      <image:title>*Thiram, Neat, CAS # 137-26-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ziram-cas-137-30-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c13bfae0-fc35-4feb-9a7e-000216dd93a7.jpg?v=1761267913</image:loc>
      <image:title>*Ziram, Neat, CAS # 137-30-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/metam-sodium-dihydrate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_058e4d7b-6e0f-4f52-9f50-57615116cbd4.jpg?v=1761267917</image:loc>
      <image:title>*Metam-sodium dihydrate, Neat, CAS # 6734-80-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-n-bishydroxymethylurea-mfg-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dd71a149-0b41-4708-99a9-8c493128efdf.jpg?v=1761267921</image:loc>
      <image:title>*N,N&apos;-Bis(hydroxymethyl)urea (MFG), Neat, CAS # 140-95-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiabendazole</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_95270c84-f52c-40a2-add9-c4c1803ff392.jpg?v=1761267924</image:loc>
      <image:title>*Thiabendazole, Neat, CAS # 148-79-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-mercaptobenzothiazole</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2ab3e17a-10b2-4d3f-9947-3ee8052f8b80.jpg?v=1761267928</image:loc>
      <image:title>*2-Mercaptobenzothiazole, Neat, CAS # 149-30-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-hydroxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_955b53f7-f3f8-4dc1-ae07-f45e48459413.jpg?v=1761267932</image:loc>
      <image:title>*Calcium hydroxide, Neat, CAS # 1305-62-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-oxide-acs-grade-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cce4221b-d99c-4a38-bcb2-7254274e0c3f.jpg?v=1761267936</image:loc>
      <image:title>*Calcium oxide (ACS grade), Neat, CAS # 1305-78-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monolinuron</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cfc1904a-89a2-4fb0-bc54-e2ef7ca2603c.jpg?v=1761267940</image:loc>
      <image:title>*Monolinuron, Neat, CAS # 1746-81-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorobenzyl-alcohol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0fbfc1d5-55cf-43cd-9e0d-687a911a1c54.jpg?v=1761267944</image:loc>
      <image:title>*2,4-Dichlorobenzyl alcohol, Neat,  CAS # 1777-82-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-benzisothiazol-32h-one-19-3-in-water</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_23e83f60-5cee-401a-8b60-fa55841784ca.jpg?v=1761267948</image:loc>
      <image:title>*Nipacide Bit 20, 19.3% in Water, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methyl-2h-isothiazol-3-one</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d9679c2f-efde-4778-be16-41823a1f1ee7.jpg?v=1761267952</image:loc>
      <image:title>*2-Methyl-2H-isothiazol-3-one, Neat, CAS # 2682-20-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenol-sodium-salt-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6026ce4d-cde0-4bad-b88c-9e2625e40d82.jpg?v=1761267956</image:loc>
      <image:title>*2,4,6-Trichlorophenol sodium salt, Neat, CAS # 3784-03-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-2-thiol-1-oxide-sodium-salt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f57a9fb3-d021-422d-8d28-2e88c4c5cde8.jpg?v=1761267960</image:loc>
      <image:title>*Pyridine-2-thiol-1-oxide, sodium salt, Neat, CAS # 3811-73-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexahydro-1-3-5-trishydroxyethyltriazine-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_68d7cd8c-3892-4d24-b410-6d405ab050e6.jpg?v=1761267963</image:loc>
      <image:title>*Hexahydro-1,3,5-tris(hydroxyethyl)triazine, Neat, CAS # 4719-04-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/terbuthylazine</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_433c22e8-14ad-42a0-b5a6-5599cb03f5c4.jpg?v=1761267967</image:loc>
      <image:title>*Terbuthylazine, Neat, CAS # 5915-41-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_a195445d-2fc6-45ba-b17d-98f6f1898387.jpg?v=1776873041</image:loc>
      <image:title>*Silver, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Inorganic_Bottle_and_Ampule_2048x2048pxl_ab8b7dbe-987f-4f50-8767-f215de68d678.jpg?v=1776873045</image:loc>
      <image:title>*Copper, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-bromide-neat-cas-7647-15-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_af118b2c-a08d-4de1-98e5-b00a29c076ce.jpg?v=1761267978</image:loc>
      <image:title>Sodium bromide, Neat, CAS # 7647-15-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-chlorite-neat-cas-7758-19-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c98fa8a5-091c-4f7e-860b-b16d11674cb5.jpg?v=1761267982</image:loc>
      <image:title>Sodium chlorite, Neat, CAS # 7758-19-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-chlorate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_99493277-bcdc-4353-aa17-32c20548711c.jpg?v=1761267986</image:loc>
      <image:title>*Sodium chlorate, Neat, CAS # 7775-09-9, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ammonium-bromide</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6d0d53b4-8e57-4627-af29-c90c4fd778c5.jpg?v=1761267989</image:loc>
      <image:title>*Ammonium bromide, Neat, CAS # 12124-97-9, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zinc-pyrithione-neat-cas-13463-41-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e76eeb7c-74b7-46cb-9329-b417da37e67b.jpg?v=1761267993</image:loc>
      <image:title>*Zinc pyrithione, Neat, CAS # 13463-41-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/busan-neat-cas-21564-17-0-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a10a75a9-b24b-4842-83ee-662793604020.jpg?v=1761267997</image:loc>
      <image:title>*Busan, Neat, CAS # 21564-17-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/busan-tcmtb-100-ug-ml-in-accn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67cb6a08-7d75-451d-b8ee-1a2cc0dbe662.jpg?v=1761268001</image:loc>
      <image:title>*Busan (TCMTB), 100 µg/mL in Acetonitrile, CAS # 21564-17-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imazalil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_59ba0b30-2e86-4f88-87fa-a3fdbbd72fa7.jpg?v=1761268005</image:loc>
      <image:title>*Imazalil, Neat, CAS # 35554-44-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/permethrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_619ac4a6-e2e0-4bf2-abeb-2806637dd6d5.jpg?v=1761268008</image:loc>
      <image:title>*Permethrin, Neat, CAS # 52645-53-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thps-tech-grade-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fc37b115-f7c5-4f79-bc8c-959f0c4acfb8.jpg?v=1761268012</image:loc>
      <image:title>*THPS (Tech Grade), Neat, CAS # 55566-30-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-didecyl-2-methyl-1h-imidazolium-chloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ff7d7538-a44e-4ae6-8558-38c5ee835664.jpg?v=1761268015</image:loc>
      <image:title>*1,3-Didecyl-2-methyl-1H-imidazolium chloride, Neat, CAS # 70862-65-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/magnesium-bismonoperoxyphthalate-hexahydrate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0160d6a1-913e-4878-a46a-d9dff754bef2.jpg?v=1761268019</image:loc>
      <image:title>*Magnesium bis(monoperoxyphthalate) hexahydrate, Neat, CAS # 84665-66-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tributyltetradecylphosphonium-chloride-neat-bioc-105n-cas-81741-28-8-ship-with-an-ice-pack-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f81eb467-21b9-44d6-b013-3d38ebc8f4af.jpg?v=1761268023</image:loc>
      <image:title>*Tributyltetradecylphosphonium chloride, Neat, CAS # 81741-28-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/etofenprox</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_69b4acc3-452a-4986-bb67-e2f92e2e81f4.jpg?v=1761268027</image:loc>
      <image:title>*Etofenprox, Neat, CAS # 80844-07-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/guazatine-acetate-tech</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f619894c-903a-4f65-b04c-91206822b9c0.jpg?v=1761268031</image:loc>
      <image:title>*Guazatine acetate (Tech), Neat, CAS # 115044-19-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroacetamide-neat-bioc-109n-cas-79-07-2-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_06837637-dd38-4b7e-b211-22c915ead1d1.jpg?v=1761268035</image:loc>
      <image:title>*Chloroacetamide, Neat,  CAS # 79-07-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyanamide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b7eec1a-8c75-4887-bba6-db839b30d834.jpg?v=1761268038</image:loc>
      <image:title>*Cyanamide, Neat, CAS # 420-04-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silicon-dioxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_50d5c650-8d0f-493f-ae5e-f0bb8d72742e.jpg?v=1761268042</image:loc>
      <image:title>*Silicon dioxide, Neat, CAS # 14808-60-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/clothianidin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9f828cdd-0784-4c14-843c-fbf88da59e0d.jpg?v=1761268045</image:loc>
      <image:title>*Clothianidin, Neat, CAS # 210880-92-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/spinosad</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b83f52a6-7e4b-4383-bdac-c4d40e677553.jpg?v=1761268049</image:loc>
      <image:title>*Spinosad, Neat, CAS # 168316-95-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromoacetic-acid-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_93fd36b7-cb36-4e5f-b1dc-9da33836dfb3.jpg?v=1761268053</image:loc>
      <image:title>*Bromoacetic acid, Neat, CAS # 79-08-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octanoic-acid-neat-cas-124-07-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a724889b-79b3-4a37-9ca7-e2ba5ccca36e.jpg?v=1761268057</image:loc>
      <image:title>*Octanoic acid, Neat, CAS # 124-07-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/decanoic-acid-neat-cas-334-48-5-ship-with-an-ice-pack</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fd453d82-d108-4925-a27f-8b1b9b17a38c.jpg?v=1761268060</image:loc>
      <image:title>*Decanoic acid, Neat, CAS # 334-48-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/orthophosphoric-acid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c0140b93-3029-4744-9d68-6c933091af90.jpg?v=1761268064</image:loc>
      <image:title>*Orthophosphoric acid, Neat, CAS # 7664-38-2, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-persulfate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0d41a18f-b3ca-43e6-bcbc-476105de0ff5.jpg?v=1761268068</image:loc>
      <image:title>*Sodium persulfate, Neat, CAS # 7775-27-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-octyl-2h-isothiazol-3-one</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_74e7402e-b9b0-45d3-b800-1b7e2805da84.jpg?v=1761268072</image:loc>
      <image:title>*2-Octyl-2H-isothiazol-3-one, Neat, CAS # 26530-20-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-chloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3d2f6a4a-bb83-4732-a658-e1c5b990b56b.jpg?v=1761268076</image:loc>
      <image:title>*Sodium chloride, Neat, CAS # 7647-14-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-permanganate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_83fd0a6e-daff-490f-8cb3-ddc355521a14.jpg?v=1761268079</image:loc>
      <image:title>*Potassium permanganate, Neat, CAS # 7722-64-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/captan-cas-133-06-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_189c33a0-1bca-4ece-aec9-7926fa54b726.jpg?v=1761268083</image:loc>
      <image:title>*Captan, Neat, CAS # 133-06-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/folpet</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2bad1a08-4e26-43a4-bb3f-feee2873c8ba.jpg?v=1761268086</image:loc>
      <image:title>*Folpet, Neat, CAS # 133-07-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diuron-karmex-cas-330-54-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_133d3aba-9f8a-4994-a4ef-33aba488620c.jpg?v=1761267907</image:loc>
      <image:title>Diuron/Karmex, Neat, CAS # 330-54-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dazomet-bioc-125n-10mg-cas-533-74-4-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0fed4040-7f41-4f2c-ad30-ca25570fac0e.jpg?v=1761267911</image:loc>
      <image:title>*Dazomet, Neat, CAS # 533-74-4, BIOC-125N-10MG, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorothalonil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_db0c1987-364b-4d55-a8a8-fe29d41990f9.jpg?v=1761267915</image:loc>
      <image:title>*Chlorothalonil, Neat, CAS # 1897-45-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluometuron-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d226f735-9e7a-4f7f-bdf7-93f17304bc17.jpg?v=1761267919</image:loc>
      <image:title>*Fluometuron, Neat, CAS # 2164-17-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bistrichloromethyl-sulphone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_faab8efc-4235-46b1-802f-778421dcb569.jpg?v=1761267922</image:loc>
      <image:title>*bis(Trichloromethyl) sulphone, Neat, CAS # 3064-70-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-n-methylenebismorpholine-100-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_47500c82-eeb8-4fc4-9314-cc3d477b6835.jpg?v=1761267926</image:loc>
      <image:title>*N,N&apos;-Methylenebismorpholine, 100 µg/mL in Methanol, CAS # 5625-90-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-dithiocyanate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8ea00757-d17b-417c-b524-14b4ce08d30a.jpg?v=1761267930</image:loc>
      <image:title>*Methylene dithiocyanate, Neat,  CAS # 6317-18-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/prometryne</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_448c8066-bd27-4d1a-9f0b-4ecfa8cfcc28.jpg?v=1761267934</image:loc>
      <image:title>*Prometryne, Neat, CAS # 7287-19-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-ethyl-1-aza-3-7-dioxabicyclo3-3-0octane-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_01c52ba4-4806-4a90-bb08-4923b067602c.jpg?v=1761267938</image:loc>
      <image:title>*5-Ethyl-1-aza-3,7-dioxabicyclo[3,3,0]octane, Neat, CAS # 7747-35-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbendazim</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5e41057f-d7a6-4b00-843c-30c578a97a22.jpg?v=1761267942</image:loc>
      <image:title>*Carbendazim, Neat, CAS # 10605-21-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorotoluron-neat-cas-15545-48-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9d90639d-faf9-4fc7-a150-2ffaa7d3256d.jpg?v=1761267945</image:loc>
      <image:title>Chlorotoluron, Neat, CAS # 15545-48-9, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoproturon-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_230425f0-1816-4f31-953f-5a72161ba2ed.jpg?v=1761267949</image:loc>
      <image:title>*Isoproturon, Neat,  CAS # 34123-59-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromo-2-bromomethylpentane-dinitrile-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0976f593-cb40-48c0-b68d-925779ad265e.jpg?v=1761267952</image:loc>
      <image:title>*2-Bromo-2-(bromomethyl)pentane-dinitrile, Neat, CAS # 35691-65-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-iodo-2-propynyl-butylcarbamate-neat-cas-55406-53-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f3d189e1-7b02-46fe-8977-0d4fe4fdcaed.jpg?v=1761267956</image:loc>
      <image:title>*3-Iodo-2-propynyl butylcarbamate, Neat, CAS # 55406-53-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fenpropimorph</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_295e1fd4-a607-407d-b761-d72814847c37.jpg?v=1761267960</image:loc>
      <image:title>*Fenpropimorph, Neat, CAS # 67564-91-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazolidinyl-urea-neat-bioc-140n-cas-78491-02-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a341a49f-7296-4561-adab-90cd5cc562a1.jpg?v=1761267964</image:loc>
      <image:title>*Diazolidinyl urea, Neat,  CAS # 78491-02-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/quaternium-15-neat-bioc-141n-cas-51229-78-8-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_33c2c69b-5083-4905-b159-cbfb85b2323c.jpg?v=1761267968</image:loc>
      <image:title>*Quaternium-15, Neat,  CAS # 51229-78-8, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-cypermethrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_598ea105-763a-43ed-b68f-2cba171a7794.jpg?v=1761267972</image:loc>
      <image:title>*a-Cypermethrin, Neat, CAS # 67375-30-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorfenapyr</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_00fa2f2a-4060-4cac-a744-d76b845d4091.jpg?v=1761267976</image:loc>
      <image:title>*Chlorfenapyr, Neat, CAS # 122453-73-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tolylfluanide-cas-731-27-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_58006b40-ff98-47c4-853c-e1d2dffe4b96.jpg?v=1761267980</image:loc>
      <image:title>*Tolylfluanide, Neat, CAS # 731-27-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/terbutryn</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1b6ecc51-d116-4d2f-a240-98f3779b0b2a.jpg?v=1761267983</image:loc>
      <image:title>*Terbutryn, Neat, CAS # 886-50-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlofluanid-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dad53453-8e16-48e6-a329-3d9486c99fad.jpg?v=1761267987</image:loc>
      <image:title>*Dichlofluanid, Neat, CAS # 1085-98-9, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zinc-sulfide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_03cc1cab-1d21-46f4-9170-d84285949249.jpg?v=1761267990</image:loc>
      <image:title>*Zinc sulfide, Neat, CAS # 1314-98-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/irgarol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_112b737b-7e99-4f66-8079-32e556fe5395.jpg?v=1761267994</image:loc>
      <image:title>*Cybutryne (Irgarol), Neat, CAS # 28159-98-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tebuconazol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6c06a345-e2cc-4e78-8ff6-e0d72f490864.jpg?v=1761267998</image:loc>
      <image:title>*Tebuconazol, Neat, CAS # 107534-96-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diboron-trioxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_add21d1a-fb5d-4732-add9-02a70abedf1f.jpg?v=1761268002</image:loc>
      <image:title>*Diboron trioxide, Neat, CAS # 1303-86-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-i-oxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dac7feb7-9538-47bc-ab4e-14a1498abe75.jpg?v=1761268005</image:loc>
      <image:title>*Copper (I) oxide, Neat, CAS # 1317-39-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/creosote-from-beechwood-tar-neat-cas-8021-39-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a63a315-30e5-4376-9694-ab2d7014b88b.jpg?v=1761268009</image:loc>
      <image:title>*Creosote from beechwood tar, Neat, CAS # 8021-39-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copperii-carbonate-basic-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_13365fe9-89d4-4d02-8415-706dba45f393.jpg?v=1761268012</image:loc>
      <image:title>*Copper(II) carbonate basic, Neat, CAS # 12069-69-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-dihydroxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_420d2285-9635-4b83-b1ba-0d6155287045.jpg?v=1761268016</image:loc>
      <image:title>*Copper dihydroxide, Neat, CAS # 20427-59-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cypermethrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec560509-f28c-4a8e-8580-0e6978f1b3d3.jpg?v=1761268019</image:loc>
      <image:title>*Cypermethrin, Neat, CAS # 52315-07-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fenoxycarb</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e46a9323-5a3c-4710-a24a-30af04556a15.jpg?v=1761268023</image:loc>
      <image:title>*Fenoxycarb, Neat, CAS # 72490-01-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/flufenoxuron</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_39fc49a2-3784-4aff-90d0-757e9a8b3bb2.jpg?v=1761268027</image:loc>
      <image:title>*Flufenoxuron, Neat, CAS # 101463-69-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiamethoxam</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fcffdfba-03a8-4ec3-9ad5-4c23732fb28e.jpg?v=1761268030</image:loc>
      <image:title>*Thiamethoxam, Neat, CAS # 153719-23-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bifenthrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a6ba3218-426c-42c1-800a-9788eda667f9.jpg?v=1761268034</image:loc>
      <image:title>*Bifenthrin, Neat, CAS # 82657-04-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyproconazole-neat-cas-94361-06-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8a65d70d-d710-4981-bb97-584bb347c4a1.jpg?v=1761268037</image:loc>
      <image:title>*Cyproconazole, Neat, CAS # 94361-06-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyproconazole-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6bcfd0a0-bc6d-4e9a-9aa2-535044c228f8.jpg?v=1761268041</image:loc>
      <image:title>*Cyproconazole, 100 µg/mL in MeOH, CAS # 94361-06-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenoxarsin-10-yl-oxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ade8cf4-59c6-4092-a747-88bd73999f43.jpg?v=1761268045</image:loc>
      <image:title>*Diphenoxarsin-10-yl oxide, Neat, CAS # 58-36-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tolnaftate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0f238493-faed-4397-81a1-174dfc3409d0.jpg?v=1761268049</image:loc>
      <image:title>*Tolnaftate, Neat, CAS # 2398-96-1, 25 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-2-dithiobispyridine-n-oxide</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_df8c6309-ea83-4963-8b77-f1a76b643c29.jpg?v=1761268052</image:loc>
