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      <image:title>WHEATON® Leak Resistant Bottle, 125 mL, 50 x 101 mm, Amber, HDPE, 24-410 Polypropylene Screw Cap, 72/pk</image:title>
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    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
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    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
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    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
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    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
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      <image:title>*Working Level CLP Pesticide Daily QC Mix B, Varied conc. in Isooctane, 100 mL</image:title>
      <image:caption>Image of A024RWL4X100ML - Working Level CLP Pesticide Daily QC Mix B, Varied conc. in Isooctane, 100 mL</image:caption>
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    <loc>https://chromspec.com/products/pesticide-surrogate-mix-0-2-ug-ml-in-acetone-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b609a3bd-b5fd-4d07-93cc-069db6c4448a.jpg?v=1761264389</image:loc>
      <image:title>*Pesticide Surrogate Mix, 0.2 µg/mL in Acetone, 10 mL</image:title>
      <image:caption>Image of A032RWL02X10ML - Pesticide Surrogate Mix, 0.2 µg/mL in Acetone, 10 mL</image:caption>
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  <url>
    <loc>https://chromspec.com/products/pesticide-surrogate-mix-0-2-ug-ml-in-acetone-50-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d0ddbe09-265c-4af1-a89c-47803e0c2de6.jpg?v=1761264393</image:loc>
      <image:title>*Pesticide Surrogate Mix, 0.2 µg/mL in Acetone, 50 mL</image:title>
      <image:caption>Image of A032RWL02X50ML - Pesticide Surrogate Mix, 0.2 µg/mL in Acetone, 50 mL</image:caption>
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  <url>
    <loc>https://chromspec.com/products/pesticide-surrogate-mix-5-0-ug-ml-in-acetone-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:caption>Image of A032RWL5X100ML - Pesticide Surrogate Mix, 5.0 µg/mL in Acetone, 100 mL</image:caption>
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  <url>
    <loc>https://chromspec.com/products/chlorobenzene-neat-cas-108-90-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:caption>Image of AA001 - Chlorobenzene, Neat, CAS # 108-90-7, 100 mg</image:caption>
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  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichlorobenzene-neat-cas-95-50-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA002 - 1,2-Dichlorobenzene, Neat, CAS # 95-50-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-dichlorobenzene-neat-cas-541-73-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA003 - 1,3-Dichlorobenzene, Neat, CAS # 541-73-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dichlorobenzene-neat-cas-106-46-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA004 - 1,4-Dichlorobenzene, Neat, CAS # 106-46-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichlorobenzene-neat-cas-87-61-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA005 - 1,2,3-Trichlorobenzene, Neat, CAS # 87-61-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-trichlorobenzene-neat-cas-120-82-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA006 - 1,2,4-Trichlorobenzene, Neat, CAS # 120-82-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trichlorobenzene-neat-cas-108-70-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA007 - 1,3,5-Trichlorobenzene, Neat, CAS # 108-70-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-4-tetrachlorobenzene-neat-cas-634-66-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA008 - 1,2,3,4-Tetrachlorobenzene, Neat, CAS # 634-66-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-5-tetrachlorobenzene-neat-cas-634-90-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA009 - 1,2,3,5-Tetrachlorobenzene, Neat, CAS # 634-90-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-4-5-tetrachlorobenzene-neat-cas-95-94-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA010 - 1,2,4,5-Tetrachlorobenzene, Neat, CAS # 95-94-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorobenzene-neat-cas-608-93-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA011 - Pentachlorobenzene, Neat, CAS # 608-93-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-neat-cas-118-74-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA012 - Hexachlorobenzene, Neat, CAS # 118-74-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-neat-cas-95-57-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA013 - 2-Chlorophenol, Neat, CAS # 95-57-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-chlorophenol-neat-cas-108-43-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA014 - 3-Chlorophenol, Neat, CAS # 108-43-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenol-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA015 - 4-Chlorophenol, Neat, CAS # 106-48-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-dichlorophenol-neat-cas-576-24-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA016 - 2,3-Dichlorophenol, Neat, CAS # 576-24-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dichlorophenol-neat-cas-120-83-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA017 - 2,4-Dichlorophenol, Neat, CAS # 120-83-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-5-dichlorophenol-neat-cas-583-78-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA018 - 2,5-Dichlorophenol, Neat, CAS # 583-78-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-neat-cas-87-65-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA019 - 2,6-Dichlorophenol, Neat, CAS # 87-65-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-dichlorophenol-neat-cas-95-77-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA020 - 3,4-Dichlorophenol, Neat, CAS # 95-77-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-5-dichlorophenol-neat-cas-591-35-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA021 - 3,5-Dichlorophenol, Neat, CAS # 591-35-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-trichlorophenol-neat-cas-15950-66-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA022 - 2,3,4-Trichlorophenol, Neat, CAS # 15950-66-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-trichlorophenol-neat-cas-933-78-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA023 - 2,3,5-Trichlorophenol, Neat, CAS # 933-78-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-6-trichlorophenol-neat-cas-933-75-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA024 - 2,3,6-Trichlorophenol, Neat, CAS # 933-75-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-5-trichlorophenol-neat-cas-95-95-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA025 - 2,4,5-Trichlorophenol, Neat, CAS # 95-95-4, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AA025S5X - 2,4,5-Trichlorophenol, 1000 µg/mL in MeOH, CAS # 95-95-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-6-trichlorophenol-cas-88-06-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA026 - 2,4,6-Trichlorophenol, Neat, CAS # 88-06-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-4-5-trichlorophenol-cas-609-19-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA027 - 3,4,5-Trichlorophenol, Neat, CAS # 609-19-8, 10 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-5-tetrachlorophenol-cas-4901-51-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA028 - 2,3,4,5-Tetrachlorophenol, Neat, CAS # 4901-51-3, 5 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-4-6-tetrachlorophenol-cas-58-90-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA02910MG - 2,3,4,6-Tetrachlorophenol, Neat, CAS # 58-90-2, 10 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-6-tetrachlorophenol-cas-935-95-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA030 - 2,3,5,6-Tetrachlorophenol, Neat, CAS # 935-95-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-5-6-tetrachlorophenol-cas-935-95-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA03010MG - 2,3,5,6-Tetrachlorophenol, Neat, CAS # 935-95-5, 10 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-cas-87-86-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AA031 - Pentachlorophenol, Neat, CAS # 87-86-5, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AAA01N1 - Aluminum AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA01N5 - Aluminum AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA02N1 - Antimony AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Tartaric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA02N5 - Antimony AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Tartaric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA03N1 - Arsenic AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA03N5 - Arsenic AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA04N1 - Barium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA04N5 - Barium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/boron-aa-standard-1000-ug-ml-in-water-tr-nh4oh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA07W1 - Boron AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/boron-aa-standard-1000-ug-ml-in-water-tr-ammonium-hydroxide</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA07W5 - Boron AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA08N1 - Cadmium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cadmium-aa-standard-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA08N5 - Cadmium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA09N1 - Calcium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA09N5 - Calcium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA13N1 - Chromium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA13N5 - Chromium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA14N1 - Cobalt AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cobalt-aa-standard-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA14N5 - Cobalt AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA15N1 - Copper AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA15N5 - Copper AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA27N1 - Iron AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA27N5 - Iron AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA29N1 - Lead AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA29N5 - Lead AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA30N1 - Lithium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA30N5 - Lithium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA32N1 - Magnesium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA32N5 - Magnesium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA33N1 - Manganese AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA33N5 - Manganese AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-aa-standard-1000-ug-ml-in-10-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA34NR1 - Mercury AA Standard, 1000 µg/mL in 10% Nitric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-aa-standard-1000-ug-ml-in-10-nitric-acid-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA34NR5 - Mercury AA Standard, 1000 µg/mL in 10% Nitric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/molybdenum-aa-standard-1000-ug-ml-in-water-dilute-nh4oh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA35W1 - Molybdenum AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/molybdenum-aa-standard-1000-ug-ml-in-water-tr-ammonium-hydroxide</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA35W5 - Molybdenum AA Standard, 1000 µg/mL in Water, tr Ammonium hydroxide, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA37N1 - Nickel AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA37N5 - Nickel AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phosphorus-aa-standard-1000-ug-ml-in-water-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA41W1 - Phosphorus AA Standard, 1000 µg/mL in Water, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phosphorus-aa-standard-1000-ug-ml-in-water-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA41W5 - Phosphorus AA Standard, 1000 µg/mL in Water, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA43N1 - Potassium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA43N5 - Potassium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA51N1 - Selenium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA51N5 - Selenium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA52W1 - Silicon AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA52W5 - Silicon AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA53N1 - Silver AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA53N5 - Silver AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA54N1 - Sodium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA54N5 - Sodium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA55N1 - Strontium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA55N5 - Strontium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-aa-standard-1000-ug-ml-in-water-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA56W1 - Sulfur AA Standard, 1000 µg/mL in Water, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sulfur-aa-standard-1000-ug-ml-in-water</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA56W5 - Sulfur AA Standard, 1000 µg/mL in Water, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thallium-aa-standard-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA60N1 - Thallium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thallium-aa-std-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA60N5 - Thallium AA Std, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tin-aa-standard-1000-ug-ml-in-water-tr-hf</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA63N1 - Tin AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA63N5 - Tin AA Standard, 1000 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/titanium-aa-standard-1000-ug-ml-in-water-tr-hf</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA64W1 - Titanium AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/titanium-aa-standard-1000-ug-ml-in-water-tr-hf-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAA64W5 - Titanium AA Standard, 1000 µg/mL in Water, tr Hydrofluoric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA67N1 - Vanadium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA67N5 - Vanadium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA69N1 - Yttrium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA69N5 - Yttrium AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAA70N1 - Zinc AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAA70N5 - Zinc AA Standard, 1000 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-1-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00010 - Pesticide Mix 1, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-1-varied-conc-in-toluene-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0001010ML - Pesticide Mix 1, Varied conc. in Toluene, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-2-10-0-ug-ml-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00011 - Pesticide Mix 2, 10.0 µg/mL in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-2-10-0-ug-ml-in-toluene-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0001110ML - Pesticide Mix 2, 10.0 µg/mL in Toluene, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-3-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00012 - Pesticide Mix 3, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-4-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00013 - Pesticide Mix 4, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-5-varied-conc-in-ethyl-acetate-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00014 - Pesticide Mix 5, Varied conc. in Ethyl acetate, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-5-varied-conc-in-ethyl-acetate-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0001410ML - Pesticide Mix 5, Varied conc. in Ethyl acetate, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-6-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00015 - Pesticide Mix 6, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-7-varied-conc-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00016 - Pesticide Mix 7, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-8-varied-conc-in-toluene-acetone-hexane-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00017 - Pesticide Mix 8, Varied conc. in Toluene:Acetone:Hexane (90:5:5), 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-8-varied-conc-in-toluene-acetone-hexane-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0001710ML - Pesticide Mix 8, Varied conc. in Toluene:Acetone:Hexane (90:5:5), 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-9-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00018 - Pesticide Mix 9, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-10-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00019 - Pesticide Mix 10, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-11-10-0-ug-ml-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00020 - Pesticide Mix 11, 10.0 µg/mL in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-11-10-0-ug-ml-in-toluene-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0002010ML - Pesticide Mix 11, 10.0 µg/mL in Toluene, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-12-toluene-acetone-90-10</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00021R1 - Pesticide Mix 12, Varied conc. in Toluene:Acetone (90:10), 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-13-varied-conc-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00022 - Pesticide Mix 13, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-13-varied-conc-in-toluene-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0002210ML - Pesticide Mix 13, Varied conc. in Toluene, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-14-varied-conc-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00023 - Pesticide Mix 14, Varied conc. in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-14-varied-conc-in-toluene-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0002310ML - Pesticide Mix 14, Varied conc. in Toluene, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00024 - Pesticide Mix 15, 0.02 µg/mL in Ethyl acetate, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE0002410ML - Pesticide Mix 15, 0.02 µg/mL in Ethyl acetate, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-1-varied-conc-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00025 - PAH Mix 1, Varied conc. in Acetonitrile, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-1-varied-conc-in-acetonitrile-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0002510ML - PAH Mix 1, Varied conc. in Acetonitrile, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-17-10-0-ug-ml-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00027 - Pesticide Mix 17, 10.0 µg/mL in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-18-10-0-ug-ml-in-toluene-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00028 - Pesticide Mix 18, 10.0 µg/mL in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-18-10-0-ug-ml-in-toluene-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0002810ML - Pesticide Mix 18, 10.0 µg/mL in Toluene, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-19-10-0-ug-ml-in-toluene-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00029 - Pesticide Mix 19, 10.0 µg/mL in Toluene, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-19-10-0-ug-ml-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0002910ML - Pesticide Mix 19, 10.0 µg/mL in Toluene, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-16-10-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00030 - Pesticide Mix 16, 10 µg/mL in Ethyl acetate, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-16-10-0-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0003010ML - Pesticide Mix 16, 10.0 µg/mL in Ethyl acetate, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-20-10-0-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00031 - Pesticide Mix 20, 10.0 µg/mL in Ethyl acetate, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-3-10-ug-ml-in-acetonitrile-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00032 - PAH Mix 3, 10 µg/mL in Acetonitrile, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-3-10-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0003210ML - PAH Mix 3, 10 µg/mL in Acetonitrile, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-4-varied-conc-in-acetonitrile-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00033 - PAH Mix 4, Varied conc. in Acetonitrile, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pah-mix-4-varied-conc-in-acetonitrile-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0003310ML - PAH Mix 4, Varied conc. in Acetonitrile, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00034CAL05 - 1,1,1-Trichloroethane, 100 µg/mL in MeOH, CAS # 71-55-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-1-trichloroethane-calibration-curve</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00034CALSET - 1,1,1-Trichloroethane Calibration Curve, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00035CAL05 - Trichloroethene, 100 µg/mL in Methanol, CAS # 79-01-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachloroethene-calibration-curve</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00036CALSET - Tetrachloroethene Calibration Curve, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichloromethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00037CAL05 - Dichloromethane, 100 µg/mL in MeOH, CAS # 75-09-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichloromethane-calibration-curve</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00037CALSET - Dichloromethane Calibration Curve, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00038CAL05 - Carbon Tetrachloride, 100 µg/mL in MeOH, CAS # 56-23-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-calibration-curve</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00038CALSET - Carbon tetrachloride Calibration Curve, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatiles-mix-2-calibration-set</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00040CALSET - Volatiles Mix 2 - Calibration Set, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congeners-mix-2-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00041 - PCB Congeners Mix 2, 10 µg/mL in Isooctane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congeners-mix-3-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00042 - PCB Congeners Mix 3, 10 µg/mL in Isooctane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congeners-mix-3-10-ug-ml-in-isooctane-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0004210ML - PCB Congeners Mix 3, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/air-monitoring-aldehyde-dnph-mix-1-varied-conc-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00043 - Air Monitoring Aldehyde-DNPH Mix 1, Varied conc. in Acetonitile, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00044 - Air Monitoring Aldehyde-DNPH Mix 2, Varied Concentration in Acetonitrile, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cyclohexanone-dnph-500-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00046 - Cyclohexanone-DNPH, 500 µg/mL in Acetonitrile, CAS # 1589-62-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachlorvinphos-1000-ug-ml-in-acetonitrile-cas-961-11-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00047 - Tetrachlorvinphos, 1000 µg/mL in Acetonitrile, CAS # 22248-79-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/volatile-mix-3-100-ug-ml-in-methanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00048 - Volatile Mix 3, 100 µg/mL in MeOH, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00049R110X - Carcinogenic Aryl Amine Mix, 100 µg/mL in Ethyl acetate, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00049R110X10 - Carcinogenic Aryl Amine Mix, 100 µg/mL in Ethyl acetate, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-21-10-ug-ml-in-cyclohexane-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00051 - Pesticide Mix 21, 10 µg/mL in Cyclohexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-21-10-ug-ml-in-cyclohexane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0005110ML - Pesticide Mix 21, 10 µg/mL in Cyclohexane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-22-10-ug-ml-in-acetonitrile-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00052 - Pesticide Mix 22, 10 µg/mL in Acetonitrile, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-22-10-ug-ml-in-acetonitrile-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0005210ML - Pesticide Mix 22, 10 µg/mL in Acetonitrile, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-23-10-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00053 - Pesticide Mix 23, 10 µg/mL in Acetonitrile, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-23-10-ug-ml-in-accn</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0005310ML - Pesticide Mix 23, 10 µg/mL in Acetonitrile, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-24-varied-conc-in-cyclohexane-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0005410ML - Pesticide Mix 24, Varied conc. in Cyclohexane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-25-10-ug-ml-in-cyclohexane-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00055 - Pesticide Mix 25, 10 µg/mL in Cyclohexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-25-10-ug-ml-in-cyclohexane-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0005510ML - Pesticide Mix 25, 10 µg/mL in Cyclohexane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-26-1-0-ug-ml-in-cyclohexane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00056 - Pesticide Mix 26, 1.0 µg/mL in Cyclohexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-27-1-0-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00057 - Pesticide Mix 27, 1.0 µg/mL in Isooctane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pesticide-mix-28-10-ug-ml-in-ethyl-acetate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0005810ML - Pesticide Mix 28, 10 µg/mL in Ethyl acetate, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00059 - PCB Congener Content Evaluation Mix 1, 10 µg/mL in Isooctane, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE0005910ML - PCB Congener Content Evaluation Mix 1, 10 µg/mL in Isooctane, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00059H2X - PCB Congener Content Evaluation Mix 1, 20 µg/mL in n-Hexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pcb-congener-content-evaluation-mix-1-20-ug-ml-in-hexane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00059H2X10ML - PCB Congener Content Evaluation Mix 1, 20 µg/mL in Hexane, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00059R1 - PCB Congener Content Evaluation Revised Mix 1, 10 µg/mL in Isooctane, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00059R110ML - PCB Congener Content Evaluation Revised Mix 1, 10 µg/mL in isooctane, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAE00060 - PCB Congener Content Evaluation Mix 2, 10 µg/mL in