      <image:title>*2,2&apos;-Dithiobis(pyridine-N-oxide), Neat, CAS # 3696-28-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zinc-borate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a3727eb0-d712-4311-b739-23a0559d4f88.jpg?v=1761268056</image:loc>
      <image:title>*Zinc borate, Neat, CAS # 12767-90-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-hydroxy-4-isopropyl-2-4-6-cycloheptatrien-1-one-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c178976c-a7a3-450d-909a-ef6b22d7f5b9.jpg?v=1761268059</image:loc>
      <image:title>*2-Hydroxy-4-isopropyl-2,4,6-cycloheptatrien-1-one, Neat, CAS # 499-44-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ammonium-sulfate-neat-cas-7783-20-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_00545d29-ab2c-4750-a387-c498da401b5d.jpg?v=1761268063</image:loc>
      <image:title>Ammonium sulfate, Neat, CAS # 7783-20-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/disilver-oxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6d2f6591-c376-48d2-a731-e7bb7a3f274d.jpg?v=1761268067</image:loc>
      <image:title>*Disilver oxide, Neat, CAS # 20667-12-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/r-p-mentha-1-8-diene-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ad4ff212-8f80-4cd5-ac44-aa3f8e9c5e98.jpg?v=1761268070</image:loc>
      <image:title>*(R)-p-Mentha-1,8-diene, Neat, CAS # 5989-27-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-lignosulfonate-tech-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ef613a7-c100-4aa1-acef-e60afbf169f8.jpg?v=1761268074</image:loc>
      <image:title>*Sodium lignosulfonate (Tech), Neat, CAS # 8061-51-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/warfarin-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7e676e3b-a951-40cb-a70e-1a5588cc30c1.jpg?v=1761268078</image:loc>
      <image:title>*Warfarin, Neat, CAS # 81-81-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/warfarin-sodium-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fd2a660f-fb91-4317-af88-00115b8e6123.jpg?v=1761268082</image:loc>
      <image:title>*Warfarin sodium, Neat, CAS # 129-06-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorophacinone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0f60ac7-0d11-4002-9985-1668fab2bce2.jpg?v=1761268085</image:loc>
      <image:title>*Chlorophacinone, Neat, CAS # 3691-35-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coumatetralyl</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_52fc9a6a-45a5-4f15-8a14-f5860e47e836.jpg?v=1761268089</image:loc>
      <image:title>*Coumatetralyl, Neat, CAS # 5836-29-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloralose</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a786c2fa-9fea-4801-9090-8f71ceafadb6.jpg?v=1761268098</image:loc>
      <image:title>*Chloralose, Neat, CAS # 15879-93-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromadiolone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_51239429-ff0b-48a3-add7-4d064478bb48.jpg?v=1761268102</image:loc>
      <image:title>*Bromadiolone, Neat, CAS # 28772-56-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/difenacoum-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3daaadcd-9d1b-4235-9f44-3025ef1c0b10.jpg?v=1761268106</image:loc>
      <image:title>*Difenacoum, 100 µg/mL in Dichloromethane, CAS # 56073-07-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/brodifacoum</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_466343ce-b66d-4914-ad1a-91bcf8b10cc3.jpg?v=1761268109</image:loc>
      <image:title>*Brodifacoum, Neat, CAS # 56073-10-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/flocoumafen-100-ug-ml-in-methanol-cas-90035-08-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3f792993-1787-4435-b00b-ee78940d4b0c.jpg?v=1761268117</image:loc>
      <image:title>*Flocoumafen, 100 µg/mL in Methanol, CAS # 90035-08-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rotenone</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dc725dbb-2e2f-49ab-b356-420ecdb6c71b.jpg?v=1761268121</image:loc>
      <image:title>*Rotenone, Neat, CAS # 83-79-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/piperonyl-butoxide-cas-51-03-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4384f9eb-a1f6-4370-9a5a-d9d32a8eb08b.jpg?v=1761268124</image:loc>
      <image:title>Piperonyl butoxide, Neat, CAS # 51-03-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorvos</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5dd87e1d-9416-4c39-b0e5-27c0b4fbc3cb.jpg?v=1761268128</image:loc>
      <image:title>*Dichlorvos, Neat, CAS # 62-73-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/linalool-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2495460d-45e6-4212-a37b-e3bdb904b7e1.jpg?v=1761268132</image:loc>
      <image:title>*Linalool, Neat,  CAS # 78-70-6, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/naphthalene-neat-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2e995259-cd7f-497b-bec3-cbaf24e53176.jpg?v=1761268135</image:loc>
      <image:title>*Naphthalene, Neat,  CAS # 91-20-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/geraniol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d6e2c5f7-11f5-4024-9ad1-d94a330fc9c4.jpg?v=1761268139</image:loc>
      <image:title>*Geraniol, Neat,  CAS # 106-24-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/undecan-2-one-methyl-nonyl-ketone-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_abe7f754-3616-40ef-a7d8-7152668373c0.jpg?v=1761268143</image:loc>
      <image:title>*Undecan-2-one (Methyl-nonyl-ketone), 100 µg/mL in Acetonitrile, CAS # 112-12-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propoxur-cas-114-26-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5f3ba7a8-68c4-4aaf-a4ab-942373a88197.jpg?v=1761268147</image:loc>
      <image:title>Propoxur, Neat, CAS # 114-26-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fenitrothion-100-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_71c6a86d-609b-434b-a7af-111c477695a0.jpg?v=1761268150</image:loc>
      <image:title>*Fenitrothion, 100 µg/mL in Methanol, CAS # 122-14-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-dimethylarsinate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d8cd28a9-7ed6-4a47-8644-41f374be0a24.jpg?v=1761268154</image:loc>
      <image:title>*Sodium dimethylarsinate, Neat, CAS # 124-65-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-anthranilate-neat-cas-134-20-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1582cdbe-67c5-4e5a-92a4-bf7161811675.jpg?v=1761268158</image:loc>
      <image:title>*Methyl anthranilate, Neat, CAS # 134-20-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-n-diethyl-m-toluamide-deet-off</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0dd622d0-baa3-403e-9c79-c28908e57375.jpg?v=1761268161</image:loc>
      <image:title>*N,N-Diethyl-m-toluamide (DEET/OFF), Neat, CAS # 134-62-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyldimethyldodecylammonium-chloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_96813be9-fa17-4ab1-ba04-045e8ce230d1.jpg?v=1761268166</image:loc>
      <image:title>*Benzyldimethyldodecylammonium chloride, Neat, CAS # 139-07-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lauric-acid-neat-cas-143-07-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_737842dc-0767-42d2-a209-091369f98f4f.jpg?v=1761268170</image:loc>
      <image:title>*Lauric acid, Neat, CAS # 143-07-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/naled-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bed0c5ff-60d1-4352-a092-682a13f35660.jpg?v=1761268174</image:loc>
      <image:title>*Naled, Neat, CAS # 300-76-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazinon</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3d14f1c0-4749-45c0-aa43-eb7858a245ca.jpg?v=1761268177</image:loc>
      <image:title>*Diazinon, Neat, CAS # 333-41-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-thiocyanate-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_021a62c0-7c2e-4e52-b804-ab76a1ea9494.jpg?v=1761268181</image:loc>
      <image:title>*Copper thiocyanate, Neat, CAS # 1111-67-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-ii-oxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_378dafe7-d55b-4162-aaf1-8752143d52bc.jpg?v=1761268184</image:loc>
      <image:title>*Copper (II) oxide, Neat, CAS # 1317-38-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/oct-1-ene-3-ol-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f61553f6-9165-48c7-abc3-9408e6c328c8.jpg?v=1761268188</image:loc>
      <image:title>*Oct-1-ene-3-ol, Neat, CAS # 3391-86-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetramethrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6039a6d6-a296-4223-bdda-a60ac14c65ed.jpg?v=1761268191</image:loc>
      <image:title>*Tetramethrin, Neat, CAS # 7696-12-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrethrins-tech-mix</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_34a99a2a-6f0b-459d-bfdf-4196f3614ed5.jpg?v=1761268195</image:loc>
      <image:title>*Pyrethrins (Tech Mix), Neat, CAS # 8003-34-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zineb</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0b60e079-76a9-4a1f-8bc6-3d1f4928e92c.jpg?v=1761268199</image:loc>
      <image:title>*Zineb, Neat, CAS # 12122-67-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bendiocarb</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_390a548a-ffba-43a3-9627-4de4b7a28eff.jpg?v=1761268202</image:loc>
      <image:title>*Bendiocarb, Neat, CAS # 22781-23-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/prallethrin-100-ug-ml-in-methanol-cas-23031-36-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5c6dea9b-adb8-46d1-9e5f-7cb06b0a30d0.jpg?v=1761268206</image:loc>
      <image:title>*Prallethrin, 100 µg/mL in Methanol, CAS # 23031-36-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-tricos-9-ene-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_10320809-5130-4d6f-a83d-e10b06a1c5cc.jpg?v=1761268210</image:loc>
      <image:title>*cis-Tricos-9-ene, Neat, CAS # 27519-02-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diflubenzuron</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2ace0446-ff47-41c5-b3d4-95ceb09e9e1a.jpg?v=1761268213</image:loc>
      <image:title>*Diflubenzuron, Neat, CAS # 35367-38-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/azamethiphos</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e85e802c-fecf-4888-a154-fd3d15bcc044.jpg?v=1761268217</image:loc>
      <image:title>*Azamethiphos, Neat, CAS # 35575-96-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyphenothrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_767d68e3-19aa-49ac-8319-a0b4aea92242.jpg?v=1761268221</image:loc>
      <image:title>*Cyphenothrin, Neat, CAS # 39515-40-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-butylacetylaminopropionate-100-ug-ml-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cc628419-f4e3-439e-b9fc-bae4faf16cb2.jpg?v=1761268225</image:loc>
      <image:title>*Ethyl Butylacetylaminopropionate, 100 µg/mL in Methanol, CAS # 52304-36-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/deltamethrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_955d6cac-c6ad-4524-9db2-52072d225ecc.jpg?v=1761268229</image:loc>
      <image:title>*Deltamethrin, Neat, CAS # 52918-63-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/empenthrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_51778198-3615-4415-bbdc-06ba9d8d2d5b.jpg?v=1761268233</image:loc>
      <image:title>*Empenthrin, Neat, CAS # 54406-48-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triflumuron</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f1208b14-5963-4aea-87e6-f1474862f1c6.jpg?v=1761268236</image:loc>
      <image:title>*Triflumuron, Neat, CAS # 64628-44-0, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-cyclopropyl-1-3-5-triazine-2-4-6-triamine</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_50c43f68-3053-42d3-8413-301939374355.jpg?v=1761268240</image:loc>
      <image:title>*N-cyclopropyl-1,3,5-triazine-2,4,6-triamine, Neat, CAS # 66215-27-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyfluthrin-mix-of-isomers</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_61d392bf-526a-4999-b3ed-fc98b88122fc.jpg?v=1761268244</image:loc>
      <image:title>*Cyfluthrin - Mix of Isomers, Neat, CAS # 68359-37-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/margosa-extract-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_15003e3c-9c88-4e71-9731-30565d164e5d.jpg?v=1761268247</image:loc>
      <image:title>*Margosa extract, Neat, CAS # 84696-25-3, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexaflumuron</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b938e176-5bd7-4e36-87fd-c6fc3fb04c1b.jpg?v=1761268251</image:loc>
      <image:title>*Hexaflumuron, Neat, CAS # 86479-06-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/transfluthrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_30c9a85f-ecdf-4cb7-810e-1dd4453ba14f.jpg?v=1761268255</image:loc>
      <image:title>*Transfluthrin, Neat, CAS # 118712-89-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydramethylnon-100-ug-ml-in-meoh</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_35ba989b-6fc9-48bb-b3a8-cb1d0929f3f1.jpg?v=1761268259</image:loc>
      <image:title>*Hydramethylnon, 100 µg/mL in MeOH, CAS # 67485-29-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/l-cyhalothrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9ed58e3-3207-4a33-aac3-e40e08c4fee0.jpg?v=1761268262</image:loc>
      <image:title>*L-Cyhalothrin, Neat, CAS # 91465-08-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icaridin-100-ug-ml-in-acetonitrile-cas-119515-38-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_82620c51-9c0b-477f-81f1-88789ba0ba55.jpg?v=1761268266</image:loc>
      <image:title>*Icaridin, 100 µg/mL in Acetonitrile, CAS # 119515-38-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fipronil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2e07e089-6d99-41b8-be79-7ec94eecb26b.jpg?v=1761268270</image:loc>
      <image:title>*Fipronil, Neat, CAS # 120068-37-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imidacloprid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8742b8c3-9a8d-4c9d-b169-b5445b4c6be1.jpg?v=1761268274</image:loc>
      <image:title>*Imidacloprid, Neat, CAS # 138261-41-3, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imiprothrin-neat-cas-72963-72-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bbea8d30-7637-4c90-a070-8303492118c0.jpg?v=1761268277</image:loc>
      <image:title>*Imiprothrin, Neat, CAS # 72963-72-5, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imiprothrin-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_748acc36-c6db-48b1-b8fa-4c3a71be0d9f.jpg?v=1761268281</image:loc>
      <image:title>*Imiprothrin, 100 µg/mL in Acetonitrile, CAS # 72963-72-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyriproxyfen</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_33781de7-7034-4855-924d-62359e896a95.jpg?v=1761268098</image:loc>
      <image:title>*Pyriproxyfen, Neat, CAS # 95737-68-1, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silicium-dioxide-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b88de86c-15d7-48cf-a76b-58bad8cae8a3.jpg?v=1761268102</image:loc>
      <image:title>*Silicium dioxide, Neat, CAS # 61790-53-2, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/s-methoprene-100-ug-ml-in-methanol-cas-65733-16-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_88e9adf8-6b30-4c1d-adf6-cffd8f9fedbb.jpg?v=1761268106</image:loc>
      <image:title>*S-Methoprene, 100 µg/mL in Methanol, CAS # 65733-16-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/esfenvalerate</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_36931fd6-4729-45fb-bb88-5275df5a25d8.jpg?v=1761268109</image:loc>
      <image:title>*Esfenvalerate, Neat, CAS # 66230-04-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/abamectin-cas-71751-41-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2a3551a5-b4f5-4ff2-ae2b-01bf0ada9a51.jpg?v=1761268113</image:loc>
      <image:title>*Abamectin, Neat, CAS # 71751-41-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetamiprid</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_63f0a59a-e0f7-426a-a85d-cf738d6e5459.jpg?v=1761268117</image:loc>
      <image:title>*Acetamiprid, Neat, CAS # 135410-20-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sumithrin-cas-26002-80-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4a322ef6-21b4-4af1-b79b-e9d848df8a66.jpg?v=1761268121</image:loc>
      <image:title>*Sumithrin, Neat, CAS # 26002-80-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allethrin</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a7466eb0-3eba-4570-a7f0-3ac0aa97d0dd.jpg?v=1761268124</image:loc>
      <image:title>*Allethrin, Neat, CAS # 584-79-2, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-bromosuccinimide-neat-bioc-240n-cas-128-08-5-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8cf2dd0b-2607-470a-86b9-3e1385505b8d.jpg?v=1761268128</image:loc>
      <image:title>*N-Bromosuccinimide, Neat, CAS # 128-08-5, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/l-tartaric-acid-neat-cas-87-69-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_10a6be90-724c-4338-ae60-89f85d27beac.jpg?v=1761268132</image:loc>
      <image:title>*L-Tartaric acid, Neat, CAS # 87-69-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cholecalciferol-neat-cas-67-97-0-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7797aa0c-ad90-4dda-bcd0-12c96c65e1d9.jpg?v=1761268136</image:loc>
      <image:title>*Cholecalciferol, Neat, CAS # 67-97-0, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/s-bioallethrin-neat-cas-28434-00-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a16ae2d0-710c-432f-85d0-b1b61fed7c9a.jpg?v=1761268139</image:loc>
      <image:title>*S-Bioallethrin, Neat, CAS # 28434-00-6, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiacloprid-neat-cas-111988-49-9-10-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_af6fca02-dfe2-490d-bfc7-2288a38b2e95.jpg?v=1761268143</image:loc>
      <image:title>*Thiacloprid, Neat, CAS # 111988-49-9, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lindane-neat-cas-58-89-9</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_35ca0143-227d-442f-a057-8926832a8d46.jpg?v=1761268147</image:loc>
      <image:title>*Lindane, Neat, CAS # 58-89-9, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dichlorobenzene-neat-cas-106-46-7-100-mg</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c7e578e2-dba5-4714-aa88-c76cbba6be62.jpg?v=1761268150</image:loc>
      <image:title>*1,4-Dichlorobenzene, Neat, CAS # 106-46-7, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetic-acid-neat-cas-64-19-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_97790e17-eb22-424b-afde-4e78cea2ca20.jpg?v=1761268154</image:loc>
      <image:title>*Acetic acid, Neat, CAS # 64-19-7, 1 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-d-lactose-monohydrate-neat-cas-5989-81-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a3c3876-0791-4996-8845-2c0d0843c8f9.jpg?v=1761268158</image:loc>
      <image:title>*a-D-Lactose monohydrate, Neat, CAS # 5989-81-1, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionic-acid-neat-cas-79-09-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9629b37-2e66-4ec6-8a17-255ba585fab1.jpg?v=1761268161</image:loc>
      <image:title>*Propionic acid, Neat, CAS # 79-09-4, 100 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3b87d1ce-0b0a-4284-ab91-015958bb140c.jpg?v=1761268166</image:loc>
      <image:title>*2-Bromophenol, 100 µg/mL in Toluene, CAS # 95-56-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-bromophenol-100-ug-ml-in-toluene-cas-591-20-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_97cdc56e-96c7-41bd-8dce-47bc61ad38d8.jpg?v=1761268169</image:loc>
      <image:title>*3-Bromophenol, 100 µg/mL in Toluene, CAS # 591-20-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-bromophenol-100-ug-ml-in-toluene-cas-106-41-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0ed0c031-8cdb-43a9-8dfd-6f57b7226ff8.jpg?v=1761268173</image:loc>
      <image:title>*4-Bromophenol, 100 µg/mL in Toluene, CAS # 106-41-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-dibromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fa17366a-3f6a-4463-aa94-dac7fcaf331a.jpg?v=1761268177</image:loc>
      <image:title>*2,3-Dibromophenol, 100 µg/mL in Toluene, CAS # 57383-80-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dibromophenol-100-ug-ml-in-toluene-cas-615-58-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3e0b7e92-8b2a-4794-b947-87bfe793263f.jpg?v=1761268181</image:loc>
      <image:title>*2,4-Dibromophenol, 100 µg/mL in Toluene, CAS # 615-58-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-5-dibromophenol-100-ug-ml-in-toluene-cas-28165-52-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3090302e-3734-435d-aa4f-6188ae997304.jpg?v=1761268185</image:loc>
      <image:title>*2,5-Dibromophenol, 100 µg/mL in Toluene, CAS # 28165-52-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dibromophenol-100-ug-ml-in-toluene-cas-608-33-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_252933ff-b008-482c-a333-a119a0065c26.jpg?v=1761268188</image:loc>
      <image:title>2,6-Dibromophenol, 100 µg/mL in Toluene, CAS # 608-33-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-dibromophenol-100-ug-ml-in-toluene-cas-615-56-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5ea2cab7-f8d8-42a4-9c20-fb9332006b3d.jpg?v=1761268192</image:loc>
      <image:title>*3,4-Dibromophenol, 100 µg/mL in Toluene, CAS # 615-56-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-5-dibromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d5ecbc75-5ccf-4082-b47a-bb7bffd306ea.jpg?v=1761268196</image:loc>
      <image:title>*3,5-Dibromophenol, 100 µg/mL in Toluene, CAS # 626-41-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentabromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_760b410c-0a0f-4f3f-b797-a6ce86153f0f.jpg?v=1761268200</image:loc>