Isooctane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-10-ug-ml-in-isooctane-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE00061 - Congener Calibration Mix, 10 µg/mL in Isooctane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-10-ug-ml-in-isooctane-10-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0006110ML - Congener Calibration Mix, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-4-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0006810ML - Congener Calibration Mix #4, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-6-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0006910ML - Congener Calibration Mix #6, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-7-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007010ML - Congener Calibration Mix #7, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-8-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007110ML - Congener Calibration Mix #8, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-12-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007210ML - Congener Calibration Mix #12, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-14-1-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007310ML - Congener Calibration Mix #14, 1 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-20-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007610ML - Congener Calibration Mix #20, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-21-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007710ML - Congener Calibration Mix #21, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-23-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007810ML - Congener Calibration Mix #23, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-24-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0007910ML - Congener Calibration Mix #24, 10 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-25-100-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0008010ML - Congener Calibration Mix #25, 100 µg/mL in Isooctane, 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/congener-calibration-mix-28-10-ug-ml-in-isooctane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAE0008210ML - Congener Calibration Mix #28, 10 µg/mL in Isooctane, 10 mL</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>2026-07-21T15:45:31-04:00</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 of AAGANALTBASL1 - ANALT-B Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGANALTBASL5 - ANALT-B Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGCAL1ASL1 - Calibration Mix #1, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGCAL1ASL5 - Calibration Mix #1, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGCAL2ASL1 - Calibration Mix #2, 100 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calibration-mix-2-100-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGCAL2ASL5 - Calibration Mix #2, 100 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-calibration-standard-varied-conc-in-10-nitric-acid-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGCALASL1 - Environmental Calibration Standard, Varied conc. in 10% Nitric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-calibration-standard-varied-conc-in-10-nitric-acid-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGCALASL5 - Environmental Calibration Standard, Varied conc. in 10% Nitric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGCALMAJORASL1 - Calibration Mix Majors, 500 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGCALMAJORASL5 - Calibration Mix Majors, 500 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGICV7ASL1 - ICV-7 Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGICV7ASL5 - ICV-7 Quality Control Standard, Varied conc. in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGINT2ASL1 - ICP Internal Standard, 100 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGINT2ASL5 - ICP Internal Standard, 100 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGINTASL1 - Environmetal Internal Standard Mix, 10 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGINTASL5 - Environmetal Internal Standard Mix, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/internal-standard-mix</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGINTSTDASL1 - Internal Standard Mix, 100 µg/mL in 10% Nitric acid, tr Hydrochloric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGINTSTDASL5 - Internal Standard Mix, 100 µg/mL in 10% Nitric acid, tr Hydrochloric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGMECAL1ASL1 - Multi-element Calibration Standard #1, 10 µg/mL in 2-5% Nitric Acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGMECAL1ASL5 - Multi-element Calibration Standard #1, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-2a-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGMECAL2AASL1 - Multi-element Calibration Standard #2A, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/multi-element-calibration-standard-2a-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGMECAL2AASL5 - Multi-element Calibration Standard #2A, 10 µg/mL in 2-5% Nitric Acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGMECAL3ASLR1 - Multi-element Calibration Standard #3, 10 µg/mL in 10% Hydrochloric acid, 1% Nitric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGMECAL3ASLR5 - Multi-element Calibration Standard #3, 10 µg/mL in 10% Hydrochloric acid, 1% Nitric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGMECAL4ASLR11 - Multi-element Calibration Standard #4, 10 µg/mL in Water, tr Hydrofluoric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGMECAL4ASLR15 - Multi-element Calibration Standard #4, 10 µg/mL in Water, tr Hydrofluoric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAGQCS27ASL1 - QCSTD-27 Quality Control Standard, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/qcstd-27-quality-control-standard</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGQCS27ASL5 - QCSTD-27 Quality Control Standard, 100 µg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-spike-mix</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGSPIKEASLR11 - Environmental Spike Mix, Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL</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>2026-07-21T15:45:31-04:00</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 of AAGSPIKEASLR15 - Environmental Spike Mix, Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-1-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGTUN1ASL1 - 7500 Series PA Tuning 1, Varied conc. in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-1-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGTUN1ASL5 - 7500 Series PA Tuning 1, Varied conc. in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-2-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:caption>Image of AAGTUN2ASL1 - 7500 Series PA Tuning 2, Varied conc. in 10% Hydrochloric acid, 1% Nitric acid, tr Hydrofluoric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7500-series-pa-tuning-2-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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_a852b413-25b8-4a29-bf29-2040447c1089.jpg?v=1776872945</image:loc>
      <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 of AAGTUN2ASL5 - 7500 Series PA Tuning 2, Varied conc. in 10% Hydrochloric acid, 1% Nitric acid, tr Hydrofluoric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-6-components-li-mg-y-ce-ti-co</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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_71168e5d-cc29-47f8-926e-d6f200bcde8f.jpg?v=1776872950</image:loc>
      <image:title>*Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption>Image of AAGTUNSTOCK1ASL1 - Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-10-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:title>*Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption>Image of AAGTUNSTOCK1ASL5 - Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-5-components-li-y-ce-ti-co-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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_a88fe1d0-f9bb-41dc-a3dc-fc9bfc09ddee.jpg?v=1776872949</image:loc>
      <image:title>*Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption>Image of AAGTUNSTOCKASL1 - Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/stock-tuning-solution-5-components-li-y-ce-ti-co-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:title>*Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:title>
      <image:caption>Image of AAGTUNSTOCKASL5 - Stock Tuning Solution, 10 µg/mL in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-initial-calibration-verification-5-nitric-acid-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:title>*Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 100 mL</image:title>
      <image:caption>Image of AAGVER1ASL1 - Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-initial-calibration-verification-5-nitric-acid-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:caption>Image of AAGVER1ASL5 - Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmental-initial-calibration-verification-varied-conc-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:caption>Image of AAGVER1ASLR11 - Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/environmetal-initial-calibration-verification-varied-conc-in-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:caption>Image of AAGVER1ASLR15 - Environmental Initial Calibration Verification, Varied conc. in 2-5% Nitric Acid, 500 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</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 of AAGWAVECALASL1 - ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</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 of AAGWAVECALASL101 - ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icp-oes-wavelength-calibration-solution-500-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGWAVECALASL105 - ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/icp-oes-wavelength-calibration-solution-1-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAGWAVECALASL5 - ICP-OES Wavelength Calibration Solution, Varied conc. in 1% Nitric acid, 500 mL</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>2026-07-21T15:45:31-04:00</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 of AAK101AAAROPAK - Alaska AK101AA Aromatics mix, 2000 µg/mL in MeOH, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAK101IS10X - 1-Chloro-4-fluorobenzene, 2.0 mg/mL in MeOH, CAS # 352-33-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAK102103AARTPAK - AK102/103AA Retention Time Standard, 50.0 µg/mL in Dichloromethane, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAK102103AASSPAK - AK102/103AA Surrogate Standard, 1000 µg/mL in Dichloromethane, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAK102LCS10XPAK - #2 Diesel Fuel (Extra Low Sulfur), 50.0 mg/mL in Acetone, CAS # 68476-34-6, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-diesel-fuel-50-0-mg-ml-in-acetone</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAK102LCS10XR1P - #2 Diesel Fuel, 50.0 mg/mL in Acetone, CAS # 68334-30-5, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dro-defining-mix-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAK102NAS10XPAK - DRO Defining Mix, 2.0 mg/mL in Dichloromethane, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAK102SS10XPAK - o-Terphenyl, 2.0 mg/mL in Acetone, CAS # 84-15-1, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/amyl-cinnamal-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR001N - Amyl cinnamal, Neat, CAS # 122-40-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/amyl-cinnamal-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR001SCN10X - Amyl cinnamal, 1000 µg/mL in Acetonitrile, CAS # 122-40-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-neat-cas-100-51-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR002N - Benzyl alcohol, Neat, CAS # 100-51-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-1000-ug-ml-in-ethanol-cas-100-51-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR002SET10X - Benzyl alcohol, 1000 µg/mL in Ethanol, CAS # 100-51-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamyl-alcohol-neat-cas-104-54-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR003N - Cinnamyl alcohol, Neat, CAS # 104-54-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamyl-alcohol-1000-ug-ml-in-ethanol-cas-104-54-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR003SET10X - Cinnamyl alcohol, 1000 µg/mL in Ethanol, CAS # 104-54-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/citral-neat-cas-5392-40-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR004N - Citral, Neat, CAS # 5392-40-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/citral-1000-ug-ml-in-acetonitrile-cas-5392-40-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR004SCN10X - Citral, 1000 µg/mL in Acetonitrile, CAS # 5392-40-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/eugenol-neat-cas-97-53-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR005N - Eugenol, Neat, CAS # 97-53-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/eugenol-1000-ug-ml-in-ethanol-cas-97-53-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR005SET10X - Eugenol, 1000 µg/mL in Ethanol, CAS # 97-53-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroxy-citronellal-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR006N - Hydroxy-citronellal, Neat, CAS # 107-75-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoeugenol-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR007N - Isoeugenol, Neat, CAS # 