      <image:title>*Pentabromophenol, 100 µg/mL in Toluene, CAS # 608-71-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-5-tetrabromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_03dbc63e-8016-42f7-90f7-98ca3747944a.jpg?v=1761268203</image:loc>
      <image:title>*2,3,4,5-Tetrabromophenol, 100 µg/mL in Toluene, CAS # 36313-15-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-6-tetrabromophenol-100-ug-ml-in-toluene-cas-14400-94-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_53796bc7-2cca-490a-a93a-1df42cd784da.jpg?v=1761268207</image:loc>
      <image:title>*2,3,4,6-Tetrabromophenol, 100 µg/mL in Toluene, CAS # 14400-94-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-tribromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_88a91b99-be00-4eb0-817b-93e65c89feca.jpg?v=1761268210</image:loc>
      <image:title>*2,3,4-Tribromophenol, 100 µg/mL in Toluene, CAS # 138507-65-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-6-tetrabromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ee2c3fff-be64-4050-954b-46cd4878fcb3.jpg?v=1761268214</image:loc>
      <image:title>*2,3,5,6-Tetrabromophenol, 100 µg/mL in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-tribromophenol-100-ug-ml-in-toluene-cas-57383-81-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_51b23cf9-27ba-432a-8f47-aa04f96c331c.jpg?v=1761268218</image:loc>
      <image:title>*2,3,5-Tribromophenol, 100 µg/mL in Toluene, CAS # 57383-81-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-6-tribromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dcfde82d-f660-4d63-8a48-b1c60606ef32.jpg?v=1761268222</image:loc>
      <image:title>*2,3,6-Tribromophenol, 100 µg/mL in Toluene, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-tribromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_81c1a1db-afc8-4a3e-b3cc-7b7ceb425880.jpg?v=1761268225</image:loc>
      <image:title>*2,4,5-Tribromophenol, 100 µg/mL in Toluene, CAS # 14401-61-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-tribromophenol-100-ug-ml-in-toluene-cas-118-79-6</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_65975721-965e-4839-9e29-4acbebd063cf.jpg?v=1761268229</image:loc>
      <image:title>*2,4,6-Tribromophenol, 100 µg/mL in Toluene, CAS # 118-79-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-5-tribromophenol-100-ug-ml-in-toluene</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b3ac2627-d6aa-4f17-84da-605e6a2aee4c.jpg?v=1761268233</image:loc>
      <image:title>*3,4,5-Tribromophenol, 100 µg/mL in Toluene, CAS # 116434-90-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-af-neat-cas-1478-61-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4e33b15b-ce8c-4078-8b66-ac3f100d5b41.jpg?v=1761268237</image:loc>
      <image:title>*Bisphenol AF, Neat, CAS # 1478-61-1, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-af-10-mg-ml-in-methanol-cas-1478-61-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a8b9cdfa-fddd-4a1d-b29e-295bd25bdbd0.jpg?v=1761268241</image:loc>
      <image:title>*Bisphenol AF, 10 mg/mL in Methanol, CAS # 1478-61-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-a-neat-cas-80-05-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_359640d4-6bdc-4def-92bb-e71d8d310262.jpg?v=1761268244</image:loc>
      <image:title>*Bisphenol A, Neat, CAS # 80-05-7, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-ap-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1104ab71-5d1d-41d5-955c-4ea8a6638795.jpg?v=1761268248</image:loc>
      <image:title>*Bisphenol AP, Neat, CAS # 1571-75-1, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-ap-10-mg-ml-in-methanol-cas-1571-75-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9410d5e3-44be-4b75-8cc8-0df1f742e941.jpg?v=1761268252</image:loc>
      <image:title>*Bisphenol AP, 10 mg/mL in Methanol, CAS # 1571-75-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-a-10-mg-ml-in-methanol-cas-80-05-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cd12cda2-f371-4567-aba3-522e8fc4e797.jpg?v=1761268256</image:loc>
      <image:title>*Bisphenol A, 10 mg/mL in Methanol, CAS # 80-05-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-b-cas-77-40-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_712205de-73f3-44d5-be85-7f1ce9d95e1a.jpg?v=1761268259</image:loc>
      <image:title>*Bisphenol B, Neat, CAS # 77-40-7, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-bp-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_13745de9-04b5-4480-8b09-1107f864740d.jpg?v=1761268263</image:loc>
      <image:title>*Bisphenol BP, Neat, CAS # 1844-01-5, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-bp-10-mg-ml-in-methanol-cas-1844-01-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f39a1561-82d9-4cdb-932d-3334eb76cd76.jpg?v=1761268267</image:loc>
      <image:title>*Bisphenol BP, 10 mg/mL in Methanol, CAS # 1844-01-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-b-10-mg-ml-in-methanol-cas-77-40-7</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f53f840d-d250-4f10-91ee-40a37b744ed9.jpg?v=1761268271</image:loc>
      <image:title>*Bisphenol B, 10 mg/mL in Methanol, CAS # 77-40-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-c-dichloride-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6b958ac4-dedd-4f98-9ae4-59b20fc8c0a7.jpg?v=1761268275</image:loc>
      <image:title>*Bisphenol C-dichloride, Neat, CAS # 14868-03-2, 20 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-c-dichloride-10-mg-ml-in-methanol-cas-14868-03-2</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_79c86c11-4820-413c-8bb0-3c3dbfc414f7.jpg?v=1761268279</image:loc>
      <image:title>*Bisphenol C-dichloride, 10 mg/mL in Methanol, CAS # 14868-03-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-c-neat-cas-79-97-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_881ea26b-0c9c-47f5-be49-19d669665b4b.jpg?v=1761268282</image:loc>
      <image:title>*Bisphenol C, Neat, CAS # 79-97-0, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-c-10-mg-ml-in-methanol-cas-79-97-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7a15e396-7810-4c8c-9f49-1337d25708b1.jpg?v=1761268288</image:loc>
      <image:title>*Bisphenol C, 10 mg/mL in Methanol, CAS # 79-97-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-e-neat-cas-2081-08-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f00f1d88-a87c-42ea-b21f-5cb1329a6b27.jpg?v=1761268292</image:loc>
      <image:title>*Bisphenol E, Neat, CAS # 2081-08-5, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-e-10-mg-ml-in-methanol-cas-2081-08-5</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b0b1e139-eccc-429a-beb9-6e5231a6d235.jpg?v=1761268295</image:loc>
      <image:title>*Bisphenol E, 10 mg/mL in Methanol, CAS # 2081-08-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-f-cas-620-92-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_39ac7cbd-f15f-4696-8f65-a780cfdcdc7a.jpg?v=1761268298</image:loc>
      <image:title>*Bisphenol F, Neat, CAS # 620-92-8, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-f-10-mg-ml-in-methanol-cas-620-92-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7f9cbcee-48f1-4883-9585-82f57a84277b.jpg?v=1761268302</image:loc>
      <image:title>*Bisphenol F, 10 mg/mL in Methanol, CAS # 620-92-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-g-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c6d7c47-187a-468a-9af9-5907df18104e.jpg?v=1761268305</image:loc>
      <image:title>*Bisphenol G, Neat, CAS # 127-54-8, 20 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-g-10-mg-ml-in-methanol-cas-127-54-8</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_09abb1d8-2cb2-48d3-a23d-a3aba5ad79ee.jpg?v=1761268309</image:loc>
      <image:title>*Bisphenol G, 10 mg/mL in Methanol, CAS # 127-54-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-m-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5b85bd00-4347-4a63-9221-f0004a1a765a.jpg?v=1761268312</image:loc>
      <image:title>*Bisphenol M, Neat, CAS # 13595-25-0, 20 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-m-10-mg-ml-in-methanol-cas-13595-25-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_95478f73-4310-48f2-9ea0-6d3a7699a7b6.jpg?v=1761268316</image:loc>
      <image:title>*Bisphenol M, 10 mg/mL in Methanol, CAS # 13595-25-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-ph-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_de189278-1f4f-42a2-ac2d-2d90d53fd2dd.jpg?v=1761268319</image:loc>
      <image:title>*Bisphenol PH, Neat, CAS # 24038-68-4, 20 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-ph-10-mg-ml-in-methanol-cas-24038-68-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_94607150-8dab-4f5a-a6cc-8795fecbaa98.jpg?v=1761268323</image:loc>
      <image:title>*Bisphenol PH, 10 mg/mL in Methanol, CAS # 24038-68-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-p-neat-cas-2167-51-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_683edba5-c2a3-4904-b0ad-45bc25eb1bbb.jpg?v=1761268327</image:loc>
      <image:title>*Bisphenol P, Neat, CAS # 2167-51-3, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-p-10-mg-ml-in-methanol-cas-2167-51-3</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_981eb17d-d7c7-4157-87bf-a8d2d661ca18.jpg?v=1761268330</image:loc>
      <image:title>*Bisphenol P, 10 mg/mL in Methanol, CAS # 2167-51-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-s-neat-cas-80-09-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ce928850-31c3-43b0-932a-85a8fea29a52.jpg?v=1761268333</image:loc>
      <image:title>*Bisphenol S, Neat, CAS # 80-09-1, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-s-10-mg-ml-in-methanol-cas-80-09-1</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ab6a2bc2-6484-42ec-a0db-c1a576506e24.jpg?v=1761268337</image:loc>
      <image:title>*Bisphenol S, 10 mg/mL in Methanol, CAS # 80-09-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-tmc</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_0fe1d794-aed5-410a-aac5-fc604c08396c.jpg?v=1761268340</image:loc>
      <image:title>*Bisphenol TMC, Neat, CAS # 129188-99-4, 10 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-tmc-10-mg-ml-in-methanol-cas-129188-99-4</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ec4f8f7c-1097-4638-a231-b17f526b8f55.jpg?v=1761268344</image:loc>
      <image:title>*Bisphenol TMC, 10 mg/mL in Methanol, CAS # 129188-99-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-z-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c1c8fcab-825e-4926-8392-39eb10d6bb4a.jpg?v=1761268347</image:loc>
      <image:title>*Bisphenol Z, Neat, CAS # 843-55-0, 50 mg</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-z-10-mg-ml-in-methanol-cas-843-55-0</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2d843e28-2862-400d-b3dd-d1bdbda4bd88.jpg?v=1761268351</image:loc>
      <image:title>*Bisphenol Z, 10 mg/mL in Methanol, CAS # 843-55-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/clp-semi-volatiles-benzidine-and-3-3-dichlorobenzidine-2000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e5825bad-3217-48f0-81c7-57c2f2429bb5.png?v=1752923298</image:loc>
      <image:title>*CLP Semi-Volatiles - Benzidine and 3,3&apos;-Dichlorobenzidine, 2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/clp-semi-volatile-internal-standard-4000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1c7d2f67-f060-405c-9d4d-015e57c3ca97.png?v=1752923303</image:loc>
      <image:title>*CLP Semi-Volatile Internal Standard, 6 Components, 4000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/clp-semi-volatile-internal-standard-4000-ug-ml-in-methylene-chloride-5-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_38e49807-4d42-44c4-b00d-853ab6a269a2.png?v=1752923307</image:loc>
      <image:title>*CLP Semi-Volatile Internal Standard, 6 Components, 4000 µg/mL in Methylene Chloride, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/clp-semi-volatiles-pah-standard-16-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e92e2b02-6df3-4e10-b401-854dbba43a0c.png?v=1752923311</image:loc>
      <image:title>*CLP Semi-Volatiles - PAH Standard, 16 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-603-8030a-analytes-1000-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_01ed397e-921a-436e-b79a-da45eee1cf3a.png?v=1752923315</image:loc>
      <image:title>*EPA Method 603/8030A - Analytes, 2 Components, 1000 µg/mL in Water, 1mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/method-616-standard-4-components-1000-ug-ml-in-mtbe-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0e62a478-728e-42d7-8402-de9047dab192.png?v=1752923319</image:loc>
      <image:title>*Method 616 Standard, 4 Components, 1000 µg/mL in MTBE, 1mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/semi-volatiles-spiking-standard-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ba67a539-8779-4a10-835d-8b2fb5df8fba.png?v=1752923323</image:loc>
      <image:title>* Semi-Volatiles Spiking Standard, 13 Components, 2000 µg/mL in Methylene Chloride, 1mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-606-phthalates-6-components-2000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d6e5148f-421a-4f5e-90c0-2dfe3b2816b9.png?v=1752923327</image:loc>
      <image:title>*EPA Method 606 - Phthalates, 6 Components,  2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexadecane-extraction-volatiles-btex-6-components-2000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ae525f94-64ff-42ec-b987-e374a55e59cc.png?v=1752923331</image:loc>
      <image:title>*Hexadecane Extraction Volatiles - BTEX, 6 Components 2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/gpc-calibration-mix-1-5-components-varied-ug-ml-in-methylene-chloride-5-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_85580eb6-087d-421d-828a-e18bcd9d9393.png?v=1752923335</image:loc>
      <image:title>* GPC Calibration Mix #1, 5 Components, Varied µg/mL in Methylene Chloride, 5 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/base-neutral-acid-surrogate-standard-4000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_bdd0151d-8183-4911-b37c-80d823994c7b.png?v=1752923343</image:loc>
      <image:title>* Base/Neutral &amp; Acid Surrogate Standard, 6 Components, 4000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-502-2-524-2-liquids-54-components-200-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_19a8fc88-d5df-40c5-8025-94f2cb6bc880.png?v=1752923346</image:loc>
      <image:title>*EPA Method 502.2/524.2 - Liquids, 54 Components, 200 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-502-2-524-2-601-gases-6-components-200-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_408006cc-3686-4be0-9f86-0fae7b5da69c.png?v=1752923350</image:loc>
      <image:title>*EPA Method 502.2/524.2/601 - Gases, 6 Components, 200 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-508a-dcb-stock-solution-5000-ug-ml-in-toluene-cas-2051-24-3-2-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_edc63fde-5486-4903-970c-6a1c8ebb0f53.png?v=1752923354</image:loc>
      <image:title>*EPA Method 508A DCB Stock Solution, 5000 µg/mL in Toluene , CAS # 2051-24-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-515-1-surrogate-standard-100-ug-ml-in-mtbe-cas-55954-23-9-1ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ca8d7614-2b7b-449e-93f5-6959399ec23b.png?v=1752923358</image:loc>
      <image:title>*EPA Method 515.1 Surrogate Standard, 100 µg/mL in MTBE, CAS # 55954-23-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-502-524-high-concentrations-voc-mix-1-6-components-2000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5316064e-c52b-49be-8ae8-8db7cff26a68.png?v=1752923362</image:loc>
      <image:title>*EPA Method 502/524 High Conc VOC Mix #1, 6 Components, 2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aldicarb-100-ug-ml-in-methanol-cas-116-06-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6928ca90-2c9f-4e8b-95ab-286ad3ad4993.png?v=1752923366</image:loc>
      <image:title>*Aldicarb, 100 µg/mL in Methanol, CAS # 116-06-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzene-2000-ug-ml-in-methanol-cas-108-90-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_43df2091-4565-4bf3-ba43-5fd199d5ff86.png?v=1752923370</image:loc>
      <image:title>*Chlorobenzene, 2000 µg/mL in Methanol, CAS # 108-90-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diuron-100-ug-ml-in-methanol-cas-330-54-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_779b2302-9590-4907-a760-46d79132e65a.png?v=1752923374</image:loc>
      <image:title>*Diuron, 100 µg/mL in Methanol, CAS # 330-54-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichloroethene-2000-ug-ml-in-methanol-cas-79-01-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a5e17911-f245-45cb-85b9-761e38809864.png?v=1752923378</image:loc>
      <image:title>*Trichloroethene, 2000 µg/mL in Methanol, CAS # 79-01-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-502-524-volatile-standard-54-components-2000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3a887a29-b4c9-4318-a901-224c169c83fa.png?v=1752923382</image:loc>
      <image:title>*EPA Method 502/524 Volatile Standard, 54 Components, 2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-549-1-analytes-2-components-1000-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_32af040e-2ea7-4d58-9a7b-b589685a4af2.png?v=1752923386</image:loc>
      <image:title>EPA Method 549.1 Analytes, 2 Components, 1000 µg/mL in Water, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichlorobenzene-20-mg-ml-in-methanol-cas-87-61-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_961862a0-71a6-4806-9971-a9977bdafd94.png?v=1752923395</image:loc>
      <image:title>*1,2,3-Trichlorobenzene, 20 mg/mL in Methanol, CAS # 87-61-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-trichlorobenzene-20-mg-ml-in-methanol-cas-120-82-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_316f69b3-9660-420f-9df3-515866a80df6.png?v=1752923399</image:loc>
      <image:title>*1,2,4-Trichlorobenzene, 20 mg/mL in Methanol, CAS # 120-82-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorodifluoromethane-2000-ug-ml-in-methanol-cas-75-71-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b5e0a1ba-b579-4e28-8f47-73d44a7c0424.png?v=1752923403</image:loc>
      <image:title>*Dichlorodifluoromethane, 2000 µg/mL in Methanol, CAS # 75-71-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichlorofluoromethane-2000-ug-ml-in-methanol-cas-75-69-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_377dcd7c-c802-42ca-a32f-18b8369d987b.png?v=1752923406</image:loc>
      <image:title>*Trichlorofluoromethane, 2000 µg/mL in Methanol, CAS # 75-69-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-pentane-20-mg-ml-in-methanol-cas-109-66-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1eb82132-3fc3-41fb-958f-00d341b96a59.png?v=1752923410</image:loc>
      <image:title>*N-Pentane, 20 mg/mL In Methanol, CAS # 109-66-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-methylnaphthalene-20-mg-ml-in-methanol-cas-90-12-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_01c415a7-0f1d-41b6-9678-29fc3d95278d.png?v=1752923414</image:loc>
      <image:title>*1-Methylnaphthalene, 20 mg/mL in Methanol, CAS # 90-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-heptane-20-mg-ml-in-methanol-cas-142-82-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_df14c116-c336-4ceb-887f-5a75a75be923.png?v=1752923418</image:loc>
      <image:title>*n-Heptane, 20 mg/mL In Methanol, CAS # 142-82-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/epa-method-524-2-volatiles-78-components-2000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e86d2238-51c5-468f-b938-b0a2a033648c.png?v=1752923421</image:loc>
      <image:title>*EPA Method 524.2 Volatiles, 78 Components, 2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/furan-20-mg-ml-in-methanol-cas-110-00-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d35d69b4-7d9d-47dd-a902-5a74a175f018.png?v=1752923425</image:loc>
      <image:title>*Furan, 20 mg/mL In Methanol, CAS # 110-00-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butyraldehyde-20-mg-ml-in-acetonitrile-cas-123-72-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_cdb2c35d-0903-4fab-b349-22a0e13c3f3e.png?v=1752923434</image:loc>
      <image:title>*n-Butyraldehyde, 20 mg/mL in Acetonitrile, CAS # 123-72-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethanedial-20-mg-ml-in-water-cas-107-22-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_35509d94-20ff-4659-8cda-4d3b4e46febc.png?v=1752923438</image:loc>
      <image:title>*Ethanedial, 20 mg/mL in Water, CAS # 107-22-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyruvic-aldehyde-20-mg-ml-in-acetonitrile-cas-78-98-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1f05ab76-5c03-43fc-b436-0d577a1ef7ba.png?v=1752923441</image:loc>
      <image:title>*Pyruvic Aldehyde, 20 mg/mL in Acetonitrile, CAS # 78-98-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-hexadecane-20-mg-ml-in-methanol-cas-544-76-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_22b4ff48-1dde-4902-a821-403b1243c3c4.png?v=1752923445</image:loc>
      <image:title>*n-Hexadecane, 20 mg/mL in Methanol, CAS # 544-76-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-nitropropane-20-mg-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9a85d521-1366-4d2b-9e03-4b63a8483403.png?v=1752923450</image:loc>
      <image:title>*2-Nitropropane, 20 mg/mL In Methanol, CAS # 79-46-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-difluorotetrachloroethane-20-mg-ml-in-methanol-cas-76-12-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7f44ad67-eca3-4a47-9821-11581db0b9dd.png?v=1752923454</image:loc>
      <image:title>*1,2-Difluorotetrachloroethane, 20 mg/mL in Methanol, CAS # 76-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoprene-20-mg-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_387a1bfc-cf75-4f9b-b376-d61f2e7d9f07.png?v=1752923458</image:loc>
      <image:title>*Isoprene, 20 mg/mL in Methanol, CAS # 78-79-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorodifluoromethane-2000-ug-ml-in-methanol-cas-75-45-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_15f760d7-6c7c-4e6f-8ce5-02ffda8906f4.png?v=1752923462</image:loc>
      <image:title>*Chlorodifluoromethane, 2000 µg/mL in Methanol, CAS # 75-45-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butane-2000-ug-ml-in-dmso-cas-106-97-8-2-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:caption></image:caption>
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    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7794da98-064f-4138-bed6-709f1f150d4c.png?v=1752923323</image:loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_27c40dac-6eb7-4dd1-b978-904c185bc6fa.png?v=1752923327</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e2d3918a-8c4d-4d3d-8cf2-8de5f03dbbf5.png?v=1752923331</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e8a63928-378a-408b-bf08-0c3632119a13.png?v=1752923335</image:loc>
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      <image:caption></image:caption>
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    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_27b298c5-f876-49fe-a6f8-fb3e821fd2cb.png?v=1752923339</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8368b1d2-b65f-4e88-b84f-354c757f3ee7.png?v=1752923343</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f59a5c61-2592-40b7-a9c7-783a3e6380b5.png?v=1752923347</image:loc>
      <image:title>*CWA Volatiles in Non-Potable Water, Varied conc. in Methanol, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c4750f53-eefa-4983-b4ba-b719c3a59e8d.png?v=1752923351</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1c20490b-7a49-41cc-b0fc-e9f4dc7b7889.png?v=1752923359</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_985d0f72-40ef-452d-8a39-11962ba22a54.png?v=1752923362</image:loc>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3fe98c4e-a8e0-4c39-b527-40a949ffb3f6.png?v=1752923366</image:loc>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f2a327b5-151a-4235-8faa-19ec96cb98de.png?v=1752923374</image:loc>
      <image:title>*CWA Ketones, Varied conc. in Methanol, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/quick-turn-around-non-study-double-blinded-pt-samples-cwa-btex-mtbe-8-components-varied-concentrations-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ba89e38a-8313-43ec-8be5-2692b12b7b5b.png?v=1752923400</image:loc>
      <image:title>*Quick Turn-Around Non-Study Double Blinded PT Samples, CWA BTEX &amp; MTBE, 8 Components, Varied Concentrations in Methanol</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/rcra-pahs-22-components-varied-concentrations-ug-kg-in-soil-10-gm</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3054b49c-0245-4b56-b855-087c6e810af8.png?v=1752923404</image:loc>
      <image:title>*RCRA PAHs, 22 Components, Varied Concentrations µg/kg in Soil, 10 gm</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/internal-qc-practice-pt-with-answers-rcra-pahs-22-components-varied-concentrations-ug-kg-in-soil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_13894c60-10f6-4175-a8d8-46ab636ac916.png?v=1752923409</image:loc>
      <image:title>*Internal QC Practice PT with Answers, RCRA PAHs, 22 Components, Varied Concentrations µg/kg in Soil</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/quick-turn-around-non-study-double-blinded-pt-samples-rcra-pahs-22-components-varied-concentrations-ug-kg-in-soil</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_cd788afe-539e-419e-8e3c-1974b69764e7.png?v=1752923412</image:loc>
      <image:title>*Quick Turn-Around Non-Study Double Blinded PT Samples, RCRA PAHs, 22 Components, Varied Concentrations µg/kg in Soil</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/organic-drinking-water-kit-set-of-24-ampules</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_462bea7d-0d44-43e7-a18f-6514caa81e7a.png?v=1752923416</image:loc>
      <image:title>*Organic Drinking Water Kit, Set of 24 Ampules</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/rcra-soil-kit-organics-metals-set-of-9-ampules</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_9e1a9123-f37f-4633-b174-790cfb208a51.png?v=1752923420</image:loc>
      <image:title>*RCRA Soil Kit, Organics &amp; Metals, Set of 9 Ampules</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-mib-geosmin-external-accreditation-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_188f4e61-848c-4afd-97ae-724470febbac.png?v=1752923424</image:loc>
      <image:title>*2-MIB &amp; Geosmin (External Accreditation Pt)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-mib-geosmin-formal-pt-study-86-april-15</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_862e088e-fe0f-4ba5-9231-16d15fa9ddf9.png?v=1752923429</image:loc>
      <image:title>*2-MIB &amp; Geosmin, Formal PT Study 86, April 15</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-mib-geosmin-formal-pt-study-88-october-15</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_07c60bca-b228-4ce3-8c94-2386ba693362.png?v=1752923432</image:loc>
      <image:title>*2-MIB &amp; Geosmin, Formal PT Study 88, October 15</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-mib-geosmin-internal-practice-qc-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a5e966f6-81a4-45e9-a540-d93803b32bfa.png?v=1752923436</image:loc>
      <image:title>*2-MIB &amp; Geosmin (Internal Practice QC PT)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-mib-geosmin-quick-turn-around-april-15</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fd54191f-23c0-4bf5-9f00-480475153ae7.png?v=1752923442</image:loc>
      <image:title>*2-MIB &amp; Geosmin, Quick Turn Around, April 15</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/ws-nitrosamines-internal-practice-pt-8-components-varied-ng-l-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c5928c92-bf42-4ddc-aab9-0daf2a1aaf9f.png?v=1752923446</image:loc>
      <image:title>*WS Nitrosamines Internal Practice PT, 8 Components, Varied ng/L in Methanol</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ws-nitrosamines-quick-turnaround-proficiency-testing-8-components-varied-conc-ng-l-in-methanol</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_024e76c6-48b8-4132-b273-cf9a913047c3.png?v=1752923449</image:loc>
      <image:title>*WS Nitrosamines Quick Turnaround Proficiency Testing, 8 Components, Varied conc. ng/L in Methanol</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ca-cat-i-residual-solvents-pt-in-hemp-oil-matrix-5-components-varied-ug-g-in-hemp-oil-internal-qc-practice-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e0c2e1a8-6c0c-4a7f-a234-d9692a439d90.png?v=1752923453</image:loc>
      <image:title>*CA Cat I Residual Solvents PT in Hemp Oil Matrix, 5 Components, Varied µg/g in Hemp Oil, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/oar-residual-solvents-pt-in-hemp-oil-34-components-varied-ug-g-internal-qc-practice-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a34b71ec-2fc5-4522-983a-418f39d3f33c.png?v=1752923457</image:loc>
      <image:title>*OAR Residual Solvents PT in Hemp Oil, 34 Components, Varied µg/g, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-d5-200-ug-ml-in-methylene-chloride-cas-4165-61-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2717b354-5a20-44f0-89f6-ebccea778920.png?v=1752923461</image:loc>
      <image:title>*Aniline-d5, 200 µg/mL in Methylene Chloride, CAS # 4165-61-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzidine-5000-ug-ml-in-methylene-chloride-cas-92-87-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ec528a4f-a7e2-4b87-9e4e-fb58b60e97c4.png?v=1752923465</image:loc>
      <image:title>*Benzidine, 5000 µg/mL in Methylene Chloride, CAS # 92-87-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cod-calibration-standard-1000-ug-o2-ml-in-water-chemical-oxygen-demand-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4c9996cd-132a-4cd6-a8d6-51d05f3ccf92.png?v=1752923475</image:loc>
      <image:title>*COD Calibration Standard, 1000 µg O2 / mL, in Water (Chemical Oxygen Demand), CAS # 877-24-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ic-anion-custom-mix-7-components-varied-ug-ml-in-water-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c67b5147-8b28-41bf-bcaf-e27cbca9d8d5.png?v=1752923479</image:loc>
      <image:title>*IC Anion Custom Mix, 7 Components, Varied µg/mL in Water,  500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-400-ntu-in-astm-type-1-water-cas-9003-70-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_133e57e9-6724-4bdc-bfec-f90e87ab1e7d.png?v=1752923483</image:loc>
      <image:title>*Turbidity Standard (400 NTU) in ASTM Type 1 Water, CAS # 9003-70-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-100-ntu-in-astm-type-1-water-cas-9003-70-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_41469c3d-540e-49b1-94aa-fbfb524feaae.png?v=1752923487</image:loc>
      <image:title>*Turbidity Standard (100 NTU) in ASTM Type 1 Water, CAS # 9003-70-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ammonia-as-n-10-ug-ml-in-water-cas-12125-02-9-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_40225d84-e486-40b9-8365-87408db908a7.png?v=1752923491</image:loc>
      <image:title>*Ammonia as N, 10 µg/mL in Water, CAS # 12125-02-9, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-arsenate-dibasic-heptahydrate-as-cas-10048-95-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5e1559c6-61cb-4910-b15d-00dfd743cc03.png?v=1752923495</image:loc>
      <image:title>*Sodium arsenate dibasic heptahydrate (As), 1000 µg/mL in Water, CAS # 10048-95-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-m-potassium-chloride-kcl-solution-3-molar-in-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_8ac7282f-68dc-4a5b-bd1e-ae0132cd24e2.png?v=1752923490</image:loc>
      <image:title>*3 M Potassium Chloride (KCl) Solution, 3 Molar In Water (22.379 gms / 100 mLs ASTM Type 1 Water), CAS # 7447-40-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/medical-marijuana-heavy-metals-calibration-in-5-hno3-water-100-ug-ml-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_40dce850-8d3a-48a0-8ada-25096428f6a8.png?v=1752923494</image:loc>
      <image:title>*Hemp Heavy Metals Calibration, 4 Components, 100 µg/mL in 5% HNO3 / Water, 4x 25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/total-kjeldahl-nitrogen-as-n-50-mg-l-in-water-cas-56-40-6-475-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_89922570-2034-4d92-a76c-5891151fbc2e.png?v=1752923498</image:loc>
      <image:title>*Total Kjeldahl Nitrogen as N, 50 mg/L in Water, CAS # 56-40-6, 475 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-2-0-ntu-in-astm-type-1-water-cas-7732-18-5-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_76311533-25e8-4c3f-b426-17b036d64216.png?v=1752923502</image:loc>
      <image:title>*Turbidity (2.0 NTU), 2.0 NTU in ASTM Type 1 Water, CAS # 7732-18-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-20-ntu-in-astm-type-1-water-cas-7732-18-5-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6f73bc78-3f04-41d3-9092-7d5064afd7e1.png?v=1752923506</image:loc>
      <image:title>*Turbidity Standard (20 NTU) in ASTM Type 1 Water, CAS # 7732-18-5, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silica-sio2-2-mg-l-in-0-5-naoh-water-cas-1343-98-2-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_1c013a65-077c-4677-b929-e4ce31701c52.png?v=1752923510</image:loc>
      <image:title>*Silica (SiO2), 	2 mg/L in 0.5% NaOH / Water, CAS # 1343-98-2, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-1000-ntu-in-astm-type-1-water-cas-9003-70-7-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f5f8c5f6-1468-48d1-b0c4-e4e568b5967e.png?v=1752923514</image:loc>
      <image:title>*Turbidity Standard (1000 NTU) in ASTM Type 1 Water, CAS # 9003-70-7, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfide-s-0-1-ug-ml-in-water-cas-1313-84-4-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>*Sulfide, 0.1 µg/mL in Water, CAS # 1313-84-4, 20 mL</image:title>
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    <loc>https://chromspec.com/products/sulfide-s-0-5-ug-ml-in-water-cas-1313-84-4-20-ml</loc>
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    <changefreq>daily</changefreq>
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    <loc>https://chromspec.com/products/sulfide-s-1-0-ug-ml-in-water-cas-1313-84-4-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_2166922f-6c16-4509-85c9-83dea10e3666.png?v=1752923531</image:loc>
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  <url>
    <loc>https://chromspec.com/products/sulfide-s-2-0-ug-ml-in-water-cas-1313-84-4-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_3837fb44-f514-49fd-9f13-6cae4ebb272d.png?v=1752923535</image:loc>
      <image:title>*Sulfide, 2.0 µg/mL in Water, CAS # 1313-84-4, 20 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/icp-multi-element-test-solution-varied-concentration-in-0-2-hno3-water-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_41c2ea73-4e72-4c20-bfef-430d281a05ab.png?v=1752923540</image:loc>
      <image:title>*ICP Multi-Element Test Solution, 10 Components, Varied µg/mLin 0.2%-HNO3 / Water, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fuel-oil-diesel-low-sulfur-grade-20-mg-ml-in-methylene-cloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6ae68038-260b-4b18-9406-29516b97d662.png?v=1752923544</image:loc>
      <image:title>*#2 Fuel Oil Diesel, Low Sulfur Grade, 20 mg/mL In Methylene Cloride, CAS # 68334-30-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydraulic-oil-20-mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_be718faf-9079-4ac1-b317-283efdff2336.png?v=1752923548</image:loc>
      <image:title>*Hydraulic Oil, 20 mg/mL In Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lacquer-thinner-20-mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e5412874-4e4e-4866-af5c-d62451fca0e9.png?v=1752923552</image:loc>
      <image:title>*Lacquer Thinner, 20 mg/mL In Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fuel-oil-diesel-100mg-ml-in-methylene-chloride-low-sulphur-grade-cas-68334-30-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6520887b-863d-4b35-9f64-4e773e924cd5.png?v=1752923556</image:loc>
      <image:title>*#2 Fuel Oil Diesel, 100mg/mL In Methylene Chloride, Low Sulphur Grade, CAS # 68334-30-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fuel-oil-diesel-low-sulphur-grade-100-mg-ml-in-methylene-chloride-cas-68334-30-5-10-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0f520324-092f-4418-a5b8-8f0b2016e215.png?v=1752923559</image:loc>
      <image:title>*#2 Fuel Oil Diesel, Low Sulphur Grade, 100 mg/mL in Methylene Chloride, CAS # 68334-30-5, 10 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mineral-spirits-20-mg-ml-in-methylene-chloride-cas-8020-83-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1124856f-4c18-446b-ad7f-43a1041150d2.png?v=1752923563</image:loc>
      <image:title>*Mineral Spirits, 20 mg/mL In Methylene Chloride, CAS # 8020-83-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/naphtha-20-mg-ml-in-methylene-chloride-cas-8030-30-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1618abf5-7242-4937-9694-a80c253c18f9.png?v=1752923567</image:loc>
      <image:title>*Naphtha, 20 mg/mL In Methylene Chloride, CAS # 8030-30-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fuel-oil-home-heating-20-mg-ml-in-methylene-chloride-low-sulphur-grade-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7768590c-2fda-4cb1-9afa-46cab2057272.png?v=1752923571</image:loc>
      <image:title>*#2 Fuel Oil (Home Heating), 20 mg/mL In Methylene Chloride, Low Sulphur Grade, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kerosene-k2-20-mg-ml-in-methylene-chloride-cas-8008-20-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e0050385-aad8-4724-bb2e-cdea93b26c3b.png?v=1752923574</image:loc>
      <image:title>*Kerosene K2, 20 mg/mL In Methylene Chloride, CAS # 8008-20-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turpentine-20-mg-ml-in-methylene-chloride-cas-8006-64-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fe1de770-5433-4842-bd40-e9112ba0a76e.png?v=1752923578</image:loc>
      <image:title>*Turpentine, 20 mg/mL In Methylene Chloride, CAS # 8006-64-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/stoddard-solvent-20-mg-ml-in-methylene-chloride-cas-8052-41-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f981d7a0-710a-4b21-b35c-29e44281a433.png?v=1752923582</image:loc>
      <image:title>*Stoddard Solvent, 20 mg/mL In Methylene Chloride, CAS # 8052-41-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sae-10w-40-motor-oil-20-mg-ml-in-methylene-chloride-cas-64742-65-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_7648acb8-974e-4ad0-9907-f0058afad293.png?v=1752923585</image:loc>
      <image:title>*SAE 10W-40 Motor Oil, 20 mg/mL In Methylene Chloride, CAS # 64742-65-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sae-10w-40-motor-oil-20-mg-ml-in-methylene-chloride-cas-64742-65-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_48b26940-1367-44cb-aa63-54fb81ac0708.png?v=1752923589</image:loc>
      <image:title>*SAE 10W-40 Motor Oil, 20 mg/mL In Methylene Chloride, CAS # 64742-65-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sae-40-motor-oil-20-mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6e77158d-137a-4170-b146-dde9434648b7.png?v=1752923593</image:loc>
      <image:title>*SAE 40 Motor Oil, 20 mg/mL In Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sae-50-motor-oil-20-mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a3e8ec88-9fae-4a4f-ad1f-62de9ea0baf9.png?v=1752923597</image:loc>
      <image:title>*SAE 50 Motor Oil, 20 mg/mL In Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/column-evaluation-mix-astm-d-5134-7-components-varied-wt-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3279c56b-14a5-4db6-9576-7df7f02dc8b9.png?v=1752923600</image:loc>
      <image:title>*Column Evaluation Mix ASTM D-5134, 7 Components, Varied Wt%, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-fuel-oil-diesel-50-weathered-20-mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_60a86a7f-c55d-45fc-8afb-593dafeb303b.png?v=1752923604</image:loc>
      <image:title>*#2 Fuel Oil (Diesel) - 50% Weathered, 20 mg/mL In Methylene Chloride, CAS # 68334-30-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sae-10w-30-motor-oil-20-mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fc552a03-b96c-4642-bbac-442ed741c5b8.png?v=1752923608</image:loc>
      <image:title>*SAE 10W-30 Motor Oil, 20 mg/mL In Methylene Chloride, CAS # 64742-62-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sae-30-motor-oil-100mg-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_eab36e74-a471-4733-91dc-223779ea9c13.png?v=1752923612</image:loc>
      <image:title>*SAE 30 Motor Oil, 100mg/mL In Methylene Chloride, CAS # 64742-62-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/crude-oil-duri-100mg-ml-in-methylene-chloride-cas-8002-05-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7d00ecd1-dcb7-41ea-b93b-6786bd3d022d.png?v=1752923616</image:loc>
      <image:title>*Crude Oil, Duri, 100mg/mL In Methylene Chloride, CAS # 8002-05-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/crude-oil-mina-100mg-ml-in-methylene-chloride-cas-8002-05-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f03a51d3-48ea-4e64-ba1e-c5effd75b171.png?v=1752923620</image:loc>
      <image:title>*Crude Oil, Mina, 100mg/mL In Methylene Chloride, CAS # 8002-05-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/crude-oil-ans-100mg-ml-in-methylene-chloride-cas-8002-05-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_91909c23-dec0-489f-bc5e-a6b2eb71f1bf.png?v=1752923624</image:loc>
      <image:title>*Crude Oil, ANS, 100mg/mL In Methylene Chloride, CAS # 8002-05-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/supplemental-icp-mix-2-5-components-100-ug-ml-in-2-hcl-water-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_a9a83058-202c-41c6-b8c5-2018063c68d6.png?v=1752923628</image:loc>
      <image:title>*Supplemental ICP Mix #2, 5 Components, 100 µg/mL in 2% HCl / Water, 4 x 25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/antimony-sb-1000-ug-ml-in-5-hno3-0-1-hf-cas-7440-36-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4d7f8157-7340-4dbb-93b3-a7f963fd7694.png?v=1752923632</image:loc>
      <image:title>*Antimony (Sb), 1000 µg/mL in 5% HNO3 / 0.1% HF, CAS # 7440-36-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cod-calibration-standard-potassium-hydrogen-phthalate-200-mg-o2-l-in-water-cas-877-24-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_6e05fb41-4607-4ffa-baea-bb01f0a4d143.png?v=1752923636</image:loc>
      <image:title>*COD Calibration Standard, Potassium Hydrogen Phthalate, 200 mg O2 / L in Water, CAS # 877-24-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-0-0-ntu-in-astm-type-1-water-cas-9003-70-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_02ac1c11-ff11-4d86-bc04-a15ef337188a.png?v=1752923641</image:loc>
      <image:title>*Turbidity Standard (0.0 NTU) in ASTM Type 1 Water, CAS # 9003-70-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/drinking-water-standards-kit-includes-primary-and-secondary-drinking-water-metals-2-x-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_8b80682f-5ac2-46b3-8286-e568b04439bc.png?v=1752923644</image:loc>
      <image:title>*Drinking Water Standards Kit, 2 Components, Varied µg/mL in 2%-HNO3/Water, 2 x 100mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/primary-drinking-water-metals-8-components-varied-ug-ml-in-2-hno3-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_c8d0ac29-746f-4b3c-8d9f-864beeaf7aaa.png?v=1752923648</image:loc>
      <image:title>*Primary Drinking Water Metals, 8 Components, Varied µg/mL in 2%-HNO3 / Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/secondary-drinking-water-metals-4-components-varied-ug-ml-in-2-hno3-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_cd1e5786-bf33-4aa6-84c5-a8149070f6b9.png?v=1752923652</image:loc>