97-54-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isoeugenol-1000-ug-ml-in-ethanol-cas-97-54-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR007SET10X - Isoeugenol, 1000 µg/mL in Ethanol, CAS # 97-54-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/amylcinnamyl-alcohol-1000-ug-ml-in-ethanol-cas-101-85-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR008SET10X - Amylcinnamyl alcohol, 1000 µg/mL in Ethanol, CAS # 101-85-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-salicylate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR009N - Benzyl salicylate, Neat, CAS # 118-58-1, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR009SCN10X - Benzyl salicylate, 1000 µg/mL in Acetonitrile, CAS # 118-58-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamal-neat-alr-010n-cas-104-55-2-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR010N - Cinnamal, Neat, CAS # 104-55-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cinnamal-1000-ug-ml-in-acetonitrile-cas-104-55-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR010SCN10X - Cinnamal, 1000 µg/mL in Acetonitrile, CAS # 104-55-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coumarin-neat-cas-91-64-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR011N - Coumarin, Neat, CAS # 91-64-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coumarin-1000-ug-ml-in-acetonitrile-cas-91-64-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR011SCN10X - Coumarin, 1000 µg/mL in Acetonitrile, CAS # 91-64-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/geraniol-neat-cas-106-24-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR012N - Geraniol, Neat, CAS # 106-24-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/geraniol-1000-ug-ml-in-ethanol-cas-106-24-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR012SET10X - Geraniol, 1000 µg/mL in Ethanol, CAS # 106-24-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-hydroxy-4-methylpentyl-3-cyclohexene-1-carboxaldehyde-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR013N - Hydroxymethylpentylcyclohexenecarboxaldehyde (Mix of isomers), Neat, CAS # 31906-04-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroxymethylpentylcyclohexenecarboxaldehyde-1000-ug-ml-in-acetonitrile-cas-31906-04-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR013SCN10X - Hydroxymethylpentylcyclohexenecarboxaldehyde (Mix of isomers), 1000 µg/mL in Acetonitrile, CAS # 31906-04-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anisyl-alcohol-neat-cas-105-13-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR014N - Anisyl alcohol, Neat, CAS # 105-13-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anisyl-alcohol-1000-ug-ml-in-ethanol-cas-105-13-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR014SET10X - Anisyl alcohol, 1000 µg/mL in Ethanol, CAS # 105-13-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cinnamate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR015N - Benzyl cinnamate, Neat, CAS # 103-41-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cinnamate-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR015SET10X - Benzyl cinnamate, 1000 µg/mL in Ethanol, CAS # 103-41-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/farnesol-mixed-isomers-neat-cas-4602-84-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR016N - Farnesol (Mixed isomers), Neat, CAS # 4602-84-0, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR016SET10X - Farnesol (Mixed isomers), 1000 µg/mL in Ethanol, CAS # 4602-84-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR017SCN10X - 2-(4-tert-Butylbenzyl)propionaldehyde (tech), 1000 µg/mL in Acetonitrile, CAS # 80-54-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/linalool-neat-cas-78-70-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR018N - Linalool, Neat, CAS # 78-70-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/linalool-1000-ug-ml-in-ethanol-cas-78-70-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR018SET10X - Linalool, 1000 µg/mL in Ethanol, CAS # 78-70-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-benzoate-neat-cas-120-51-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR019N - Benzyl benzoate, Neat, CAS # 120-51-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-benzoate-1000-ug-ml-in-ethanol-cas-120-51-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR019SET10X - Benzyl benzoate, 1000 µg/mL in Ethanol, CAS # 120-51-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-citronellol-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR020N - b-Citronellol, Neat, CAS # 106-22-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-citronellol-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR020SET10X - b-Citronellol, 1000 µg/mL in Ethanol, CAS # 106-22-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexyl-cinnamaldehyde-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR021SET10X - Hexyl cinnamaldehyde, 1000 µg/mL in Ethanol, CAS # 101-86-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/d-limonene-neat-cas-5989-27-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR022N - d-Limonene, Neat, CAS # 5989-27-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/d-limonene-1000-ug-ml-in-ethanol-cas-5989-27-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR022SET10X - d-Limonene, 1000 µg/mL in Ethanol, CAS # 5989-27-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-heptyne-carbonate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR023N - Methyl heptyne carbonate, Neat, CAS # 111-12-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-heptyne-carbonate-1000-ug-ml-in-ethanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR023SET10X - Methyl heptyne carbonate, 1000 µg/mL in Ethanol, CAS # 111-12-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cetone-alpha-tech-1000-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR024SCN10X - Cetone Alpha (tech), 1000 µg/mL in Acetonitrile, CAS # 127-51-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allylisothiocyanate-1000-ug-ml-in-etoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR028SET10X - Allylisothiocyanate, 1000 µg/mL in EtOH, CAS # 57-06-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cyanide-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR029N - Benzyl cyanide, Neat, CAS # 140-29-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-cyanide-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR029SET10X - Benzyl cyanide, 1000 µg/mL in EtOH, CAS # 140-29-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-tert-butylphenol-neat-cas-98-54-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR030N - p-tert-Butylphenol, Neat, CAS # 98-54-4, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR030SET10X - p-tert-Butylphenol, 1000 µg/mL in EtOH, CAS # 98-54-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-maleate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR033N - Diethyl maleate, Neat, CAS # 141-05-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-maleate-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR033SET10X - Diethyl maleate, 1000 µg/mL in EtOH, CAS # 141-05-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydrocoumarin-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR034N - Dihydrocoumarin, Neat, CAS # 119-84-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydrocoumarin-1000-ug-ml-in-acetone</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR034SA10X - Dihydrocoumarin, 1000 µg/mL in Acetone, CAS # 119-84-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-citraconate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR038N - Dimethyl citraconate, Neat, CAS # 617-54-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-citraconate-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR038SET10X - Dimethyl Citraconate, 1000 µg/mL in Ethanol, CAS # 617-54-9, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR040N - 6,10-Dimethyl-3,5,9-undecatrien-2-one (Pseudoionone), Neat, CAS # 141-10-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pseudoionone-1000-ug-ml-in-acetone-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR040SA10X - Pseudoionone, 1000 µg/mL in Acetone, CAS # 141-10-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR041N - Diphenylamine, Neat, CAS # 122-39-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine-1000-ug-ml-in-etoh-cas-122-39-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR041SET10X - Diphenylamine, 1000 µg/mL in Ethanol, CAS # 122-39-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-acrylate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR042N - Ethyl acrylate, Neat, CAS # 140-88-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-acrylate-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR042SET10X - Ethyl acrylate, 1000 µg/mL in EtOH, CAS # 140-88-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-heptenal-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR044N - trans-2-Heptenal, Neat, CAS # 18829-55-5, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR044SCN10X - trans-2-Heptenal, 1000 µg/mL in Acetonitrile, CAS # 18829-55-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-diethyl-acetal-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR045N - trans-2-Hexenal diethyl acetal, Neat, CAS # 67746-30-9, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR045SCN10X - trans-2-Hexenal diethyl acetal, 1000 µg/mL in Acetonitrile, CAS # 67746-30-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-dimethyl-acetal-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR046N - trans-2-Hexenal dimethyl acetal, Neat, CAS # 18318-83-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-2-hexenal-dimethyl-acetal-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR046S10X - trans-2-Hexenal dimethyl acetal, 1000 µg/mL in Methanol, CAS # 18318-83-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydroabietyl-alcohol-technical-mix-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR047N - Dihydroabietyl alcohol (technical mix), Neat, CAS # 26266-77-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihydroabietyl-alcohol-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR047SET10X - Dihydroabietyl alcohol, 1000 µg/mL in Ethanol, CAS # 26266-77-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroquinone-monoethyl-ether-4-ethoxyphenol-neat-cas-622-62-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR048N - Hydroquinone monoethyl ether (4-Ethoxyphenol), Neat, CAS # 622-62-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hydroquinone-monoethyl-ether-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR048SET10X - Hydroquinone Monoethyl Ether, 1000 µg/mL in Ethanol, CAS # 622-62-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methoxycoumarin-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR050N - 7-Methoxycoumarin, Neat, CAS # 531-59-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methoxycoumarin-1000-ug-ml-in-accn</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR050SCN10X - 7-Methoxycoumarin, 1000 µg/mL in Acetonitrile, CAS # 531-59-9, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR051SCN10X - 4-(p-Methoxyphenyl)-3-butene-2-one, 1000 µg/mL in Acetonitrile, CAS # 943-88-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR052N - 1-(p-Methoxyphenyl)-1-penten-3-one, Neat, CAS # 104-27-8, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR052SCN10X - 1-(p-Methoxyphenyl)-1-penten-3-one, 1000 µg/mL in Acetonitrile, CAS # 104-27-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-trans-2-butenoate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR053N - Methyl trans-2-butenoate, Neat, CAS # 623-43-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-trans-2-butenoate-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR053S10X - Methyl trans-2-butenoate, 1000 µg/mL in Methanol, CAS # 623-43-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methylcoumarin-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR054N - 7-Methylcoumarin, Neat, CAS # 2445-83-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/7-methylcoumarin-1000-ug-ml-in-accn</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR054SCN10X - 7-Methylcoumarin, 1000 µg/mL in Acetonitrile, CAS # 2445-83-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR055N - 5-Methyl-2,3-hexanedione (Acetyl isovaleryl), Neat, CAS # 13706-86-0, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR055SCN10X - 5-Methyl-2,3-hexanedione (Acetyl isovaleryl), 1000 µg/mL in Acetonitrile, CAS # 13706-86-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR056SCN10X - Musk Ambrette, 1000 µg/mL in Acetonitrile, CAS # 83-66-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-phenyl-3-buten-2-one-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR058N - 4-Phenyl-3-buten-2-one, Neat, CAS # 122-57-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-phenyl-3-buten-2-one-1000-ug-ml-in-accn</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR058SCN10X - 4-Phenyl-3-buten-2-one, 1000 µg/mL in Acetonitrile, CAS # 122-57-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/verbena-oil-lippia-citriodora-kunth-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR060N - Verbena oil (Lippia citriodora Kunth), Neat, CAS # 8024-12-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/verbena-oil-india-1000-ug-ml-in-etoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR060SET10X - Verbena oil (India), 1000 µg/mL in Ethanol, CAS # 8024-12-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyleugenol-neat-cas-93-15-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR061N - Methyleugenol, Neat, CAS # 93-15-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyleugenol-1000-ug-ml-in-etoh-cas-93-15-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR061SET10X - Methyleugenol, 1000 µg/mL in EtOH, CAS # 93-15-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-dioxane-neat-cas-123-91-1-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR062N - 1,4-Dioxane, Neat, CAS # 123-91-1, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR062S - 1,4-Dioxane, 100 µg/mL in MeOH, CAS # 123-91-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-diaminophenol-dihydrochloride-neat-cas-137-09-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR063N - 2,4-Diaminophenol dihydrochloride, Neat, CAS # 137-09-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-diaminophenol-dihydrochloride-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR063S - 2,4-Diaminophenol dihydrochloride, 100 µg/mL in MeOH, CAS # 137-09-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR064N - 2-Ethoxyethanol, Neat, CAS # 110-80-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR064S - 2-Ethoxyethanol, 100 µg/mL in MeOH, CAS # 110-80-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-ethoxyethanol-acetate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR065N - 2-Ethoxyethanol acetate, Neat, CAS # 111-15-9, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR065S - 2-Ethoxyethanol acetate, 100 µg/mL in MeOH, CAS # 111-15-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-acetylpyridine-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR066N - 2-Acetylpyridine, Neat, CAS # 1122-62-9, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR066S - 2-Acetylpyridine, 100 µg/mL in MeOH, CAS # 1122-62-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-bromo-2-nitropropane-1-3-diol-bronopol-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR067N - 2-Bromo-2-nitropropane-1,3-diol (Bronopol), Neat, CAS # 52-51-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR067S - 2-Bromo-2-nitropropane-1,3-diol (Bronopol), 100 µg/mL in MeOH, CAS # 52-51-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloropyridine-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR068N - 2-Chloropyridine, Neat, CAS # 109-09-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloropyridine-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR068S - 2-Chloropyridine, 100 µg/mL in Methanol, CAS # 109-09-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-hydroxybenzoic-acid-paraben-neat-cas-99-96-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR069N - 4-Hydroxybenzoic acid (Paraben), Neat, CAS # 99-96-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR069SCN - 4-Hydroxybenzoic acid (Paraben), 100 µg/mL in Acetonitrile, CAS # 99-96-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR070SR2 - 2,4-Diaminoanisole, 100 µg/mL in Acetonitrile, CAS # 615-05-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methoxy-m-phenylenediamine-sulfate-hydrate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR072N - 4-Methoxy-m-phenylenediamine-sulfate hydrate, Neat, CAS # 123333-56-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-benzylidene-camphor-4-mbc-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR073N - 4-Methyl-benzylidene camphor, Neat, CAS # 36861-47-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-benzylidene-camphor-4-mbc-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR073S - 4-Methyl-benzylidene camphor (4-MBC), 100 µg/mL in MeOH, CAS # 36861-47-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-bromo-5-nitro-1-3-dioxane-bronidox-l-bnd-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR074N - 5-Bromo-5-nitro-1,3-dioxane (Bronidox L) (BND), Neat, CAS # 30007-47-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/6-methylcoumarin-6-mc-neat-cas-92-48-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR075N - 6-Methylcoumarin, Neat, CAS # 92-48-8, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR075S - 6-Methylcoumarin (6-MC), 100 µg/mL in Methanol, CAS # 92-48-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triton-n-101-polyethylene-glycol-nonaphenyl-ether-alkylphenol-ethoxylates-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR078N - Triton N-101 Polyethylene glycol nonaphenyl ether Alkylphenol ethoxylates:, Neat, CAS # 123359-41-1, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR078S - Triton N-101 Polyethylene glycol nonaphenyl ether Alkylphenol ethoxylates:, 100 µg/mL in MeOH, CAS # 123359-41-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR079N - Alkylphenol ethoxylates: Nonylphenol-ethylene oxide condensate (Tech Mix), Neat, CAS # 26027-38-3, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR079S - Alkylphenol ethoxylates: Nonylphenol-ethylene oxide condensate (Tech Mix), 100 µg/mL in MeOH, CAS # 26027-38-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/balsam-of-peru-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR080N - Balsam of Peru, Neat, CAS # 8007-00-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/balsam-of-peru-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR080S - Balsam of Peru, 100 µg/mL in MeOH, CAS # 8007-00-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzophenone-3-bp-3-neat-cas-131-57-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR081N - Benzophenone-3 (Bp-3), Neat, CAS # 131-57-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR081SCN - Benzophenone-3 (Bp-3), 100 µg/mL in Acetonitrile, CAS # 131-57-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-butyl-phthalate-neat-cas-85-68-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR082N - Benzyl butyl phthalate, Neat, CAS # 85-68-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR082S - Benzyl butyl phthalate, 100 µg/mL in MeOH, CAS # 85-68-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-paraben-neat-cas-94-18-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR083N - Benzyl paraben, Neat, CAS # 94-18-8, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR083S - Benzyl paraben, 100 µg/mL in MeOH, CAS # 94-18-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bithionol-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR084N - Bithionol, Neat, CAS # 97-18-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bithionol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR084S - Bithionol, 100 µg/mL in MeOH, CAS # 97-18-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-paraben-neat-cas-94-26-8-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR085N - Butyl paraben, Neat, CAS # 94-26-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-paraben-100-ug-ml-in-methanol-cas-94-26-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR085S - Butyl paraben, 100 µg/mL in MeOH, CAS # 94-26-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR086S - Butyl-methoxydibenzoylmethane (B-MDM). Sunblock, Parsol1789, 100 µg/mL in MeOH, CAS # 70356-09-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylated-hydroxyanisole-bha-neat-cas-25013-16-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR087N - Butylated hydroxyanisole (BHA), Neat, CAS # 25013-16-5, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR087S - Butylated hydroxyanisole (BHA), 100 µg/mL in Methanol, CAS # 25013-16-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylated-hydroxytoluene-bht-2-6-dbpc-neat-cas-128-37-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR088N - Butylated hydroxytoluene (BHT), Neat, CAS # 128-37-0, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR088S - Butylated hydroxytoluene (BHT), 100 µg/mL in MeOH, CAS # 128-37-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylene-glycol-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR089N - Butylene glycol, Neat, CAS # 107-88-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butylene-glycol-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR089S - Butylene glycol, 100 µg/mL in MeOH, CAS # 107-88-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroacetamide-neat-alr-090n-cas-79-07-2-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR090N - Chloroacetamide, Neat, CAS # 79-07-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroacetamide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR090S - Chloroacetamide, 100 µg/mL in Methanol, CAS # 79-07-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR091N - Chloroform, Neat, CAS # 67-66-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-100-ug-ml-in-methanol-cas-67-66-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR091S - Chloroform, 100 µg/mL in MeOH, CAS # 67-66-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/coal-tar-black-neat-cas-8007-45-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR094N - Coal Tar (black), Neat, CAS # 8007-45-2, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR094ST - Coal Tar (black), 100 µg/mL in Toluene, CAS # 8007-45-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di2-ethyl-hexyl-phthalate-dehp-neat-cas-117-81-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR097N - bis(2-Ethylhexyl)phthalate (DEHP), Neat, CAS # 117-81-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR097S - bis(2-Ethylhexyl)phthalate, 100 µg/mL in Methanol, CAS # 117-81-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diamyl-phthalate-neat-cas-131-18-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR098N - Diamyl phthalate, Neat, CAS # 131-18-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diamyl-phthalate-100-ug-ml-in-methanol-cas-131-18-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR098S - Diamyl phthalate, 100 µg/mL in MeOH, CAS # 131-18-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dicyclohexyl-phthalate-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR099N - Dicyclohexyl phthalate, Neat, CAS # 84-61-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR099S - Dicyclohexyl Phthalate, 100 µg/mL in MeOH, CAS # 84-61-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihexyl-phthalate-neat-cas-84-75-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR100N - Dihexyl phthalate, Neat, CAS # 84-75-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dihexyl-phthalate-100-ug-ml-in-methanol-cas-84-75-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR100S - Dihexyl phthalate, 100 µg/mL in MeOH, CAS # 84-75-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-iso-decyl-phthalate-neat-cas-26761-40-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR101N - Diisodecyl phthalate (Tech Mix), Neat, CAS # 26761-40-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisodecyl-phthalate-100-ug-ml-in-methanol-cas-26761-40-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR101S - Diisodecyl phthalate (Tech Mix), 100 µg/mL in MeOH, CAS # 26761-40-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisononyl-phthalate-neat-cas-68515-48-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR102N - Diisononyl phthalate (Tech Mix), Neat, CAS # 28553-12-0, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR102S - Diisononyl phthalate (Tech Mix), 100 µg/mL in MeOH, CAS # 28553-12-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisooctyl-phthalate-neat-cas-27554-26-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR103N - Diisooctyl phthalate (Tech Mix), Neat, CAS # 27554-26-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diisooctyl-phthalate-100-ug-ml-in-methanol-cas-27554-26-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR103S - Diisooctyl phthalate (Tech Mix), 100 µg/mL in Methanol, CAS # 27554-26-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-dbp-neat-cas-84-74-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR104N - Di-n-butyl phthalate (DBP), Neat, CAS # 84-74-2, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR104S - Di-n-butyl phthalate (DBP), 100 µg/mL in MeOH, CAS # 84-74-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-octyl-phthalate-neat-cas-117-84-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR105N - Di-n-octyl phthalate, Neat, CAS # 117-84-0, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR105S - Di-n-octyl phthalate, 100 µg/mL in MeOH, CAS # 117-84-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazolidinyl-urea-neat-alr-106n-cas-78491-02-8-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR106N - Diazolidinyl urea, Neat, CAS # 78491-02-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diazolidinyl-urea-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR106S - Diazolidinyl urea, 100 µg/mL in Methanol, CAS # 78491-02-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromsalon-halogenated-salicylanilides-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR107N10MG - Dibromsalon (Halogenated salicylanilides), Neat, CAS # 87-12-7, 10 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromsalon-halogenated-salicylanilides-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR107S - Dibromsalon (Halogenated salicylanilides), 100 µg/mL in Methanol, CAS # 87-12-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethanolamine-dea-neat-cas-111-42-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR109N - Diethanolamine (DEA), Neat, CAS # 111-42-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethanolamine-dea-100-ug-ml-in-methanol-cas-111-42-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR109S - Diethanolamine (DEA), 100 µg/mL in MeOH, CAS # 111-42-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-neat-cas-84-66-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR110N - Diethyl phthalate, Neat, CAS # 84-66-2, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR110S - Diethyl phthalate, 100 µg/mL in Methanol, CAS # 84-66-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-dmp-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR111N - Dimethyl phthalate (DMP), Neat, CAS # 