      <image:title>*Secondary Drinking Water Metals, 4 Components, Varied µg/mL in 2%-HNO3 / Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-solution-1-10-ug-ml-in-5-hno3-water-100ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_8ec286a4-f88b-4cee-9868-1dabcc6407a8.png?v=1752923656</image:loc>
      <image:title>*Multi-Element Solution 1, 29 Components, 10 µg/mL in 5%-HNO3 / Water, 100mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/water-activity-0-250-aw-in-water-humidity-13-41mol-licl-kg-h2o-cas-7447-41-8-3-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_53ca392d-433e-4fe9-9be7-8f064339fbd4.png?v=1752923659</image:loc>
      <image:title>*Water Activity - 0.250 AW in Water, (Humidity) 13.41mol LiCl / kg H2O, CAS # 7447-41-8, 3 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/water-activity-0-500-aw-in-water-humidity-8-57mol-licl-kg-h2o-cas-7447-41-8-3-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2bf5cc93-58c5-4b52-b64f-9211fdfc1d94.png?v=1752923663</image:loc>
      <image:title>*Water Activity - 0.500 AW in Water, (Humidity) 8.57mol LiCl / kg H2O, CAS # 7447-41-8, 3 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/water-activity-0-760-aw-in-water-humidity-6-00mol-nacl-kg-h2-cas-7647-14-5-3-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f946ab7f-72bf-4164-bdb4-6368c68df7c4.png?v=1752923667</image:loc>
      <image:title>*Water Activity - 0.760 AW in Water, (Humidity) 6.00mol NaCl / kg H2, CAS # 7647-14-5, 3 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-0-0-ntu-in-astm-type-1-water-cas-9003-70-7-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_db82293c-5f9d-484b-944e-3e6702a1ed09.png?v=1752923671</image:loc>
      <image:title>*Turbidity Standard (0.0 NTU) in ASTM Type 1 Water, CAS # 9003-70-7, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-solution-1-10-ug-ml-in-5-hno3-water-500ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_fab82bb6-d807-49ff-a49d-2e7ded58cc49.png?v=1752923675</image:loc>
      <image:title>*Multi-Element Solution 1, 29 Components, 10 µg/mL in 5% HNO3 / Water, 500mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/simple-cyanide-cn-1000-ug-ml-in-in-tr-naoh-water-cas-151-50-8-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7387d14b-1751-478c-89bf-ab0f831ce90e.png?v=1752923679</image:loc>
      <image:title>*Simple Cyanide (CN-), 1000 µg/mL in in Tr. NaOH / Water, CAS # 151-50-8, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorate-clo3-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_3b3e20fb-7357-41bb-91bc-05836d406b8c.png?v=1752923683</image:loc>
      <image:title>*Chlorate (ClO3-), 1000µg/mL in Water, CAS # 7775-09-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfide-s-1000-ug-ml-in-water-cas-1313-84-4-3-x-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_71c12ff4-6ac6-4a73-b7c1-04e4f7fbbd58.png?v=1752923500</image:loc>
      <image:title>Sulfide (S), 1000 µg/mL in Water, CAS # 1313-84-4, 3 x 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromide-br-100-ug-ml-in-water-cas-7647-15-6-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_941494b1-0d3c-4549-b425-beefe03ca5f2.png?v=1752923504</image:loc>
      <image:title>*Bromide (Br-), 100 µg/mL in Water, CAS # 7647-15-6, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/organic-nutrients-tkn-as-n-total-phosphorus-as-p-1000-ug-ml-in-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_7f815642-808a-4f1d-8603-65993ce5e0f7.png?v=1752923509</image:loc>
      <image:title>*Organic Nutrients, 2 Components, 1000 µg/mL in Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-inorganic-nutrients-1000-ug-ml-in-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_492ba394-a8f6-4dc4-8ae4-3d84810f6e8d.png?v=1752923513</image:loc>
      <image:title>Inorganic Nutrients, 3 Components, 1000 µg/mL In Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/inorganic-nutrients-nh4-as-n-no3-as-n-orthophosphate-as-p-1000-ug-ml-in-water-internal-qc-practice-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4ddbb091-80de-4c19-95f0-0372fe9f0543.png?v=1752923517</image:loc>
      <image:title>Inorganic Nutrients, NH4 as N, NO3 as N, Orthophosphate as P, 1000 µg/mL In Water, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-butyrate-c3h7co2-1000-ug-ml-in-water-cas-156-54-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_c4b6f9d8-df49-4092-a685-4ebf9c327835.png?v=1752923521</image:loc>
      <image:title>*Sodium Butyrate (C3H7CO2-), 1000 µg/mL in Water, CAS # 156-54-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ammonia-as-n-1000-ug-ml-in-water-cas-12125-02-9-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_2bab6b7d-8f2a-4569-9e69-65a305dd9812.png?v=1752923525</image:loc>
      <image:title>*Ammonia as N, 1000 µg/mL in Water, CAS # 12125-02-9, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/color-500-color-units-in-10-hcl-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_7fc145af-17a6-4196-becd-d3548d135bea.png?v=1752923529</image:loc>
      <image:title>*Color, 500 Color Units in 10% HCl / Water, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mbas-alkyl-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_e397a4e4-0c6f-40f0-bb64-0ab5f81065d0.png?v=1752923534</image:loc>
      <image:title>*MBAS - Alkyl, 1000µg/mL in Water, CAS # 151-21-3, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tin-sn-100-ug-ml-in-2-hno3-water-cas-16919-24-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_160811cb-4535-48d1-afe0-35e794e5b84f.png?v=1752923538</image:loc>
      <image:title>*Tin (Sn), 100 µg/mL in 2% HNO3 / Water, CAS # 16919-24-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mbas-alkyl-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_d3c9446d-9aee-4405-b10e-701e19ffca57.png?v=1752923542</image:loc>
      <image:title>*MBAS - Alkyl, 1000µg/mL in Water, CAS # 151-21-3, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluoride-f-1000-ug-ml-in-water-cas-7681-49-4-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_28d421b5-6a76-4797-9974-da975624805e.png?v=1752923546</image:loc>
      <image:title>*Fluoride (F-), 1000 µg/mL in Water, CAS # 7681-49-4, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetic-acid-c2h4o2-1000-ug-ml-in-water-cas-64-19-7-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5a0e8744-3375-42bc-9af8-cbbe4dab75d2.png?v=1752923549</image:loc>
      <image:title>Acetic Acid (C2H4O2), 1000 µg/mL in Water, CAS # 64-19-7, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenol-1000-ug-ml-in-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5122ac69-a375-4df4-8f80-626c2a25dec8.png?v=1752923553</image:loc>
      <image:title>Phenol, 1000 µg/mL In Water, CAS # 108-95-2, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/500-color-units-in-10-hcl-water-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_1e3a8306-2165-4d75-ae7d-8b7e316350eb.png?v=1752923557</image:loc>
      <image:title>*Color, 500 Color Units in 10% HCl / Water, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrite-no2-as-n-100-ug-ml-in-water-cas-7632-00-0-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_54476625-ede7-442a-a209-814b9e7a490d.png?v=1752923561</image:loc>
      <image:title>*Nitrite (NO2-) as N, 100 µg/mL in Water, CAS # 7632-00-0, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ammonia-as-n-10-000-ug-ml-in-water-cas-12125-02-9-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_674dcfb0-0dc3-47d3-bab6-3509791d4ee3.png?v=1752923565</image:loc>
      <image:title>*Ammonia as N, 10,000 µg/mL in Water, CAS # 12125-02-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ws-trace-elements-1-qta-single-blind-20ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5c1578ad-daf0-4bc9-a524-4c0e48d7d937.png?v=1752923569</image:loc>
      <image:title>*WS Trace Elements, #1, QTA, Single Blind, 20mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-trace-elements-pt-varied-conc-in-5-hno3-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_e354ab70-8414-4131-baf3-f67e5b07fc7e.png?v=1752923573</image:loc>
      <image:title>*WP &amp; DMRQA Trace Elements PT, Varied conc. in 5%-HNO3 / Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-trace-elements-pt-varied-conc-in-5-hno3-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_693d59b7-2acb-4394-9891-20d5ef3a22b2.png?v=1752923576</image:loc>
      <image:title>*WP Trace Elements PT, Varied conc. in 5% HNO3 / Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-conductance-25-c-pt-varied-umho-cm-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_369f6518-f385-44b9-92bd-0c7b49c92855.png?v=1752923580</image:loc>
      <image:title>*WP Conductance @ 25°C PT, Varied µmho/cm in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-nutrients-1-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_d8985625-74a4-46f5-b3fd-5e0178f0c8c7.png?v=1752923584</image:loc>
      <image:title>*WP &amp; DMRQA Nutrients #1 PT, Varied Conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-phenolics-4aap-varied-concentrations-in-water-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_6f02de9d-abf0-44c1-8857-6ef76e825890.png?v=1752923588</image:loc>
      <image:title>WP &amp; DMRQA Phenolics (Total ) 4AAP PT, 6 Components, Varied Concentrations in Water, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-phenolics-total-4aap-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_001faa86-0f64-4d1a-a162-f2485cc6f4ce.png?v=1752923592</image:loc>
      <image:title>*WP &amp; DMRQA Phenolics (Total ) 4AAP PT, Varied conc. In Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-sulphide-nelac-additional-analyte-varied-concentrations-in-water-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4cda8bf4-9f7a-4def-93be-7f24516b46be.png?v=1752923596</image:loc>
      <image:title>CWA Sulfide PT, 2 Components, Varied Concentrations in Water, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-sulphide-in-water-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_77999a2d-b2c7-4dbe-bf01-37d9c096171a.png?v=1752923600</image:loc>
      <image:title>*CWA Sulphide In Water, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-sulphide-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_3da54627-f037-4ea8-992a-22d57ce6e332.png?v=1752923603</image:loc>
      <image:title>*CWA Sulphide PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-demands-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4dfe6406-1ce1-4788-a903-d2a020e3bfbd.png?v=1752923607</image:loc>
      <image:title>*WP &amp; DMRQA Demands PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-ph-25-c-varied-in-water-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_0a415d2f-1d3d-4960-a8a7-c9e08b7d65a3.png?v=1752923612</image:loc>
      <image:title>WP pH @ 25°C PT, 2 Components, Varied Concentration in Water, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-ph-25-c-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_72318e49-cf01-45bf-b7ab-d66535c17496.png?v=1752923616</image:loc>
      <image:title>*WP pH @ 25°C PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-nutrients-2-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_206ea13b-023f-4285-ab6f-7f04611738ff.png?v=1752923619</image:loc>
      <image:title>*WP &amp; DMRQA Nutrients #2 PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-dmrqa-total-cyanide-in-water-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_2132e590-6fef-4b6f-acab-0e3230a17470.png?v=1752923623</image:loc>
      <image:title>*WP &amp; DMRQA Total Cyanide in Water PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-oil-grease-tph-varied-concentration-in-acetone-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_9f0184ca-eeea-48b8-ba21-449cd3ec1867.png?v=1752923628</image:loc>
      <image:title>*WP Oil &amp; Grease + TPH, 3 Components, Varied Concentration in Acetone, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-oil-grease-tph-pt-varied-conc-in-acetone-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_d4598907-e29b-43ab-a8a7-0e3c3dcf6d87.png?v=1752923632</image:loc>
      <image:title>WP Oil &amp; Grease + TPH PT, Varied conc. in Acetone, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/wp-oil-grease-tph-quick-turnaround-non-study-double-blind</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4294f492-eb2f-43fa-880a-5882d9208a86.png?v=1752923635</image:loc>
      <image:title>WP Oil &amp; Grease + TPH Quick Turnaround Non-Study Double-Blind</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-solids-total-solids-tss-tds-pt-nelac-additional-analytes-varied-conc-internal-qc-practice-pt-neat</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6369bc98-a6dc-4ff0-9488-6c7b9ddb76e9.png?v=1752923640</image:loc>
      <image:title>*CWA Solids (Total Solids, TSS &amp; TDS) PT, Nelac Additional Analytes, Varied conc., Internal QC Practice PT, Neat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-metals-in-soil-mix-1-22-elements-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_27b71756-94e2-48ef-acbd-d615cbf0274e.png?v=1752923643</image:loc>
      <image:title>*RCRA Metals In Soil Mix #1, 22 Elements, Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-metals-in-soil-mix-1-internal-qc-practice-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7f03483b-1770-4a1e-a3f3-888d74563185.png?v=1752923647</image:loc>
      <image:title>*RCRA Metals In Soil Mix #1, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-metals-in-soil-mix-1-quick-turn-around-non-study-double-blinded-pt-samples</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a52b2998-8c66-4994-9430-17a0aaffa577.png?v=1752923651</image:loc>
      <image:title>*RCRA Metals In Soil Mix #1, Quick Turn Around Non-Study Double Blinded Pt Samples</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-metals-in-soil-mix-2-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_55fe73ca-d98b-4fa9-92f5-2729486e2a56.png?v=1752923655</image:loc>
      <image:title>*RCRA Metals In Soil Mix #2, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-metals-in-soil-mix-2-internal-qc-practice-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d0ac24d3-3138-4ae1-8960-a078770b43c5.png?v=1752923659</image:loc>
      <image:title>*RCRA Metals In Soil Mix #2, Internal QC Practice PT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-metals-in-soil-mix-2-quick-turn-around-non-study-double-blinded-pt-samples</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e28a82ff-9936-44cd-b61b-4637927ac307.png?v=1752923662</image:loc>
      <image:title>*RCRA Metals In Soil Mix #2, Quick Turn Around Non-Study Double Blinded Pt Samples</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-chromium-vi-in-soil-1-component-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b72fd69b-697c-4817-b05d-ff2cee69c860.png?v=1752923666</image:loc>
      <image:title>*RCRA Chromium Vi In Soil, 1 Component, Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-cyanide-in-soil-1-component-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3fa5f87b-02bb-4b9b-b757-6782e0d27b2e.png?v=1752923670</image:loc>
      <image:title>*RCRA Cyanide In Soil, 1 Component, Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tph-in-soil-method-418-1-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e0e0646a-a0ea-4d47-b72e-e19ad6de833e.png?v=1752923674</image:loc>
      <image:title>*TPH In Soil (Method 418.1), Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-flashpoint-ignitability-whole-volume-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_88ba2a05-e088-426f-ab6b-bfe1add649b0.png?v=1752923678</image:loc>
      <image:title>*RCRA FlashPoint/ Ignitability Whole Volume, Formal PT Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-corrosivity-in-soil-ph-determination-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_892b4d34-0737-4193-a4eb-69cb413013d9.png?v=1752923682</image:loc>
      <image:title>*RCRA Corrosivity In Soil, pH Determination, Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-nitrate-nitrite-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_15dfea4c-b232-4bfc-aec5-975d3ed92c84.png?v=1752923685</image:loc>
      <image:title>*CWA Nitrate &amp; Nitrite PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-anions-in-soil-6-components-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_73121b5b-9181-400d-985d-db3420f371d0.png?v=1752923689</image:loc>
      <image:title>*RCRA Anions In Soil, 6 Components, Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/rcra-nutrients-in-soil-4-components-whole-volume-pre-spiked-sample-formal-pt-study-april-15-may-30</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_14c2a05c-e33a-4a38-bbc5-86f7e85f3152.png?v=1752923693</image:loc>
      <image:title>*RCRA Nutrients In Soil, 4 Components, Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-minerals-1-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_131b7fa0-b799-4490-83e0-3a28e8c1eca2.png?v=1752923688</image:loc>
      <image:title>*CWA Minerals #1 PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cwa-minerals-2-pt-varied-conc-in-water-internal-qc-practice-pt-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_10c51b27-13af-439b-b116-963b243c2bf5.png?v=1752923691</image:loc>
      <image:title>*CWA Minerals #2 PT, Varied conc. in Water, Internal QC Practice PT, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ws-low-level-perchlorate-internal-qc-practice-pt</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_43c6a6a2-45be-43a9-a899-72cf2c977659.png?v=1752923697</image:loc>
      <image:title>*WS Low Level Perchlorate Internal QC Practice PT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tclp-metals-in-soil-varied-concentrations-in-soil-100-gm</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fae1f917-e8f1-407c-a2d8-a945ae9a38e6.png?v=1752923702</image:loc>
      <image:title>*TCLP Metals In Soil, 12 Components, Varied Concentrations In Sand, 100 g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/copper-cu-1000-ug-ml-in-2-hno3-water-cas-10031-43-3-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_dd8c9de1-3dde-46e7-8f3f-5acc1e00324f.png?v=1752923706</image:loc>
      <image:title>*Copper (Cu), 1000 µg/mL in 2% HNO3 / Water, CAS # 10031-43-3, 4 x 25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lithium-li-100-ug-ml-in-2-hno3-water-cas-7790-69-4-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_fd0f1249-453f-4bae-bfbb-769b85851c2a.png?v=1752923710</image:loc>
      <image:title>*Lithium (Li), 100 µg/mL in 2% HNO3 / Water, CAS # 7790-69-4, 4 x 25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-ag-100-ug-ml-in-2-hno3-water-cas-7761-88-8-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_d041b0f4-ead8-495d-899a-327f9cf96e7d.png?v=1752923713</image:loc>
      <image:title>*Silver (Ag), 100 µg/mL in 2% HNO3 / Water, CAS # 7761-88-8, 4 x 25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-hg-100-ug-ml-in-2-hno3-water-cas-7783-34-8-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_ea8b8f07-edee-4c0e-b126-9e1858e7eb39.png?v=1752923717</image:loc>
      <image:title>*Mercury (Hg), 100 µg/mL in 2% HNO3 / Water, CAS # 7783-34-8, 4 x 25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thallium-tl-100-ug-ml-in-2-hno3-water-cas-7440-28-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_d163ca15-db14-4299-a600-112b070023fb.png?v=1752923721</image:loc>
      <image:title>*Thallium (Tl), 100 µg/mL in 2% HNO3 / Water, CAS # 7440-28-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/perchlorate-clo4-1000-ug-ml-in-water-cas-7601-89-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_79445d63-781a-4baf-b47d-5b0a9eab39fe.png?v=1752923725</image:loc>
      <image:title>*Perchlorate (ClO4-), 1000µg/mL in Water, CAS # 7601-89-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/magnesium-mg-1000-ug-ml-in-2-hno3-water-cas-13446-18-9-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_ab87f0a4-59cf-48e0-9c88-e327366cb15e.png?v=1752923729</image:loc>
      <image:title>*Magnesium (Mg), 1000 µg/mL in 2% HNO3 / Water, CAS # 13446-18-9, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aluminum-al-1000-ug-ml-in-2-hno3-water-cas-7784-27-2-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_1ed83ff3-9bec-45c4-bd3e-279f9a848690.png?v=1752923732</image:loc>
      <image:title>*Aluminum (Al), 1000 µg/mL in 2% HNO3 / Water, CAS # 7784-27-2, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silicon-si-1000-ug-ml-in-2-hno3-water-cas-16919-19-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_331fc9ea-9d3e-4eea-8ea1-ceca77b22328.png?v=1752923736</image:loc>
      <image:title>*Silicon (Si), 1000 µg/mL in 2% HNO3 / Water, CAS # 16919-19-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/iron-fe-1000-ug-ml-in-2-hno3-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_0ad44e6f-7300-49e6-afd6-ce858e14e9b2.png?v=1752923740</image:loc>
      <image:title>*Iron (Fe), 1000 µg/mL In  2%-HNO3 / Water, CAS # 7782-61-8, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lead-pb-1000-ug-ml-in-2-hno3-water-cas-10099-74-8-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_021f101d-5d9b-4ef3-b18d-29fecef10eb9.png?v=1752923744</image:loc>
      <image:title>*Lead (Pb), 1000 µg/mL in 2% HNO3 / Water, CAS # 10099-74-8, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aluminum-al-10-mg-ml-in-2-hno3-water-cas-7784-27-2-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5f0ff444-e443-4008-b82a-34d75e196afc.png?v=1752923747</image:loc>
      <image:title>*Aluminum (Al), 10 mg/mL in 2% HNO3 / Water, CAS # 7784-27-2, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/germanium-ge-100-ug-ml-in-2-hno3-water-cas-16962-47-3-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_51b00e08-333d-400c-82aa-81a6b5b26499.png?v=1752923751</image:loc>
      <image:title>*Germanium (Ge), 100 µg/mL in 2% HNO3 / Water, CAS # 16962-47-3, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/molybdenum-mo-100-ug-ml-in-2-hno3-tr-hf-cas-7439-98-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_8b19e85f-caef-46ed-9dee-4ab41e1b3249.png?v=1752923755</image:loc>
      <image:title>*Molybdenum (Mo), 100 µg/mL in 2% HNO3 / Tr. HF, CAS # 7439-98-7, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-ag-100-ug-ml-in-2-hno3-water-cas-7761-88-8-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_832c9f24-ef84-4899-b420-3aa3d90686ef.png?v=1752923759</image:loc>
      <image:title>*Silver (Ag), 100 µg/mL in 2% HNO3 / Water, CAS # 7761-88-8, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tantalum-ta-100-ug-ml-in-water-tr-hf-cas-12022-02-5-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_e22e093e-4f73-4fc8-8070-e1e67c2c6449.png?v=1752923762</image:loc>
      <image:title>*Tantalum (Ta), 100 µg/mL in Water / Tr. HF, CAS # 12022-02-5, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silver-ag-10-ug-ml-in-2-hno3-water-cas-7761-88-8-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_d7b5d14c-5251-4519-85f4-4d46ff57dc3c.png?v=1752923771</image:loc>
      <image:title>*Silver (Ag), 10 µg/mL in 2% HNO3 / Water, CAS # 7761-88-8, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/arsenic-as-cas-7440-38-2-10-ug-ml-in-2-hno3-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_915200f5-e380-4f17-8c43-9f4d9b7ebefe.png?v=1752923774</image:loc>
      <image:title>*Arsenic (As), 10 µg/mL in 2% HNO3 / Water, CAS # 7440-38-2, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-hgii-cas-7783-34-8-10-ug-ml-in-in-2-hno3-water-3x20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_e64d3e2c-057a-4f81-b90a-52b56b35456e.png?v=1752923778</image:loc>
      <image:title>*Mercury (Hg(II)), 10 µg/mL In in 2% HNO3 / Water, CAS # 7783-34-8, 3 x 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-hg-1-0-ug-ml-in-2-hno3-water-cas-7783-34-8-3-x-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_9445dc6c-aa3c-4bd9-aaf7-69a183851211.png?v=1752923781</image:loc>
      <image:title>*Mercury (Hg), 1.0 µg/mL in 2% HNO3 / Water, CAS # 7783-34-8, 3 x 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/boron-b-1000-ug-ml-in-2-nh4oh-water-cas-10043-35-3-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_22483a76-93eb-40ea-9710-cd98b69e39cb.png?v=1752923786</image:loc>
      <image:title>*Boron (B), 1000 µg/mL in 2% NH4OH / Water, CAS # 10043-35-3, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silicon-si-1000-ug-ml-in-2-hno3-water-cas-16919-19-0-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_edd92f2d-2897-405f-84ce-329001a5a3f9.png?v=1752923789</image:loc>
      <image:title>*Silicon (Si), 1000 µg/mL in 2% HNO3 / Water, CAS # 16919-19-0, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/manganese-mn-1000-ug-ml-in-2-hno3-water-cas-20694-39-7-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_bb1e1dd2-a548-414c-9093-c1839a53c26f.png?v=1752923794</image:loc>
      <image:title>*Manganese (Mn), 1000 µg/mL in 2% HNO3 / Water, CAS # 15710-66-4, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/selenium-se-1000-ug-ml-in-2-hno3-water-cas-7782-49-2-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5753be2f-ab5b-4cf6-8698-1c3aaa6d4ef6.png?v=1752923798</image:loc>
      <image:title>*Selenium (Se), 1000 µg/mL in 2% HNO3/Water, CAS # 7782-49-2, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfide-s-1000-ug-ml-in-water-cas-1313-84-4-20-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_2dcfbeb4-8971-41bd-9176-cfcc0e307135.png?v=1752923802</image:loc>
      <image:title>*Sulfide (S), 1000 µg/mL in Water, CAS # 1313-84-4, 20 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ammonia-as-n-100-ug-ml-in-water-cas-12125-02-9-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_272a6e65-d586-4e92-9bef-9cdec90a38d8.png?v=1752923805</image:loc>
      <image:title>*Ammonia as N, 100 µg/mL in Water, CAS # 12125-02-9, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-1-0-ntu-in-astm-type-1-water-cas-9003-70-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_4a03a84f-6197-46d4-9b4e-66ee5ba09169.png?v=1752923810</image:loc>
      <image:title>*Turbidity Standard, 1.0 NTU in ASTM Type 1 Water, CAS # 9003-70-7, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/turbidity-standard-1-0-ntu-in-astm-type-1-water-cas-9003-70-7-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_5426b4bb-f0c1-4b8c-b898-41eb6b80fed1.png?v=1752923814</image:loc>
      <image:title>*Turbidity Standard, 1.0 NTU in ASTM Type 1 Water, CAS # 9003-70-7, 500 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/perchlorate-clo4-2000-ug-l-in-water-cas-7601-89-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_0700d261-4ecd-42c3-ae4d-9004caf620ae.png?v=1752923817</image:loc>
      <image:title>*Perchlorate (ClO4-), 2000 µg/L In Water, CAS # 7601-89-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/uv-254-absorbance-doc-dissolved-organic-carbon-1000-ug-ml-in-water-cas-877-24-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_a09b0dce-d5b2-4c46-9bb6-b09dc8bb9aa9.png?v=1752923822</image:loc>
      <image:title>*UV 254 Absorbance / DOC (Dissolved Organic Carbon), 2 Components, 1000 µg/mL in Water, 100 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/metals-mix-4-10-ug-l-in-2-hno3-water-cas-10022-68-1-4-x-25-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_203_20Clear_20Ampouls_201280x1280_e609a94c-7baa-4910-b6a5-9c64fe3f1aee.png?v=1752923826</image:loc>
      <image:title>*Metals Mix #4, 10 µg/L in 2% HNO3 / Water,  CAS # 10022-68-1, 4x25 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiosulfate-s2o32-1000-ug-ml-in-water-cas-7772-98-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_05043d22-c6a5-4f0b-bc27-b73c95a63d70.png?v=1752923829</image:loc>
      <image:title>*Thiosulfate (S2O32-), 1000 µg/mL in Water, CAS # 7772-98-7, 100 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/thiocyanate-scn-1000-ug-ml-in-water-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_335ae532-7785-4c1e-8192-f9c2d769c5c0.png?v=1752923833</image:loc>
      <image:title>*Thiocyanate (SCN-), 1000 µg/mL in Water, 100 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-10-ntu-in-astm-type-1-water-cas-9003-70-7-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_ca127fce-2fe0-4b86-a78d-3dae9967415a.png?v=1752923837</image:loc>
      <image:title>*Turbidity Standard, 10 NTU in ASTM Type 1 Water, CAS # 9003-70-7, 100 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/turbidity-standard-10-ntu-in-astm-type-1-water-cas-9003-70-7-500-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Single_20Clear_20Ampoul_20-_20Generic_20No_20Text_201280x1280_a08d6330-d1fb-4eef-a59a-56035afd8ca3.png?v=1752923841</image:loc>
      <image:title>*Turbidity Standard, 10 NTU in ASTM Type 1 Water, CAS # 9003-70-7, 500 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/base-neutrals-extractables-mix-1-misa-25-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fe62c273-3e3c-4b60-94e9-5ff8220e9493.png?v=1752923845</image:loc>
      <image:title>*Base/Neutrals Extractables Mix #1 - MISA, 25 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/base-neutrals-extractables-mix-2-misa-4-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_05c84bd3-b818-4112-a63a-9860bb4580e0.png?v=1752923849</image:loc>
      <image:title>*Base/Neutrals Extractables Mix #2 - MISA, 4 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/base-neutrals-extractables-mix-3-misa-5-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_cbff6ce3-f76f-4caa-aa6a-b9c084f4a5c4.png?v=1752923852</image:loc>
      <image:title>*Base/Neutrals Extractables Mix #3 - MISA, 5 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acid-extractables-misa-20-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6818c011-bcc9-4103-b974-ba23c9496dac.png?v=1752923856</image:loc>
      <image:title>*Acid Extractables - MISA, 20 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/non-halogenated-volatiles-misa-7-components-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5f53abca-67ac-4f76-92b6-0112658016ac.png?v=1752923860</image:loc>
      <image:title>*Non-Halogenated Volatiles - MISA, 7 Components, 2000 µg/mL in Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/canadian-drinking-water-carbamates-mix-5-components-100-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_22d4cf0f-1878-42ee-8676-1bd4f3ead7c3.png?v=1752923864</image:loc>
      <image:title>*Canadian Drinking Water Carbamates Mix, 5 Components, 100 µg/mL In Methanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/canadian-atlantic-rbca-eph-standard-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fc497e98-de38-4270-8e21-ee35536035e8.png?v=1752923867</image:loc>
      <image:title>*Canadian Atlantic RBCA EPH Standard, 11 Components, 1000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trifluralin-100-ug-ml-in-acetone-cas-1582-09-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_df4ba2d7-6945-46bd-bdc3-4035bffe087a.png?v=1752923871</image:loc>
      <image:title>*Trifluralin, 100 µg/mL in Acetone, CAS # 1582-09-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/smoke-taint-panel-1000-ug-ml-in-ethanol-8-components-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2cd281cd-ba21-49a3-a565-b07411c3148e.png?v=1752923875</image:loc>
      <image:title>*Smoke Taint Panel, 8 Components, 1000 µg/mL in Ethanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ochratoxin-a-from-petromyces-albertensis-1-ug-ml-in-acetonitrile-cas-303-47-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c447cf85-a6d3-44ae-b627-275823787bab.png?v=1752923698</image:loc>
      <image:title>*Ochratoxin A (from Petromyces albertensis), 1 µg/mL in Acetonitrile, CAS # 303-47-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cannabis-terpenes-standard-1000-ug-ml-in-isopropanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_82691b88-288b-4b1f-8535-5f64f979da53.png?v=1752923703</image:loc>
      <image:title>*Cannabis Terpenes Standard Rev. 1, 22 Components, 1000 µg/mL in Isopropanol, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/california-residual-solvents-in-hemp-oil-matrix-22-components-100-ug-g-in-hemp-oil-2-ml-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3589772a-55d9-49b7-9de7-0b374862bf8b.png?v=1752923707</image:loc>
      <image:title>*California Residual Solvents in Hemp Oil Matrix, 22 Components, 100 µg/g in Hemp Oil, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrethrum-100-ug-ml-in-ethanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b36756ec-3759-452a-8f92-c8b35c894f3f.png?v=1752923711</image:loc>
      <image:title>*Pyrethrum, 100 µg/mL in Ethanol, CAS # 8003-34-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/formaldehyde-1000-ug-ml-in-water-cas-50-00-0-100-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_cbda2476-fa9b-4ca1-a516-12c62812e94c.png?v=1752923715</image:loc>
      <image:title>*Formaldehyde, 1000 µg/mL in Water, CAS # 50-00-0, 100 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazinon-100-ug-ml-in-methanol-cas-333-41-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_92668003-6d8c-4852-a6ab-3a4d5283b0dc.png?v=1752923719</image:loc>
      <image:title>*Diazinon, 100 µg/mL in Methanol, CAS # 333-41-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trichlorobenzene-100-ug-ml-in-methanol-cas-108-70-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9a4daaf3-f1c0-4fec-aee6-bb822757a911.png?v=1752923723</image:loc>
      <image:title>*1,3,5-Trichlorobenzene, 100 µg/mL in Methanol, CAS # 108-70-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propane-5000-ug-ml-in-1-2-4-trimethylbenzene-cas-74-98-6-2-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8452a006-afd9-49b0-af34-8789c151b54c.png?v=1752923727</image:loc>
      <image:title>*Propane, 5000 µg/mL in 1,2,4-trimethylbenzene, CAS # 74-98-6, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butane-5000-ug-ml-in-1-2-4-trimethylbenzene-cas-106-97-8-2-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d86a18a9-407d-45a9-aef0-55b81ed7bd26.png?v=1752923731</image:loc>
      <image:title>*n-Butane, 5000 µg/mL in 1,2,4-trimethylbenzene, CAS # 106-97-8, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methylpropane-5000-ug-ml-in-1-2-4-trimethylbenzene-cas-75-28-5-2-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e96f544b-c6ed-49c2-a826-953ab1de27c9.png?v=1752923735</image:loc>
      <image:title>*2-Methylpropane, 5000 µg/mL in 1,2,4-trimethylbenzene, CAS # 75-28-5, 2 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/flavonoids-calibration-mix-1000-ug-ml-in-dmso-9-components-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_709011f2-1ec1-483b-9457-914435228ab1.png?v=1752923739</image:loc>
      <image:title>*Flavonoids Calibration Mix, 1000 µg/mL in DMSO, 9 Components, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/method-1633-pfcs-calibration-standard-rev-1-0-2-ug-ml-in-in-methanol-1-mm-koh-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_770ab905-4335-46a7-84cb-9df57518d6cb.png?v=1752923743</image:loc>
      <image:title>*Method 1633 - PFC Calibration Standard Rev 2.0, 40 Components, 2 µg/mL in Methanol(1 mM KOH), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pfc-s-eurlpfas-usfdafts-calibration-30-components-2-ug-ml-in-methanol-1-mm-koh-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a4004579-4fdd-421a-b420-a759bbb539aa.png?v=1752923747</image:loc>
      <image:title>*PFC’s EURL(PFAS)-USFDA(FTS) Calibration, 30 Components, 2 µg/mL in Methanol (1 mM KOH), 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/complex-sugars-7-components-100-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3b58d5b3-c34a-40e9-8412-2569ed94d94d.png?v=1752923751</image:loc>
      <image:title>*Complex Sµgars, 7 Components 100 µg/mL In Water, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/n-butane-5000-ug-ml-in-n-n-dimethylacetamide-cas-106-97-8-2ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9494de71-a756-45da-b0f3-be880f94578e.png?v=1752923755</image:loc>
      <image:title>*n-Butane 5000 µg/mL in N,N-dimethylacetamide, CAS # 106-97-8, 2mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/base-neutrals-extractables-mix-1-misa-24-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_78e670b6-5ef0-44ed-b645-52aa75f1d142.png?v=1752923798</image:loc>
      <image:title>*Base/Neutrals Extractables Mix #1 - MISA, 24 Components 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
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  <url>
    <loc>https://chromspec.com/products/base-neutrals-extractables-mix-2-misa-3-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f7bce26a-2541-4b66-9b37-b1f916547e27.png?v=1752923802</image:loc>
      <image:title>*Base/Neutrals Extractables Mix #2 - MISA, 3 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/base-neutrals-extractables-mix-4-misa-6-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_344a88f2-22c0-4081-88ae-d705420e4938.png?v=1752923805</image:loc>
      <image:title>*Base/Neutrals Extractables Mix #4 - MISA, 6 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/neutral-chlorinated-extractables-misa-12-components-2000-ug-ml-in-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_65b8eb7c-56c0-48db-8e9b-0b17fdbfeb0c.png?v=1752923809</image:loc>
      <image:title>*Neutral Chlorinated Extractables - MISA, 12 Components, 2000 µg/mL in Methylene Chloride, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-1000-ug-ml-in-methylene-chloride-cas-62-53-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_257a2726-6d0a-4bfe-b015-47ea8eba3680.png?v=1752923813</image:loc>
      <image:title>*Aniline, 1000 µg/mL in Methylene Chloride, CAS # 62-53-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-d5-1000-ug-ml-in-methanol-cas-4165-61-1-absolute-standards-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2b1093b3-38bc-49fd-9615-a9e533e88b6c.png?v=1752923817</image:loc>
      <image:title>*Aniline-d5, 1000 µg/mL in Methanol, CAS # 4165-61-1, Absolute Standards, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-d10-1000-ug-ml-in-methylene-chloride-cas-01719-06-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ebc285dc-ce6c-49e0-aea3-a57b828c42e3.png?v=1752923821</image:loc>
      <image:title>*Anthracene-d10, 1000 µg/mL in Methylene Chloride, CAS # 01719-06-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzidine-1000-ug-ml-in-methanol-cas-92-87-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d7df6aae-2cd5-498f-8b9a-4b2bca402bf7.png?v=1752923825</image:loc>
      <image:title>*Benzidine, 1000 µg/mL In Methanol, CAS # 92-87-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoaanthracene-d12-1000-ug-ml-in-methylene-chloride-cas-1718-53-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9af14b4f-af39-4293-bd2c-82c1e1bb3a88.png?v=1752923828</image:loc>
      <image:title>*Benzo(a)anthracene-d12, 1000 µg/mL in Methylene Chloride, CAS # 1718-53-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoic-acid-1000-ug-ml-in-methanol-cas-65-85-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_faf605d9-a192-43e0-ab62-d2d333745bae.png?v=1752923832</image:loc>
      <image:title>*Benzoic acid, 1000 µg/mL in Methanol, CAS # 65-85-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-butyl-phthalate-1000-ug-ml-in-methanol-cas-85-68-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7171456d-60f7-4f13-b405-437c9acb3849.png?v=1752923836</image:loc>
      <image:title>*Benzyl butyl phthalate, 1000 µg/mL in Methanol, CAS # 85-68-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromoform-1000-ug-ml-in-methanol-cas-75-25-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8ba823ca-4d77-45b2-bfaf-b0961f6bc440.png?v=1752923840</image:loc>
      <image:title>*Bromoform, 1000 µg/mL in Methanol, CAS # 75-25-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromomethane-1000-ug-ml-in-methanol-cas-74-83-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_51253ebf-bfc9-44e7-bcb0-22c47a946a45.png?v=1752923844</image:loc>
      <image:title>*Bromomethane, 1000 µg/mL in Methanol, CAS # 74-83-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloroethyl-vinyl-ether-1000-ug-ml-in-methanol-cas-110-75-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9178ee6c-f670-4e0d-b243-0302aa177ae5.png?v=1752923848</image:loc>
      <image:title>*2-Chloroethyl vinyl ether, 1000 µg/mL in Methanol, CAS # 110-75-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloronaphthalene-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_21497b20-1a54-4a65-b86e-ae8880261639.png?v=1752923853</image:loc>
      <image:title>*2-Chloronaphthalene,1000 µg/mL In Methanol, CAS # 91-58-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-d12-1000-ug-ml-in-methylene-chloride-cas-1719-03-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5dc9164a-bae8-4743-b731-e7252583a09e.png?v=1752923857</image:loc>
      <image:title>*Chrysene-d12, 1000 µg/mL in Methylene Chloride, CAS # 1719-03-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-ddt-1000-ug-ml-in-methanol-cas-789-02-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_69a7052f-6628-4102-92b5-c9602213cf3a.png?v=1752923861</image:loc>
      <image:title>*2,4’-DDT, 1000 µg/mL in Methanol, CAS # 789-02-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazinon-1000-ug-ml-in-methanol-cas-333-41-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fe008c81-9c0a-43e2-a06d-af3e5fdd41be.png?v=1752923865</image:loc>
      <image:title>*Diazinon, 1000 µg/mL in Methanol, CAS # 333-41-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenza-hacridine-1000-ug-ml-in-methylene-chloride-cas-226-36-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_da41380d-7d5a-40b5-927c-5517105a312f.png?v=1752923869</image:loc>
      <image:title>*Dibenz(a,h)acridine, 1000 µg/mL in Methylene Chloride, CAS # 226-36-8,  1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzoa-epyrene-1000-ug-ml-in-methylene-chloride-cas-192-65-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_726ad3b3-510d-465e-baca-976151c7f5a2.png?v=1752923873</image:loc>
      <image:title>*Dibenzo(a,e)pyrene, 1000 µg/mL 	in Methylene Chloride, CAS # 192-65-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/desethylatrazine-1000-ug-ml-in-acetone-cas-6190-65-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2a806b4b-c38e-4384-b5d8-6d0513c95821.png?v=1752923888</image:loc>
      <image:title>*Desethylatrazine, 1000 µg/mL in Acetone, CAS # 6190-65-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorodifluoromethane-1000-ug-ml-in-methanol-cas-75-71-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ba7459e0-f7b2-4ef3-abfc-206dbec05723.png?v=1752923891</image:loc>
      <image:title>*Dichlorodifluoromethane, 1000 µg/mL in Methanol, CAS # 75-71-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorvos-1000-ug-ml-in-methanol-cas-62-73-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_060a6bee-68e8-476b-8e57-3b30ba4053e9.png?v=1752923895</image:loc>
      <image:title>*Dichlorvos, 1000 µg/mL in Methanol, CAS # 62-73-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-ether-1000-ug-ml-in-methanol-cas-60-29-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_190a6425-4132-4998-80fb-e72ab780c667.png?v=1752923899</image:loc>
      <image:title>*Diethyl ether, 1000 µg/mL in Methanol, CAS # 60-29-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-1000-ug-ml-in-toluene-cas-72-20-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2edc0465-ed03-4c41-ac40-2419244a14a3.png?v=1752923903</image:loc>
      <image:title>*Endrin, 1000 µg/mL in Toluene, CAS # 72-20-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/etridiazole-1000-ug-ml-in-methanol-cas-2593-15-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b03d6d49-2363-4344-8302-5af707aa68a0.png?v=1752923880</image:loc>
      <image:title>*Etridiazole, 1000 µg/mL In Methanol, CAS # 2593-15-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachloroethane-1000-ug-ml-in-methanol-cas-67-72-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d2b8fd05-f7c9-4085-8b38-63a2bb921d2b.png?v=1752923885</image:loc>
      <image:title>*Hexachloroethane, 1000 µg/mL in Methanol, CAS # 67-72-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-isopropyl-toluene-1000-ug-ml-in-methanol-cas-99-87-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0befc5d4-f6ca-4955-9ba2-6e1947cd28c7.png?v=1752923888</image:loc>
      <image:title>*p-Isopropyl toluene, 1000 µg/mL in Methanol, CAS # 99-87-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methylnaphthalene-1000-ug-ml-in-methanol-cas-91-57-6-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_77d5a810-9a10-48a5-b8d5-c8558cfebdb8.png?v=1752923892</image:loc>
      <image:title>*2-Methylnaphthalene,1000 µg/mL In Methanol, CAS # 91-57-6, mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/3-nitroaniline-1000-ug-ml-in-methanol-cas-99-09-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_554ef414-16ce-49ac-b48d-c50629d5cee3.png?v=1752923896</image:loc>
      <image:title>*3-Nitroaniline, 1000 µg/mL In Methanol, CAS # 99-09-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e905322e-f76e-4c90-9d3b-4bbb4b8707f9.png?v=1752923900</image:loc>
      <image:title>*Pentachlorophenol, 1000 µg/mL In Methanol, CAS # 87-86-5. 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/perylene-d12-1000-ug-ml-in-methylene-chloride-cas-1520-96-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_61abfd7d-42b9-430e-bc6e-c78152f4ec60.png?v=1752923904</image:loc>
      <image:title>*Perylene-d12, 1000 µg/mL in Methylene Chloride, CAS # 1520-96-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenanthrene-d10-cas-1517-22-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_071c180c-53af-43f2-bcce-8f6f32512cec.png?v=1752923909</image:loc>
      <image:title>*Phenanthrene-d10, 1000µg/mL in Methylene Chloride, CAS # 1517-22-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propazine-1000-ug-ml-in-acetone-cas-139-40-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_568f5eb3-190b-46f3-aa03-3e75ea15fd47.png?v=1752923913</image:loc>
      <image:title>*Propazine, 1000 µg/mL in Acetone, CAS # 139-40-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-terphenyl-d14-1000-ug-ml-in-methylene-chlorde-cas-1718-51-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d1e02044-c687-45f4-b007-af8f0de86e92.png?v=1752923917</image:loc>
      <image:title>*P-Terphenyl-D14, 1000 µg/mL in Methylene Chloride, CAS # 1718-51-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toluene-cas-108-88-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_95c691c8-facc-4d4f-a0b7-51e1aa398f8c.png?v=1752923921</image:loc>
      <image:title>*Toluene, 1000 µg/mL in Methanol CAS # 108-88-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toluene-d8-1000-ug-ml-in-methanol-cas-2037-26-5-absolute-standards-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f126a239-5e6a-41fe-a545-d3bf05f20684.png?v=1752923925</image:loc>
      <image:title>*Toluene-d8, 1000 µg/mL in Methanol, CAS # 2037-26-5, ABS, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichlorobenzene-1000-ug-ml-in-methanol-cas-87-61-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_eb5faf85-2d32-4d11-bcc2-f242ec213554.png?v=1752923929</image:loc>
      <image:title>*1,2,3-Trichlorobenzene, 1000 µg/mL in Methanol, CAS # 87-61-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichloroethene-1000-ug-ml-in-methanol-cas-79-01-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9fe49a81-486a-4c96-a11f-ce26d7bb72bf.png?v=1752923933</image:loc>
      <image:title>*Trichloroethene, 1000 µg/mL in Methanol, CAS # 79-01-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichlorofluoromethane-1000-ug-ml-in-methanol-cas-75-69-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_09c22555-4084-4ef4-9c52-910a6f580842.png?v=1752923937</image:loc>
      <image:title>*Trichlorofluoromethane, 1000 µg/mL in Methanol, CAS # 75-69-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trimethylbenzene-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8359303c-2469-4fb3-9584-49908196517e.png?v=1752923941</image:loc>
      <image:title>*1,3,5-Trimethylbenzene 1000 µg/mL In Methanol, CAS # 108-67-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triphenyl-phosphate-1000-ug-ml-in-methanol-cas-115-86-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_82a2b688-5d27-4f4f-9ded-7869eee893b2.png?v=1752923946</image:loc>
      <image:title>*Triphenyl phosphate, 1000 µg/mL In Methanol, CAS # 115-86-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-nitroacenaphthene-1000-ug-ml-in-methylene-chloride-cas-602-87-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a669f0dc-a639-46f3-8eeb-f041eb7b7537.png?v=1752923949</image:loc>
      <image:title>*5-Nitroacenaphthene, 1000 µg/mL in Methylene Chloride, CAS # 602-87-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/camphene-1000-ug-ml-in-hexane-cas-5794-04-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_4bf9fe75-a34f-4011-a598-a7f68b5db821.png?v=1752923953</image:loc>
      <image:title>*Camphene, 1000 µg/mL in Hexane, CAS # 5794-04-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-chloronaphthalene-1000-ug-ml-in-methanol-cas-90-13-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c238ecaf-6b76-4b05-a774-3e947f0ac9e2.png?v=1752923957</image:loc>
      <image:title>*1-Chloronaphthalene, 1000 µg/mL in Methanol, CAS # 90-13-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/indole-1000-ug-ml-in-methylene-chloride-cas-00120-72-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_03f06092-01f8-4212-92a4-19db6347dd9b.png?v=1752923961</image:loc>
      <image:title>*Indole, 1000 µg/mL in Methylene Chloride, CAS # 120-72-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-methylnaphthalene-1000-ug-ml-in-methanol-cas-90-12-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a71a0819-8c84-4760-9c3d-937c476f132f.png?v=1752923965</image:loc>
      <image:title>*1-Methylnaphthalene, 1000 µg/mL in Methanol, CAS # 90-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allyl-chloride-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_73dfefaa-7abb-4b6a-aab2-3d51b5483131.png?v=1752923969</image:loc>
      <image:title>*Allyl Chloride, 1000 µg/mL In Methanol, CAS # 107-05-1,  1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f1c7c58d-fabd-4854-bf99-f16f7239aaf0.png?v=1752923972</image:loc>
      <image:title>*4-Chlorophenol, 1000 µg/mL In Methanol, CAS # 106-48-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/quinoline-cas-91-22-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9c9ed156-8a47-468d-8abe-c5718ee563f6.png?v=1752923977</image:loc>
      <image:title>*Quinoline, 1000 µg/mL in Methylene Chloride, CAS # 91-22-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicyclohexyl-phthalate-1000-ug-ml-in-methanol-cas-84-61-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_48141493-c424-4de1-85a8-6a191bffcbd2.png?v=1752923981</image:loc>
      <image:title>*Dicyclohexyl phthalate, 1000 µg/mL in Methanol, CAS # 84-61-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resorcinol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a6ecae05-3218-4adf-9b26-d9b6eb9877bc.png?v=1752923984</image:loc>
      <image:title>*Resorcinol, 1000 µg/mL In Methanol, CAS # 108-46-3. 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-dimethylaminoazobenzene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e00ae4ef-5f2c-4368-ae7f-c61a3e0cc590.png?v=1752923988</image:loc>
      <image:title>*4-Dimethylaminoazobenzene, 1000 µg/mL In Methanol, CAS # 60-11-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/furan-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1981e984-73c9-401a-b935-6d4ffcd78cde.png?v=1752923992</image:loc>
      <image:title>*Furan, 1000 µg/mL In Methanol, CAS # 110-00-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trichlorobenzene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_71c34c38-13ff-47f2-b38d-608043d0db6a.png?v=1752923996</image:loc>
      <image:title>*1,3,5-Trichlorobenzene, 1000 µg/mL in Methanol, CAS # 108-70-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-12-dimethylbenza-anthracene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_524c6dab-4383-433c-80d0-7fd841ec5ea8.png?v=1752924000</image:loc>
      <image:title>*7,12-Dimethylbenz(A) Anthracene, 1000 µg/mL in Methylene Chloride, CAS # 57-97-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triethylamine-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6db37c51-f2cb-49e2-a93b-59ab0c8c1953.png?v=1752924004</image:loc>
      <image:title>*Triethylamine, 1000 µg/mL in Methanol, CAS # 121-44-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1268-1000-ug-ml-in-isooctane-cas-11100-14-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9722abe4-752e-46a6-b785-5665c0e63a5f.png?v=1752924008</image:loc>
      <image:title>*Aroclor 1268, 1000 µg/mL in Isooctane, CAS # 11100-14-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butyl-acetate-1000-ug-ml-in-methanol-cas-123-86-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_99f92beb-b3cd-436e-b072-876ad42df2f5.png?v=1752924012</image:loc>
      <image:title>*n-Butyl acetate, 1000 µg/mL in Methanol, CAS # 123-86-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutanol-1000-ug-ml-in-methanol-cas-78-83-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_072ceea2-4fd2-4961-81ab-0be8a0ad3a2b.png?v=1752924015</image:loc>
      <image:title>*Isobutanol, 1000 µg/mL in Methanol, CAS # 78-83-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloroethane-1000-ug-ml-in-methanol-cas-76-01-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7d378ede-a52c-4a7f-9860-aa3fa44b209f.png?v=1752924019</image:loc>
      <image:title>*Pentachloroethane, 1000 µg/mL in Methanol, CAS # 76-01-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butanol-1000-ug-ml-in-methanol-cas-71-36-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b7744774-2ab2-477e-930c-2e9aced78f12.png?v=1752924023</image:loc>
      <image:title>*n-Butanol, 1000 µg/mL in Methanol, CAS # 71-36-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-nitropropane-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_381e2993-9c22-472a-88f2-d95511a8b502.png?v=1752924027</image:loc>
      <image:title>*2-Nitropropane, 1000 µg/mL In Methanol, CAS # 79-46-9. 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-acetate-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c3feb1b6-b8f9-4809-95d5-a6599dd516fa.png?v=1752924031</image:loc>
      <image:title>*Ethyl Acetate, 1000 µg/mL In Methanol, CAS # 141-78-6 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenylacetic-acid-methyl-ester-1000-ug-ml-in-mtbe-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_131937b0-6529-477a-bfd3-563f1d6fe539.png?v=1752924035</image:loc>
      <image:title>*2,4-Dichlorophenylacetic Acid Methyl Ester 1000 µg/mL In MtBE, CAS # 55954-23-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/perylene-1000-ug-ml-in-methylene-chloride-cas-198-55-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fe529f54-ea23-4502-b030-3ba1845ab68c.png?v=1752924039</image:loc>
      <image:title>*Perylene, 1000 µg/mL in Methylene Chloride, CAS # 198-55-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-2-trichlorotrifluoroethane-1000-ug-ml-in-methanol-cas-76-13-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8607eb63-e933-4edc-976d-096380975920.png?v=1752924043</image:loc>
      <image:title>*1,1,2-Trichlorotrifluoroethane, 1000 µg/mL in Methanol, CAS # 76-13-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzojfluoranthene-1000-ug-ml-in-methylene-chloride-cas-205-82-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_567c669a-86aa-4dc5-a1b7-3b86a7d182b5.png?v=1752924047</image:loc>
      <image:title>*Benzo(j)fluoranthene, 1000 µg/mL in Methylene Chloride, CAS # 205-82-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/deet-1000-ug-ml-in-methanol-cas-134-62-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2117050b-7215-4de9-ac23-960b83358350.png?v=1752924051</image:loc>
      <image:title>*DEET, 1000 µg/mL In Methanol, CAS # 134-62-3,  1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-hexanol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_18f1c3cc-7f50-44d6-855d-a2bc354f82e1.png?v=1752924055</image:loc>
      <image:title>*1-Hexanol, 1000 µg/mL In Methanol, CAS # 111-27-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloro-1-3-butadiene-chloroprene-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3bb51067-91b2-4846-9543-18473fa3cf84.png?v=1752924059</image:loc>
      <image:title>*2-Chloro-1,3-Butadiene (Chloroprene), 1000 µg/mL In Methanol, CAS # 126-99-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/glyphosate-cas-1071-83-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f84ecbba-f6f3-4518-a1e0-56b69e69be5f.png?v=1752924063</image:loc>
      <image:title>Glyphosate, 1000 µg/mL in Water, CAS # 1071-83-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthraquinone-1000-ug-ml-in-methylene-chloride-cas-84-65-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f5d0eb8f-72a8-447f-8e99-c65c3e431c55.png?v=1752924067</image:loc>
      <image:title>*Anthraquinone, 1000 µg/mL in Methylene Chloride, CAS # 84-65-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benomyl-1000-ug-ml-in-methanol-cas-17804-35-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9c44c428-a5a5-48bf-8bdc-1a22ac6a325f.png?v=1752924070</image:loc>
      <image:title>*Benomyl, 1000 µg/mL in Methanol, CAS # 17804-35-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/biphenyl-1000-ug-ml-in-methylene-chloride-cas-92-52-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a2b2063c-a46e-4fce-bdb6-77d47541e274.png?v=1752924074</image:loc>
      <image:title>*Biphenyl, 1000 µg/mL in Methylene Chloride, CAS # 92-52-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromoxynil-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_956fc9a5-aa1b-4ad9-a4b7-cfb28da3ebb8.png?v=1752923908</image:loc>
      <image:title>*Bromoxynil, 1000 µg/mL In Methanol, CAS # 1689-84-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coumaphos-1000-ug-ml-in-methanol-cas-56-72-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_dafe2090-935f-4da3-b86d-8d2634a18f68.png?v=1752923913</image:loc>
      <image:title>*Coumaphos, 1000 µg/mL in Methanol, CAS # 56-72-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cypermethrin-1000-ug-ml-in-acetonitrile-cas-52315-07-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_358fe34f-0fa8-4cb4-bb9b-55a3c7412faf.png?v=1752923917</image:loc>
      <image:title>*Cypermethrin, 1000 µg/mL in Acetonitrile, CAS # 52315-07-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-d-butoxyethanol-ester-1000-ug-ml-in-acetonitrile-cas-1929-73-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5fc71e67-11aa-482b-b915-26570ba6cae5.png?v=1752923920</image:loc>
      <image:title>*2,4-D, butoxyethanol ester, 1000 µg/mL in Acetonitrile, CAS # 1929-73-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tributyltin-chloride-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_118440c0-7ab4-4358-b903-9607c907333c.png?v=1752923925</image:loc>
      <image:title>*Tributyltin Chloride, 1000 µg/mL In Methanol, CAS # 1461-22-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlobenil-1000-ug-ml-in-methanol-cas-1194-65-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_4a5b5cff-85b3-4258-b0ff-1015596bad1f.png?v=1752923929</image:loc>
      <image:title>*Dichlobenil, 1000 µg/mL in Methanol, CAS # 1194-65-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicofol-1000-ug-ml-in-iso-octane-cas-115-32-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2e9c434e-94dd-4580-827c-79166804cbcc.png?v=1752923932</image:loc>
      <image:title>*Dicofol, 1000 µg/mL in iso-octane, CAS # 115-32-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diquat-1000-ug-ml-in-water-cas-6385-62-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_49d79ddc-1106-47e7-9c11-872e3874fe21.png?v=1752923936</image:loc>
      <image:title>*Diquat, 1000 µg/mL in Water, CAS # 6385-62-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/linuron-epa-method-632-1000-ug-ml-in-methanol-cas-330-55-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d3ca7ffd-f13c-49e6-93ec-7057a38ba715.png?v=1752923940</image:loc>
      <image:title>*Linuron, EPA Method 632, 1000 µg/mL in Methanol, CAS # 330-55-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/malathion-1000-ug-ml-in-methanol-cas-121-75-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_12816ba9-e1f3-49cb-8bdc-df8c1b781f61.png?v=1752923944</image:loc>
      <image:title>*Malathion, 1000 µg/mL in Methanol, CAS # 121-75-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/paraquat-1000-ug-ml-in-water-cas-1910-42-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_bd9bcb08-b614-4e9e-bf09-cfa1582adcd2.png?v=1752923948</image:loc>
      <image:title>Paraquat, 1000 µg/mL in Water, CAS # 1910-42-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-pentane-1000-ug-ml-in-methanol-cas-109-66-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9293974b-7583-416c-a678-64f036b0fdfe.png?v=1752923952</image:loc>
      <image:title>*n-Pentane, 1000 µg/mL in Methanol, CAS # 109-66-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/permethrin-mixed-isomers-1000-ug-ml-in-methanol-cas-52645-53-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9951e38e-4ee3-4043-b849-208a2c89fd84.png?v=1752923955</image:loc>
      <image:title>*Permethrin (mixed isomers), 1000 µg/mL in Methanol, CAS # 52645-53-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-phenylphenol-cas-90-43-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_eab958b7-59f5-4dc3-bc17-7bb7936e82da.png?v=1752923960</image:loc>
      <image:title>*o-Phenylphenol, 1000 µg/mL in Methanol, CAS # 90-43-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tralomethrin-1000-ug-ml-in-acetonitrile-cas-66841-25-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_329d592f-df94-4276-a273-fa22ab50dad3.png?v=1752923963</image:loc>
      <image:title>*Tralomethrin, 1000 µg/mL in Acetonitrile, CAS # 66841-25-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propanil-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_231e9f27-11c9-4e62-8ecc-a94dd53ddbe4.png?v=1752923967</image:loc>
      <image:title>*Propanil, 1000 µg/mL In Methanol, CAS # 709-98-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/6-methylchrysene-1000-ug-ml-in-methylene-chloride-cas-1705-85-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7867e749-c5cc-44db-bdc0-37a6e10e02c6.png?v=1752923971</image:loc>
      <image:title>*6-Methylchrysene, 1000 µg/mL in Methylene Chloride, CAS # 1705-85-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroquinone-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5fb7c40f-6dd1-41b6-abdf-d89dfe0b9663.png?v=1752923975</image:loc>
      <image:title>*Hydroquinone, 1000 µg/mL In Methanol, CAS # 123-31-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/azinphos-methyl-cas-86-50-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_177454a9-06ee-4a60-a8ab-943e6b4e77f2.png?v=1752923980</image:loc>
      <image:title>*Azinphos methyl, 1000 µg/mL in Methanol, CAS # 86-50-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-hexane-cas-110-54-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_928b60d1-f927-47c7-8e26-f028152ca712.png?v=1752923983</image:loc>
      <image:title>*n-Hexane, 1000 µg/mL in Methanol, CAS # 110-54-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-heptane-1000-ug-ml-in-methanol-cas-142-82-5-absolute-standards-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a72c76be-2db6-457b-8f0c-fff28cc77bea.png?v=1752923987</image:loc>
      <image:title>*n-Heptane, 1000 µg/mL in Methanol, CAS # 142-82-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-tridecane-cas-00629-50-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e26af8da-5c6e-4f11-aec9-26ce76ec5719.png?v=1752923991</image:loc>
      <image:title>*n-Tridecane, 1000 µg/mL in Methanol CAS # 629-50-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-docosane-1000-ug-ml-in-methylene-chloride-cas-629-97-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_95e86aee-4c71-4927-8a3e-6a2fc7fc22db.png?v=1752923994</image:loc>
      <image:title>*n-Docosane, 1000 µg/mL in Methylene Chloride, CAS # 629-97-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiophene-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_90b5df17-7836-4231-9832-f2585af8d11f.png?v=1752923998</image:loc>
      <image:title>*Thiophene, 1000 µg/mL In Methanol, CAS # 110-02-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-n-nonylphenol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b9c2f097-c5bd-4009-9833-9229ea9db9ba.png?v=1752924002</image:loc>
      <image:title>*4-N-Nonylphenol, 1000 µg/mL In Methanol, CAS # 104-40-5, ABS, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-propanol-cas-71-23-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_102ec280-8acf-440a-ae6d-324d2de31ff8.png?v=1752924006</image:loc>
      <image:title>*n-Propanol, 1000 µg/mL in Methanol, CAS # 71-23-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoepyrene-1000-ug-ml-in-methylene-chloride-cas-192-97-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f7f69543-ef0f-4f34-be9f-99867c235d4d.png?v=1752924010</image:loc>
      <image:title>*Benzo(e)pyrene, 1000 µg/mL in Methylene Chloride, CAS # 192-97-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phytane-1000-ug-ml-in-methanol-cas-638-36-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2ac9e0eb-18b0-45e9-aaf2-57a4208e2a86.png?v=1752924014</image:loc>
      <image:title>*Phytane, 1000 µg/mL in Methanol, CAS # 638-36-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyclohexane-1000-ug-ml-in-methanol-cas-110-82-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ceff5853-e113-4ac3-b894-8fe7bd9df066.png?v=1752924018</image:loc>
      <image:title>*Cyclohexane, 1000 µg/mL in Methanol, CAS # 110-82-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-methyl-1-butanol-1000-ug-ml-in-methanol-cas-123-51-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1534e691-1ec4-4d40-ac45-9907faf41813.png?v=1752924022</image:loc>
      <image:title>*3-Methyl-1-butanol, 1000 µg/mL in Methanol, CAS # 123-51-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-pentanol-1000-ug-ml-in-methanol-cas-71-41-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_96a46162-6d18-40f2-8dcc-2cc098e640a2.png?v=1752924025</image:loc>
      <image:title>*1-Pentanol, 1000 µg/mL in Methanol, CAS # 71-41-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sec-butanol-1000-ug-ml-in-methanol-cas-78-92-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a2610c6b-fff0-4bbd-bd23-81676e0afb1d.png?v=1752924029</image:loc>
      <image:title>*sec-Butanol, 1000 µg/mL in Methanol, CAS # 78-92-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-acetate-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f8f1bc7c-5634-4f3d-87e4-3a3519f33864.png?v=1752924033</image:loc>
      <image:title>*Methyl Acetate, 1000 µg/mL In Methanol, CAS # 79-20-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-trimethylpyrazine-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0efff34d-064d-4f1d-8666-a964c07f4764.png?v=1752924043</image:loc>
      <image:title>*2,3,5-Trimethylpyrazine, 1000 µg/mL In Methanol, CAS # 14667-55-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methylanthracene-cas-613-12-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_efc0ca0d-523a-42b9-a599-d739f19fbf10.png?v=1752924047</image:loc>
      <image:title>*2-Methylanthracene, 1000 µg/mL in Methylene Chloride, CAS # 613-12-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-difluorotetrachloroethane-1000-ug-ml-in-methanol-cas-76-12-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7f2253f8-7d19-4dfb-a502-a6273908bef7.png?v=1752924051</image:loc>
      <image:title>*1,2-Difluorotetrachloroethane, 1000 µg/mL in Methanol, CAS # 76-12-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenyl-ether-1000-ug-ml-in-methylene-chloride-cas-101-84-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7657fdaf-bbd9-43fd-83a7-50b80f20dea8.png?v=1752924055</image:loc>
      <image:title>*Phenyl ether, 1000 µg/mL in Methylene Chloride, CAS # 101-84-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromopropionic-acid-1000-ug-ml-in-mtbe-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b607e6d0-7cf7-423b-a5db-1ac6ed695c3e.png?v=1752924059</image:loc>
      <image:title>*2-Bromopropionic acid, 1000 µg/mL in MTBE, CAS # 589-72-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicyclohexylamine-1000-ug-ml-in-methanol-cas-101-83-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b3cc32d2-fc70-48cc-b8aa-9f45ebabf606.png?v=1752924063</image:loc>
      <image:title>*Dicyclohexylamine, 1000 µg/mL in Methanol, CAS # 101-83-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-toluidine-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2e3ed604-3db1-43b1-a62b-7af11f1904b3.png?v=1752924067</image:loc>
      <image:title>*P-Toluidine, 1000 µg/mL In Methanol, CAS # 106-49-0,  1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenoxyacetic-acid-1000-ug-ml-in-mtbe-cas-575-89-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b43a045b-1dd5-454f-b2c6-f8ffab81bed9.png?v=1752924070</image:loc>
      <image:title>*2,4,6-Trichlorophenoxyacetic acid, 1000 µg/mL in MTBE, CAS # 575-89-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/caffeine-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5f46e13c-241b-42db-a3fb-a70a76fc73f6.png?v=1752924075</image:loc>
      <image:title>*Caffeine, 1000 µg/mL In Methanol, CAS # 58-08-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-butoxyethanol-1000-ug-ml-in-methanol-cas-111-76-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_57848cbb-6ee5-4c43-a645-6553ca56e59f.png?v=1752924078</image:loc>
      <image:title>*2-Butoxyethanol, 1000 µg/mL in Methanol, CAS # 111-76-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triethylene-glycol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d933eb39-6e0a-4422-b8a2-c290e27b95fb.png?v=1752924082</image:loc>
      <image:title>*Triethylene Glycol, 1000 µg/mL In Methanol, CAS # 112-27-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetraethylene-glycol-1000-ug-ml-in-methanol-cas-112-60-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2411cfb3-4af0-422a-b699-4a2e3c14e70d.png?v=1752924086</image:loc>
      <image:title>*Tetraethylene glycol, 1000 µg/mL in Methanol, CAS # 112-60-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-1-4-dichloro-2-butene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_9883ddd6-9f20-459e-9b3a-938581f1ac08.png?v=1752924090</image:loc>
      <image:title>*cis-1,4-Dichloro-2-butene, 1000 µg/mL in Methanol, CAS # 1476-11-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-ethylhexylphthalate-3-4-5-6-d4-1000-ug-ml-in-methanol-cas-93951-87-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0c8ecb8e-960e-4f61-916d-b4fb7bf916a6.png?v=1752924094</image:loc>
      <image:title>*bis(2-Ethylhexyl)phthalate-3,4,5,6-d4, 1000 µg/mL in Methanol, CAS # 93951-87-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methanol-1000-ug-ml-in-water-cas-67-56-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fac1068a-2feb-42be-b69b-fc783d081aef.png?v=1752924098</image:loc>
      <image:title>*Methanol, 1000 µg/mL in Water, CAS # 67-56-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichlorotetrafluoroethane-cas-76-14-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ebb7305e-698e-4b4f-9023-6c0f01e1ff8a.png?v=1752924102</image:loc>
      <image:title>*1,2-Dichlorotetrafluoroethane, 1000 µg/mL, CAS # 76-14-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-acetate-1000-ug-ml-in-methanol-cas-110-19-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8fe40433-3be6-4ccd-8249-21d9c6af0d8e.png?v=1752924079</image:loc>
      <image:title>*Isobutyl acetate, 1000 µg/mL in Methanol, CAS # 110-19-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzyl-phthalate-1000-ug-ml-in-methanol-cas-523-31-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ab335de7-34ce-442d-a0b4-3a8cde6e401d.png?v=1752924084</image:loc>
      <image:title>*Dibenzyl phthalate, 1000 µg/mL in Methanol, CAS # 523-31-9. 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/methyl-disulfide-1000-ug-ml-in-methanol-cas-624-92-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e0cf5563-884a-4cf2-af69-0a3a062fe110.png?v=1752924087</image:loc>
      <image:title>*Methyl disulfide, 1000 µg/mL in Methanol, CAS # 624-92-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/2-3-dichlorophenol-1000-ug-ml-in-methanol-cas-576-24-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c18d4130-4f36-4c82-8dd0-3a3dfd422fa7.png?v=1752924091</image:loc>
      <image:title>*2,3-Dichlorophenol, 1000 µg/mL in Methanol, CAS # 576-24-9, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-5-dichlorophenol-1000-ug-ml-in-methanol-cas-583-78-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_dd1e87fb-5a93-49eb-a877-fc96e355516f.png?v=1752924095</image:loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/3-4-dichlorophenol-1000-ug-ml-in-methanol-cas-95-77-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_69794e5c-b1f5-49aa-aa7c-a787de4442b1.png?v=1752924098</image:loc>
      <image:title>*3,4-Dichlorophenol, 1000 µg/mL in Methanol, CAS # 95-77-2, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/3-5-dichlorophenol-1000-ug-ml-in-methanol-cas-591-35-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_6ab7fae7-1a23-47ce-b3fc-b026035e03d4.png?v=1752924102</image:loc>
      <image:title>*3,5-Dichlorophenol, 1000 µg/mL in Methanol, CAS # 591-35-5, 1 mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://chromspec.com/products/2-naphthol-1000-ug-ml-in-methanol-cas-135-19-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_63fe3b91-0a1f-4a7d-8594-7e90dfa0e740.png?v=1752924106</image:loc>
      <image:title>*2-Naphthol, 1000 µg/mL in Methanol, CAS # 135-19-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiethanolamine-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_035fec1c-b073-4c73-8ccf-2e92aa7993c8.png?v=1752924110</image:loc>
      <image:title>*N-Nitrosodiethanolamine, 1000 µg/mL in Methanol, CAS # 1116-54-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrososarcosine-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e79e686e-68c9-4b09-9f47-cc163abc37ae.png?v=1752924114</image:loc>
      <image:title>*N-Nitrososarcosine, 1000 µg/mL In Methanol, CAS # 13256-22-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/1-methylfluorene-1000-ug-ml-in-methanol-cas-1730-37-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b8247134-f6cf-4db1-9f01-e1868fe7f82e.png?v=1752924118</image:loc>
      <image:title>*1-Methylfluorene, 1000 µg/mL in Methanol, CAS # 1730-37-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://chromspec.com/products/2-4-di-tert-butylphenol-cas-96-76-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c746eb44-c946-4eca-902d-3ed980b97b31.png?v=1752924128</image:loc>
      <image:title>*2,4-Di-tert-butylphenol, 1000 µg/mL in Methylene Chloride, CAS # 96-76-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-methylpyrene-cas-2381-21-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_fc143241-7957-4a59-a200-00cc2b8cbe93.png?v=1752924137</image:loc>
      <image:title>*1-Methylpyrene, 1000 µg/mL in Methylene Chloride, CAS # 2381-21-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-methylphenanthrene-cas-832-69-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_8740b80c-ba97-4cb8-affa-0d37f0fa3cdb.png?v=1752924141</image:loc>
      <image:title>*1-Methylphenanthrene, 1000 µg/mL in Methylene Chloride, CAS # 832-69-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorodifluoromethane-1000-ug-ml-in-methanol-cas-75-45-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_78c5014a-ee4d-4849-af22-cf844195bb90.png?v=1752924145</image:loc>
      <image:title>*Chlorodifluoromethane, 1000 µg/mL in Methanol, CAS # 75-45-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-n-butoxyethyl-phthalate-1000-ug-ml-in-methanol-cas-117-83-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_acf3ed23-ffb6-4d06-89a5-0c662f8bfcb5.png?v=1752924149</image:loc>
      <image:title>*bis(2-n-Butoxyethyl) phthalate, 1000 µg/mL in Methanol, CAS # 117-83-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethoxy-ethyl-phthalate-1000-ug-ml-in-methanol-cas-117-82-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_85b1099b-36f5-4fb0-b0d1-8585b3f614ec.png?v=1752924152</image:loc>
      <image:title>*Dimethoxy ethyl phthalate, 1000 µg/mL in Methanol, CAS # 117-82-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis4-methyl-2-pentyl-phthalate-1000-ug-ml-in-methanol-cas-146-50-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e962d9bf-a233-4277-8b3d-78e1adeadeb6.png?v=1752924156</image:loc>
      <image:title>*bis(4-Methyl-2-pentyl) phthalate, 1000 µg/mL in Methanol, CAS # 146-50-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-amyl-phthalate-1000-ug-ml-in-methanol-cas-131-18-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_e9f938f6-e19e-4480-9cf4-181cf48ffb53.png?v=1752924160</image:loc>
      <image:title>*Di-n-amyl phthalate, 1000 µg/mL in Methanol, CAS # 131-18-0, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-hexyl-phthalate-1000-ug-ml-in-methanol-cas-84-75-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_051a0d33-b92d-4a33-bb38-983fd8d0a6a5.png?v=1752924164</image:loc>
      <image:title>*Di-n-hexyl phthalate, 1000 µg/mL in Methanol, CAS # 84-75-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-isobutyl-phthalate-1000-ug-ml-in-methanol-cas-84-69-5-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7fc78484-396e-4a78-8bc7-ede1c85801c9.png?v=1752924168</image:loc>
      <image:title>*Di-Isobutyl Phthalate, 1000 µg/mL in Methanol, CAS # 84-69-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzothiazole-1000-ug-ml-in-methanol-cas-95-16-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_be425879-a93b-427b-aa01-5db08b6d5550.png?v=1752924172</image:loc>
      <image:title>*Benzothiazole, 1000 µg/mL in Methanol, CAS # 95-16-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-5-trichlorophenol-1000-ug-ml-in-methylene-chloride-cas-609-19-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_132e6db4-61b5-41a1-93e8-5216ce120737.png?v=1752924175</image:loc>
      <image:title>*3,4,5-Trichlorophenol, 1000 µg/mL in Methylene Chloride, CAS # 609-19-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-1-3-dichloro-1-propene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_87e92ca1-e6b7-42f3-8263-5c3500d299c8.png?v=1752924179</image:loc>
      <image:title>*Trans-1,3-Dichloro-1-Propene, 1000 µg/mL in Methanol, CAS # 10061-02-6,  1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-1-3-dichloro-1-propene-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3ea82320-a02a-4622-836b-6ad53e5edbbc.png?v=1752924183</image:loc>
      <image:title>*Cis-1,3-Dichloro-1-Propene, 1000 µg/mL in Methanol, CAS # 	10061-01-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/atrazine-desisopropyl-1000-ug-ml-in-acetone-cas-1007-28-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_93fd54e9-aa0f-46b1-9ef2-5a15f138f550.png?v=1752924187</image:loc>
      <image:title>*Atrazine-desisopropyl, 1000 µg/mL in Acetone, CAS # 1007-28-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisononyl-phthalate-mix-of-isomers-1000-ug-ml-in-methanol-cas-28553-12-0-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_1a6a1879-86a7-47b2-821f-c2d84d23629a.png?v=1752924190</image:loc>
      <image:title>*Diisononyl phthalate (Mix of Isomers), 1000 µg/mL in Methanol, CAS # 28553-12-0, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/5-methylchrysene-1000-ug-ml-in-methylene-chloride-cas-3697-24-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_116dbd32-2d76-4da8-8930-5450b652c63e.png?v=1752924194</image:loc>
      <image:title>*5-Methylchrysene, 1000 µg/mL in Methylene Chloride, CAS # 3697-24-3, 1 mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/menthone-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_92ca9211-e840-444a-b646-be4a95ed7f22.png?v=1752924198</image:loc>
      <image:title>*(-)-Menthone, 1000 µg/mL In Methanol, CAS # 14073-97-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/s-carvone-1000-ug-ml-in-methanol-cas-2244-16-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_4fbf4a3b-476e-4b1a-9e43-330d968dff03.png?v=1752924202</image:loc>
      <image:title>*(S)-(+)-Carvone, 1000 µg/mL in Methanol, CAS # 2244-16-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cineole-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ee3c79cb-dfed-43d1-b87b-6b8009a98cd8.png?v=1752924206</image:loc>
      <image:title>*1,8-Cineole, 1000 µg/mL In Methanol, CAS # 470-82-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoamyl-acetate-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3d2a0c89-e446-468c-a1fa-b928cb578c3f.png?v=1752924210</image:loc>
      <image:title>*Isoamyl Acetate, 1000 µg/mL In Methanol, CAS # 123-92-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiisopropylamine-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_bb5c9e79-dafa-4cc1-b09d-5a3ef41eb919.png?v=1752924214</image:loc>
      <image:title>*N-Nitrosodiisopropylamine, 1000 µg/mL in Methylene Chloride, CAS # 601-77-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoprene-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f8332424-7784-448d-b2f1-7676007ea15f.png?v=1752924219</image:loc>
      <image:title>*Isoprene, 1000 µg/mL In Methanol, CAS # 78-79-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-trimethylnaphthalene-1000-ug-ml-in-methylene-chloride-cas-2245-38-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_7c0ed1fe-2f00-4841-b992-9f98aa10954b.png?v=1752924223</image:loc>
      <image:title>*2,3,5-Trimethylnaphthalene, 1000 µg/mL in Methylene Chloride, CAS # 2245-38-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-di-tert-butylphenol-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_5998d445-c086-4394-bbde-0d8ee1fab4fa.png?v=1752924227</image:loc>
      <image:title>*2,6-Di-Tert-Butylphenol, 1000 µg/mL In Methanol, CAS # 128-39-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/vanillin-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_22da00b8-e7e8-4d3d-8d43-3e0fdfaf3012.png?v=1752924231</image:loc>
      <image:title>*Vanillin, 1000 µg/mL In Methanol, CAS # 121-33-5, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-butyraldehyde-1000-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a9e3ec56-c014-436c-83d7-35cfa8b0c2f4.png?v=1752924235</image:loc>
      <image:title>*N-Butyraldehyde, 1000 µg/mL In Water, CAS # 123-72-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fenbutatin-oxide-cas-13356-08-6-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ba922e16-f0e0-4222-959f-cbd1123dac39.png?v=1752924238</image:loc>
      <image:title>*Fenbutatin-oxide, 1000 µg/mL in Toluene, CAS # 13356-08-6, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dinitroanisole-1000-ug-ml-in-methanol-cas-119-27-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_93245d14-d6a8-4da9-bcc9-eeb350202e71.png?v=1752924242</image:loc>
      <image:title>*2,4-Dinitroanisole, 1000 µg/mL In Methanol, CAS # 119-27-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-beta-carotene-1000-ug-ml-in-methylene-chloride-cas-7235-40-7-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a95bce7f-ff66-4be9-afb3-7993354329aa.png?v=1752924246</image:loc>
      <image:title>*trans-beta-Carotene, 1000 µg/mL in Methylene Chloride, CAS # 7235-40-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/caprolactam-1000-ug-ml-in-methanol-cas-105-60-2-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_2879ae5a-19a0-4e4c-b491-bf2f2da78a98.png?v=1752924251</image:loc>
      <image:title>*Caprolactam, 1000 µg/mL in Methanol, CAS # 105-60-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenylacetic-acid-1000-ug-ml-methylene-chloride-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0709ff29-e214-41e0-8960-776ca5a99a66.png?v=1752924255</image:loc>
      <image:title>*Phenylacetic Acid, 1000 µg/mL Methylene Chloride, CAS # 103-82-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imidacloprid-1000-ug-ml-in-methanol-cas-138261-41-3-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_c9f050d9-79c1-4dc2-a464-cc3117ce12b9.png?v=1752924258</image:loc>
      <image:title>*Imidacloprid, 1000 µg/mL in Methanol, CAS # 138261-41-3, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaldehyde-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_d894d7a8-16b8-4806-8aa1-ed20e7bfd2ac.png?v=1752924263</image:loc>
      <image:title>*Benzaldehyde, 1000 µg/mL in Methylene Chloride, CAS # 100-52-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyraldehyde-1000-ug-ml-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_df8ff120-c651-4557-8fe6-57de81a00f07.png?v=1752924267</image:loc>
      <image:title>*Isobutyraldehyde, 1000 µg/mL Water, CAS # 78-84-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyruvic-aldehyde-1000-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_3ba4edc3-be10-4d18-8532-c2647933110e.png?v=1752924271</image:loc>
      <image:title>*Pyruvic Aldehyde, 1000 µg/mL In Water, CAS # 78-98-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-5-dinitroaniline-1000-ug-ml-in-acetonitrile-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_ee84d840-05d9-4f0f-8924-337b03399137.png?v=1752924107</image:loc>
      <image:title>*3,5-Dinitroaniline, 1000 µg/mL In Acetonitrile, CAS # 618-87-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-dinitrotoluene-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_f1638d24-87c7-4b66-958c-984522ef4471.png?v=1752924111</image:loc>
      <image:title>*3,4-Dinitrotoluene, 1000 µg/mL In Methanol, CAS # 610-39-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-n-bis1-4-dimethylpentyl-1-4-phenylenediamine-cas-03081-14-9-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_0c12c21a-9f5b-4134-96de-d7e27c2fc0b0.png?v=1752924115</image:loc>
      <image:title>*N,N’-bis(1,4-Dimethylpentyl)-1,4-phenylenediamine, 1000 µg/mL in Methylene Chloride, CAS # 3081-14-9, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-phenyl-n-cyclohexyl-p-phenylenediamine-1000-ug-ml-in-methylene-chloride-cas-00101-87-1-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a6be3848-7277-4b5b-bcf9-d4a5de738428.png?v=1752924119</image:loc>
      <image:title>*N-Phenyl-N’-cyclohexyl-p-phenylenediamine, 1000 µg/mL in Methylene Chloride, CAS # 101-87-1, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-phenyl-n-isopropyl-p-phenylenediamine-1000-ug-ml-in-methylene-chloride-cas-00101-72-4-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_a4dd1acd-c15f-4869-97b8-ad0301a23fc0.png?v=1752924123</image:loc>
      <image:title>*N-Phenyl-N’-isopropyl-p-phenylenediamine, 1000 µg/mL in Methylene Chloride, CAS # 101-72-4, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-phenyl-n-1-3-dimethylbutyl-p-phenylenediamine-1000-ug-ml-in-methylene-chloride-cas-793-24-8-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b1b0f66b-9578-472c-a4a3-bc5140f3ca79.png?v=1752924127</image:loc>
      <image:title>*N-Phenyl-N’-(1,3-dimethylbutyl)-p-phenylenediamine, 1000 µg/mL in Methylene Chloride, CAS # 793-24-8, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetic-acid-1000-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_88e0d8e4-6036-454d-bce0-68dae582997c.png?v=1752924132</image:loc>
      <image:title>*Acetic Acid, 1000 µg/mL In Water, CAS # 64-19-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyric-acid-1000-ug-ml-in-water-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_78720dad-c9bc-437a-bd1a-c7d24ca422b4.png?v=1752924136</image:loc>
      <image:title>Isobutyric Acid, 1000 µg/mL In Water, CAS  # 	79-31-2, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bisphenol-a-1000-ug-ml-in-methanol-1-ml</loc>
    <lastmod>2026-06-02T16:35:03-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Absolute_20Standard_20Amber_20Ampule_201280_20x1280_b39a53c9-9ef5-4c51-927b-db20bd64d7cc.png?v=1752924145</image:loc>
      <image:title>*Bisphenol A, 1000 µg/mL In Methanol, CAS # 80-05-7, 1 mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
</urlset>