131-11-3, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR111S - Dimethyl phthalate (DMP), 100 µg/mL in MeOH, CAS # 131-11-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-paraben-neat-cas-120-47-8-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR113N - Ethyl paraben, Neat, CAS # 120-47-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-paraben-100-ug-ml-in-methanol-cas-120-47-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR113S - Ethyl paraben, 100 µg/mL in MeOH, CAS # 120-47-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylene-diamine-dihydrochloride-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR114N - Ethylene diamine dihydrochloride, Neat, CAS # 333-18-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylene-diamine-dihydrochloride-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR114S - Ethylene diamine dihydrochloride, 100 µg/mL in MeOH, CAS # 333-18-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/formaldehyde-100-ug-ml-in-water-cas-50-00-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR115SW - Formaldehyde, 100 µg/mL in Water, CAS # 50-00-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/heptyl-paraben-neat-cas-1085-12-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR117N - Heptyl paraben, Neat, CAS # 1085-12-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/heptyl-paraben-100-ug-ml-in-methanol-cas-1085-12-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR117S - Heptyl paraben, 100 µg/mL in MeOH, CAS # 1085-12-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-hcp-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR118N - Hexachlorophene (HCP), Neat, CAS # 70-30-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-hcp-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR118S - Hexachlorophene (HCP), 100 µg/mL in MeOH, CAS # 70-30-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-hcp-100-ug-ml-in-methanol-cas-118-56-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR119SCN - Homosalate (HMS), 100 µg/mL in Acetonitrile, CAS # 118-56-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imidazolidinyl-urea-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR120N - Imidazolidinyl urea, Neat, CAS # 39236-46-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/imidazolidinyl-urea-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR120S - Imidazolidinyl urea, 100 µg/mL in MeOH, CAS # 39236-46-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-paraben-neat-cas-857259</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR121N - Isobutyl paraben, Neat, CAS # 4247-02-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-paraben-100-ug-ml-in-methanol-cas-4247-02-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR121S - Isobutyl paraben, 100 µg/mL in MeOH, CAS # 4247-02-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isopropyl-paraben-neat-cas-4191-73-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR122N - Isopropyl paraben, Neat, CAS # 4191-73-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isopropyl-paraben-100-ug-ml-in-methanol-cas-4191-73-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR122S - Isopropyl paraben, 100 µg/mL in MeOH, CAS # 4191-73-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lanolin-anhydrous-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR123N - Lanolin, anhydrous, Neat, CAS # 8006-54-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lanolin-anhydrous-100-ug-ml-in-acetone</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR123SA - Lanolin, anhydrous, 100 µg/mL in Acetone, CAS # 8006-54-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/meta-phenylenediamine-mpd-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR127N - meta-Phenylenediamine (MPD), Neat, CAS # 108-45-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/metabromsalon-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR128N - Metabromsalon, Neat, CAS # 2577-72-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/metabromsalon-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR128S - Metabromsalon, 100 µg/mL in MeOH, CAS # 2577-72-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-monomer-neat-cas-80-62-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR129N - Methyl methacrylate monomer, Neat, CAS # 80-62-6, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR129S - Methyl methacrylate monomer, 100 µg/mL in MeOH, CAS # 80-62-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-paraben-neat-cas-99-76-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR130N - Methyl paraben, Neat, CAS # 99-76-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-paraben-100-ug-ml-in-methanol-cas-99-76-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR130S - Methyl paraben, 100 µg/mL in MeOH, CAS # 99-76-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR131SW - Methylchloroisothiazolinone, 100 µg/mL in Water, CAS # 26172-55-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyldibromoglutaronitrile-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR132N - Methyldibromoglutaronitrile, Neat, CAS # 35691-65-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyldibromoglutaronitrile-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR132SCN - Methyldibromoglutaronitrile, 100 µg/mL in Acetonitrile, CAS # 35691-65-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-chloride-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR133N - Methylene chloride, Neat, CAS # 75-09-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-chloride-100-ug-ml-in-methanol-cas-75-09-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR133S - Methylene Chloride, 100 µg/mL in MeOH, CAS # 75-09-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monobenzyl-phthalate-mbzp-neat-cas-2528-16-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR134N - Monobenzyl phthalate (mBzP), Neat, CAS # 2528-16-7, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR134SCN - Monobenzyl phthalate (mBzP), 100 µg/mL in Acetonitrile, CAS # 2528-16-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monobutyl-phthalate-mbp-neat-cas-131-70-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR135N - Monobutyl phthalate (mBP), Neat, CAS # 131-70-4, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR135SCN - Monobutyl phthalate (mBP), 100 µg/mL in Acetonitrile, CAS # 131-70-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethanolamine-mea-2-aminoethanol-neat-cas-141-43-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR136N - Monoethanolamine (MEA) (2-Aminoethanol), Neat, CAS # 141-43-5, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR136S - Monoethanolamine (MEA) (2-Aminoethanol), 100 µg/mL in MeOH, CAS # 141-43-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethyl-phthalate-mep-neat-cas-2306-33-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR137N - Monoethyl phthalate (mEP), Neat, CAS # 2306-33-4, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR137SCN - Monoethyl phthalate (mEP), 100 µg/mL in Acetonitrile, CAS # 2306-33-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoethylhexyl-phthalate-mehp-neat-cas-4376-20-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR138N - Monoethylhexyl phthalate (mEHP), Neat, CAS # 4376-20-9, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR138SCN - Monoethylhexyl phthalate (mEHP), 100 µg/mL in Acetonitrile, CAS # 4376-20-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monomethyl-phthalate-neat-cas-4376-18-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR139N - Monomethyl phthalate, Neat, CAS # 4376-18-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monomethyl-phthalate-100-ug-ml-in-acetonitrile-cas-4376-18-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR139SCN - Monomethyl phthalate, 100 µg/mL in Acetonitrile, CAS # 4376-18-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-phenyl-p-phenylenediamine-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR140N - N-Phenyl-p-phenylenediamine, Neat, CAS # 101-54-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monooctyl-phthalate-neat-cas-5393-19-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR141N - Monooctyl phthalate, Neat, CAS # 5393-19-1, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monooctyl-phthalate-100-ug-ml-in-acetonitrile-cas-5393-19-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR141SCN - Monooctyl phthalate, 100 µg/mL in Acetonitrile, CAS # 5393-19-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-2-heptyl-phthalate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR143N - Mono-2-heptyl phthalate, Neat, CAS # 129171-03-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-2-heptyl-phthalate-100-ug-ml-in-acetonitrile</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR143SCN - Mono-2-heptyl phthalate, 100 µg/mL in Acetonitrile, CAS # 129171-03-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-methoxycinnamate-omc-neat-cas-5466-77-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR144N - Octyl-methoxycinnamate (OMC), Neat, CAS # 5466-77-3, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR144S - Octyl-methoxycinnamate (OMC), 100 µg/mL in MeOH, CAS # 5466-77-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-hydroxyanisole-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR145N - p-Hydroxyanisole, Neat, CAS # 150-76-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-hydroxyanisole-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR145S - p-Hydroxyanisole, 100 µg/mL in MeOH, CAS # 150-76-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-dimethyl-paba-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR146N - Octyl-dimethyl-PABA, Neat, CAS # 21245-02-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/octyl-dimethyl-paba-od-pabapadimate-o-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR146S - Octyl-dimethyl-PABA (OD-PABA)(Padimate O), 100 µg/mL in MeOH, CAS # 21245-02-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/para-phenylenediamine-ppd-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR147N - para-Phenylenediamine (PPD), Neat, CAS # 106-50-3, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR147S - p-Phenylenediamine (PPD), 100 µg/mL in MeOH, CAS # 106-50-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-1500-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR149NMW1500 - Polyethylene glycol (PEG), appr. Molecular weight 1500, Neat, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-200-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR149NMW200 - Polyethylene glycol (PEG), appr. Molecular weight 200, Neat, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-400-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR149NMW400 - Polyethylene glycol (PEG), appr. Molecular weight 400, Neat, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-4000-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR149NMW4000 - Polyethylene glycol (PEG), appr. Molecular weight 4000, Neat, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyethylene-glycol-peg-appr-molecular-weight-600-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR149NMW600 - Polyethylene glycol (PEG), appr. Molecular weight 600, Neat, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/polyvinylpyrolidone-neat-cas-9003-39-8-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR150N - Polyvinylpyrolidone, Neat, CAS # 9003-39-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate-neat-alr-152n-cas-24634-61-5-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR152N - Potassium sorbate, Neat, CAS # 24634-61-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR152S - Potassium sorbate, 100 µg/mL in MeOH, CAS # 24634-61-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propyl-paraben-neat-cas-94-13-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR153N - Propyl paraben, Neat, CAS # 94-13-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propyl-paraben-100-ug-ml-in-methanol-cas-94-13-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR153S - Propyl paraben, 100 µg/mL in MeOH, CAS # 94-13-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propylene-glycol-pg-100-ug-ml-in-methanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR154S - Propylene glycol (PG), 100 µg/mL in Methanol, CAS # 57-55-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/protocatechuic-acid-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR155N - Protocatechuic acid, Neat, CAS # 99-50-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/protocatechuic-acid-100-ug-ml-in-accn</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR155SCN - Protocatechuic acid, 100 µg/mL in Acetonitrile, CAS # 99-50-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrocatechol-neat-cas-120-80-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR156N - Pyrocatechol, Neat, CAS # 120-80-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrocatechol-100-ug-ml-in-methanol-cas-120-80-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR156S - Pyrocatechol, 100 µg/mL in MeOH, CAS # 120-80-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/quaternium-15-neat-alr-157n-cas-51229-78-8-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR157N - Quaternium-15, Neat, CAS # 51229-78-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/quaternium-15-100-ug-ml-in-methanol-cas-51229-78-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR157S - Quaternium-15, 100 µg/mL in MeOH, CAS # 51229-78-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resorcinol-neat-cas-108-46-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR158N - Resorcinol, Neat, CAS # 108-46-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/resorcinol-100-ug-ml-in-methanol-cas-108-46-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR158S - Resorcinol, 100 µg/mL in MeOH, CAS # 108-46-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-hydroxide-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR159N - Sodium hydroxide, Neat, CAS # 1310-73-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-hydroxide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR159S - Sodium hydroxide, 100 µg/mL in MeOH, CAS # 1310-73-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrite-neat-cas-7632-00-0-100-mg</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR160N - Sodium nitrite, Neat, CAS # 7632-00-0, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrite-100-ug-ml-in-water-cas-7632-00-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR160SW - Sodium nitrite, 100 µg/mL in Water, CAS # 7632-00-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/talc-neat-cas-14807-96-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR161N - Talc, Neat, CAS # 14807-96-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachlorosalicylanilide-neat-cas-1154-59-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR162N - Tetrachlorosalicylanilide, Neat, CAS # 1154-59-2, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachlorosalicylanilide-100-ug-ml-in-methanol-cas-1154-59-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR162S - Tetrachlorosalicylanilide, 100 µg/mL in MeOH, CAS # 1154-59-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thimerosal-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR163N - Thimerosal, Neat, CAS # 54-64-8, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thimerosal-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR163S - Thimerosal, 100 µg/mL in MeOH, CAS # 54-64-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thiuram-thiram-tetramethylthiouram-disulfide-neat-cas-137-26-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR164N - Thiuram (Thiram) (Tetramethylthiouram disulfide), Neat, CAS # 137-26-8, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR164S - Thiuram (Thiram) (Tetramethylthiouram disulfide), 100 µg/mL in MeOH, CAS # 137-26-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-2-ethylhexyl-phthalate-neat-cas-27215-22-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR165N - Benzyl 2-Ethylhexyl Phthalate, Neat, CAS # 27215-22-1, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR165S - Benzyl 2-Ethylhexyl Phthalate, 100 µg/mL in Methanol, CAS # 27215-22-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tribromsalon-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR167N - Tribromsalon, Neat, CAS # 87-10-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tribromsalon-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR167S - Tribromsalon, 100 µg/mL in Methanol, CAS # 87-10-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/triethanolamine-tea-neat-cas-102-71-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR168N - Triethanolamine (TEA), Neat, CAS # 102-71-6, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR168S - Triethanolamine (TEA), 100 µg/mL in MeOH, CAS # 102-71-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trishydroxymethylnitromethane-tris-nitro-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR169N - tris(Hydroxymethyl)nitromethane (Tris Nitro), Neat, CAS # 126-11-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trishydroxymethylnitromethane-tris-nitro-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR169S - tris(Hydroxymethyl)nitromethane (Tris Nitro), 100 µg/mL in Methanol, CAS # 126-11-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR170S - Vinyl Chloride, 100 µg/mL in MeOH, CAS # 75-01-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-ionone-neat-cas-127-41-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR171N - a-Ionone, Neat, CAS # 127-41-3, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-ionone-100-ug-ml-in-methanol-cas-127-41-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR171S - a-Ionone, 100 µg/mL in Methanol, CAS # 127-41-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-ionone-neat</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR172N - b-Ionone, Neat, CAS # 79-77-6, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/b-ionone-100-ug-ml-in-methanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR172S - b-Ionone, 100 µg/mL in Methanol, CAS # 79-77-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/salicylic-acid-neat-cas-69-72-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR173N - Salicylic acid, Neat, CAS # 69-72-7, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/salicylic-acid-100-ug-ml-in-water</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR173SW - Salicylic acid, 100 µg/mL in Water, CAS # 69-72-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR174SCN - 2-Ethylhexyl salicylate, 100 µg/mL in Acetonitrile, CAS # 118-60-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monohexyl-phthalate-neat-cas-24539-57-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR175N - Monohexyl phthalate, Neat, CAS # 24539-57-9, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monohexyl-phthalate-100-ug-ml-in-acetonitrile-cas-24539-57-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR175SCN - Monohexyl phthalate, 100 µg/mL in Acetonitrile, CAS # 24539-57-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisobutyl-phthalate-neat-cas-30833-53-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR176N - Monoisobutyl phthalate, Neat, CAS # 30833-53-5, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisobutyl-phthalate-100-ug-ml-in-acetonitrile-cas-30833-53-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR176SCN - Monoisobutyl Phthalate, 100 µg/mL in Acetonitrile, CAS # 30833-53-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mono-n-pentyl-phthalate-neat-cas-24539-56-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR177N - Mono-n-pentyl phthalate, Neat, CAS # 24539-56-8, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AALR177SCN - Mono-n-pentyl phthalate, 100 µg/mL in Acetonitrile, CAS # 24539-56-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monocyclohexyl-phthalate-neat-cas-7517-36-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR178N - Monocyclohexyl phthalate, Neat, CAS # 7517-36-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monocyclohexyl-phthalate-100-ug-ml-in-acetonitrile-cas-7517-36-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR178SCN - Monocyclohexyl phthalate, 100 µg/mL in Acetonitrile, CAS # 7517-36-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisopropyl-phthalate-neat-cas-35118-50-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR179N - Monoisopropyl phthalate, Neat, CAS # 35118-50-4, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/monoisopropyl-phthalate-100-ug-ml-in-acetonitrile-cas-35118-50-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALR179SCN - Monoisopropyl phthalate, 100 µg/mL in Acetonitrile, CAS # 35118-50-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR184SCN - Cyclamen alcohol, 100 µg/mL in Acetonitrile, CAS # 4756-19-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR185SCN - 2,4-Dihydroxy-3-methylbenzaldehyde, 100 µg/mL in Acetonitrile, CAS # 6248-20-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR186SCN - 4,6-Dimethyl-8-tert-butylcoumarin, 100 µg/mL in Acetonitrile, CAS # 17874-34-9, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR187SCN - Hexahydrocoumarin, 100 µg/mL in Acetonitrile, CAS # 700-82-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR188SCN - 6-Isopropyl-2-decahydronaphthalenol, 100 µg/mL in Acetonitrile, CAS # 34131-99-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR189SCN - 2,6-Dihydroxy-4-methylbenzaldehyde, 100 µg/mL in Acetonitrile, CAS # 526-37-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALR190SCN - 3-Chloro-2,6-dihydroxy-4-methylbenzaldehyde, 100 µg/mL in Acetonitrile, CAS # 57074-21-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-13b1-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC001S2X - Freon #13b1, 0.2 mg/mL in Methanol, CAS # 75-63-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-142b-200-ug-ml-in-methanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC002S2X - Freon #142b, 0.2 mg/mL in MeOH, CAS # 75-68-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-22-chlorodifluoromethane-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC003S2X - Freon #22 Chlorodifluoromethane, 0.2 mg/mL in MeOH, CAS # 75-45-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-160-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC004S2X - Freon #160, 0.2 mg/mL in MeOH, CAS # 75-00-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-40-chloromethane-200-ug-ml-in-methanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC005S2X - Freon #40 Chloromethane, 0.2 mg/mL in MeOH, CAS # 74-87-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-115-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC006S2X - Freon #115, 0.2 mg/mL in MeOH, CAS # 76-15-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-13-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC007S2X - Freon #13, 0.2 mg/mL in MeOH, CAS # 75-72-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-12-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC008S2X - Freon #12, 0.2 mg/mL in MeOH, CAS # 75-71-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-21-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC009S2X - Freon #21, 0.2 mg/mL in MeOH, CAS # 75-43-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-114-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC010S2X - Freon #114, 0.2 mg/mL in MeOH, CAS # 76-14-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-152a-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC011S2X - Freon #152a, 0.2 mg/mL in Methanol, CAS # 75-37-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-134a-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC012S2X - Freon #134a, 0.2 mg/mL in MeOH, CAS # 811-97-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-11-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC013S2X - Freon #11, 0.2 mg/mL in MeOH, CAS # 75-69-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALRCFC014S2X - Freon #113 1,1,2-Trichloro-1,2,2-trifluoroethane, 0.2 mg/mL in MeOH, CAS # 76-13-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/freon-23-0-2-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRCFC015S2X - Freon #23, 0.2 mg/mL in MeOH, CAS # 75-46-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AALREU24R1SET - Set of 24 EU Allergen Standards, 1 Set</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>2026-07-21T15:45:31-04:00</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 of AALREU36R3SET - Set of 24 EU 36 Allergens, 24 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/arsenic-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET01S - Arsenic, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chromium-1000-ug-ml-in-2-5-nitric-acid-100-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET02SR - Chromium, 1000 µg/mL in 2-5% Nitric Acid, ALR-MET-02S-R, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cobalt-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET03S - Cobalt, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/lead-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET04S - Lead, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/mercury-1000-ug-ml-in-10-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET05S - Mercury, 1000 µg/mL in 10% Nitric acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nickel-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET06S - Nickel, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-dichromate-1000-ug-ml-in-water-cas-7778-50-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET07S - Potassium dichromate, 1000 µg/mL in Water, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/zirconium-1000-ug-ml-in-2-5-nitric-acid</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRMET08S - Zirconium, 1000 µg/mL in 2-5% Nitric Acid, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/set-of-11-paraben-solutions-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRPARSET - Set of 11 Paraben Solutions, 11 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/set-of-17-phthalate-solutions</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AALRPHTSET - Set of 17 Phthalate Solutions, 17 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOACPFASMIX001 - PFAS in Food Reference Standard 1, 2 µg/mL in Acetonitrile (4% Methanol), 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOACPHTH01 - Phthalates in Water-Based Adhesive, 1000 µg/mL in n-Hexane, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOACPHTH01IS - Phthalates in Water-Based Adhesive Internal Standard, 100 µg/mL in n-Hexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-1-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS001N - AOCS Animal &amp; Vegetable Reference Mix 1, Varied conc. by weight, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS002N - AOCS Animal &amp; Vegetable Reference Mix 2, Varied conc. by weight, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS003N - AOCS Animal &amp; Vegetable Reference Mix 3, Varied conc. by weight, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS004N - AOCS Animal &amp; Vegetable Reference Mix 4, Varied conc. by weight, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS005N - AOCS Animal &amp; Vegetable Reference Mix 5, Varied conc. by weight, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-animal-vegetable-reference-mix-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS006N - AOCS Animal &amp; Vegetable Reference Mix 6, Varied conc. by weight, 100 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aocs-rapeseed-mix</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAOCS007N - AOCS Rapeseed Mix, Varied conc. by weight, 100 mg</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>2026-07-21T15:45:31-04:00</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 of AAOF001S - Adsorbable Organic Fluorine Standard (AOF), 100 µg/mL in Methanol, CAS # 456-22-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF01S - N,N′-di-2-Butyl-1,4-phenylenediamine Standard, 100 µg/mL in Cyclohexane, CAS # 101-96-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF02S - 2,6-di-tert-Butylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 128-39-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF03S - 2-tert-Butyl-4,6-dimethylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 1879-09-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF04S - 2-tert-Butyl-4-methylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 2409-55-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF05S - 2-tert-Butylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 88-18-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF07S - 2,6-di-tert-Butyl-p-cresol Standard, 100 µg/mL in Cyclohexane, CAS # 128-37-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJF08S - 2,4,6-tri-tert-Butylphenol Standard, 100 µg/mL in Cyclohexane, CAS # 732-26-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJFIS - Antioxidants in Jet fuel Internal Standard, 2000 µg/mL in Methylene Chloride, CAS # 105-13-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJFISPAK - Antioxidants in Jet fuel Internal Standard, 2000 µg/mL in Methylene Chloride, CAS # 105-13-5, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAOJFMIX01S - Antioxidants in Jet fuel Reference Standard, Varied Conc. in Cyclohexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoic-acid-neat-cas-65-85-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP001N - Benzoic acid, Neat, CAS # 65-85-0, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-benzoate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP002N - Sodium benzoate, Neat, CAS # 532-32-1, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-nitrite</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP003N - Potassium nitrite, Neat, CAS # 7758-09-0, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrite-neat-cas-7632-00-0-1g</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP004N - Sodium nitrite, Neat, CAS # 7632-00-0, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-nitrate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP005N - Sodium nitrate, Neat, CAS # 7631-99-4, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-nitrate-neat-cas-7757-79-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP006N - Potassium nitrate, Neat, CAS # 7757-79-1, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-paraben-neat-cas-99-76-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP007N - Methyl paraben, Neat, CAS # 99-76-3, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-paraben-neat-cas-120-47-8-1g</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP008N - Ethyl paraben, Neat, CAS # 120-47-8, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/butyl-paraben-neat-cas-94-26-8-1g</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP009N - Butyl paraben, Neat, CAS # 94-26-8, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionic-acid-neat-cas-79-09-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP010N - Propionic acid, Neat, CAS # 79-09-4, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sodium-propionate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP011N - Sodium propionate, Neat, CAS # 137-40-6, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/calcium-propionate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP012N - Calcium propionate, Neat, CAS # 4075-81-4, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/sorbic-acid-neat-cas-110-44-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP013N - Sorbic acid, Neat, CAS # 110-44-1, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/potassium-sorbate</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAP014N - Potassium Sorbate, Neat, CAS # 24634-61-5, 1 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthene-100-ug-ml-in-methanol-cas-83-32-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9001 - Acenaphthene, 100 µg/mL in MeOH, CAS # 83-32-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthene-1000-ug-ml-in-methanol-cas-83-32-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP900110X - Acenaphthene, 1000 µg/mL in MeOH, CAS # 83-32-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthylene-100-ug-ml-in-methanol-cas-208-96-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9002 - Acenaphthylene, 100 µg/mL in MeOH, CAS # 208-96-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthylene-1000-ug-ml-in-methanol-cas-208-96-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP900210X - Acenaphthylene, 1000 µg/mL in MeOH, CAS # 208-96-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9003 - Acetone, 100 µg/mL in MeOH, CAS # 67-64-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP900320X - Acetone, 2.0 mg/mL in MeOH, CAS # 67-64-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetophenone-100-ug-ml-in-dichloromethane-cas-98-86-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9004 - Acetophenone, 100 µg/mL in Dichloromethane, CAS # 98-86-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetophenone-2-0-mg-ml-in-dichloromethane-cas-98-86-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP900420X - Acetophenone, 2.0 mg/mL in Dichloromethane, CAS # 98-86-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-100-ug-ml-in-methanol-cas-75-05-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9005 - Acetonitrile, 100 µg/mL in MeOH, CAS # 75-05-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-1000-ug-ml-in-methanol-cas-75-05-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP900510X - Acetonitrile, 1000 µg/mL in MeOH, CAS # 75-05-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acetonitrile-5-0-mg-ml-in-methanol-cas-75-05-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP900550X - Acetonitrile, 5.0 mg/mL in MeOH, CAS # 75-05-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-acetylaminofluorene-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9006 - 2-Acetylaminofluorene, 100 µg/mL in Dichloromethane, CAS # 53-96-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9007 - Acrolein, 100 µg/mL in MeOH: Water 90:10, CAS # 107-02-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP900710X - Acrolein, 1000 µg/mL in MeOH: Water 90:10, CAS # 107-02-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9007W - Acrolein, 100 µg/mL in Water, CAS # 107-02-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9007W10X - Acrolein, 1000 µg/mL in Water, CAS # 107-02-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-100-ug-ml-in-methanol-cas-107-13-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9008 - Acrylonitrile, 100 µg/mL in MeOH, CAS # 107-13-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP900810X - Acrylonitrile, 1000 µg/mL in MeOH, CAS # 107-13-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP900810XPAK - Acrylonitrile, 1000 µg/mL in MeOH, CAS # 107-13-1, 5 x 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9009 - Aldrin, 100 µg/mL in Methanol, CAS # 309-00-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allyl-chloride-100-ug-ml-in-methanol-cas-107-05-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9010 - Allyl Chloride, 100 µg/mL in MeOH, CAS # 107-05-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/allyl-chloride-2-0-mg-ml-in-methanol-cas-107-05-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d42097ee-8a60-4cbe-aae7-ac26d8e0ff92.jpg?v=1761265639</image:loc>
      <image:title>*Allyl Chloride, 2.0 mg/mL in MeOH, CAS # 107-05-1, 1 mL</image:title>
      <image:caption>Image of AAPP901020X - Allyl Chloride, 2.0 mg/mL in MeOH, CAS # 107-05-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-aminobiphenyl-100-ug-ml-in-dichloromethane-cas-92-67-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9011 - 4-Aminobiphenyl, 100 µg/mL in Dichloromethane, CAS # 92-67-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-100-ug-ml-in-methanol-cas-62-53-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9012 - Aniline, 100 µg/mL in MeOH, CAS # 62-53-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aniline-1000-ug-ml-in-methanol-cas-62-53-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP901210X - Aniline, 1000 µg/mL in MeOH, CAS # 62-53-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-100-ug-ml-in-methanol-cas-120-12-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9013 - Anthracene, 100 µg/mL in Methanol, CAS # 120-12-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-1000-ug-ml-in-methanol-cas-120-12-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP901310X - Anthracene, 1000 µg/mL in Methanol, CAS # 120-12-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aramite-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9014 - Aramite, 100 µg/mL in Methanol, CAS # 140-57-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aramite-2000-ug-ml-in-dichloromethane-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9014D10X - Aramite, 2000 µg/mL in Dichloromethane, CAS # 140-57-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzene-100-ug-ml-in-methanol-cas-71-43-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9015 - Benzene, 100 µg/mL in MeOH, CAS # 71-43-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaanthracene-100-ug-ml-in-methanol-cas-56-55-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9016 - Benz(a)anthracene, 100 µg/mL in MeOH, CAS # 56-55-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaanthracene-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP901610X - Benz(a)anthracene, 1000 µg/mL in MeOH, CAS # 56-55-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzobfluoranthene-100-ug-ml-in-methanol-cas-205-99-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9017 - Benzo(b)fluoranthene, 100 µg/mL in MeOH, CAS # 205-99-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzobfluoranthene-1000-ug-ml-in-methanol-cas-205-99-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP901710X - Benzo(b)fluoranthene, 1000 µg/mL in Methanol, CAS # 205-99-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzokfluoranthene-100-ug-ml-in-methanol-cas-207-08-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9018 - Benzo(k)fluoranthene, 100 µg/mL in MeOH, CAS # 207-08-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzokfluoranthene-2-0-mg-ml-in-dichloromethane-cas-207-08-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9018D20X - Benzo(k)fluoranthene, 2.0 mg/mL in Dichloromethane, CAS # 207-08-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzog-h-iperylene-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9019 - Benzo(g,h,i)perylene, 100 µg/mL in Dichloromethane, CAS # 191-24-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP901910X - Benzo(g,h,i)perylene, 1000 µg/mL in Dichloromethane, CAS # 191-24-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoapyrene-100-ug-ml-in-methanol-cas-50-32-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9020 - Benz[a]pyrene, 100 µg/mL in MeOH, CAS # 50-32-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoapyrene-2-0-mg-ml-in-dichloromethane-cas-50-32-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9020D20X - Benz[a]pyrene, 2.0 mg/mL in Dichloromethane, CAS # 50-32-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzyl-alcohol-100-ug-ml-in-methanol-cas-100-51-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9021 - Benzyl Alcohol, 100 µg/mL in MeOH, CAS # 100-51-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP902150X - Benzyl Alcohol, 5.0 mg/mL in MeOH, CAS # 100-51-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9022 - a-BHC, 100 µg/mL in MeOH, CAS # 319-84-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9023 - b-BHC, 100 µg/mL in MeOH, CAS # 319-85-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9024 - d-BHC, 100 µg/mL in MeOH, CAS # 319-86-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9025 - Lindane, 100 µg/mL in MeOH, CAS # 58-89-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethoxymethane-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9026 - bis(2-Chloroethoxy)methane, 100 µg/mL in Dichloromethane, CAS # 111-91-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethoxymethane-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9026M10X - bis(2-Chloroethoxy)methane, 1000 µg/mL in MeOH, CAS # 111-91-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-chloroethylether-100-ug-ml-in-methanol-cas-111-44-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9027 - bis(2-Chloroethyl)ether, 100 µg/mL in MeOH, CAS # 111-44-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP902740X - bis(2-Chloroethyl)ether, 4.0 mg/mL in MeOH, CAS # 111-44-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9028 - bis(2-Chloro-1-methylethyl)ether, 100 µg/mL in Dichloromethane, CAS # 108-60-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bis2-ethylhexylphthalate-100-ug-ml-in-methanol-cas-117-81-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9029 - bis(2-Ethylhexyl)phthalate, 100 µg/mL in Methanol, CAS # 117-81-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP902910X - bis(2-Ethylhexyl)phthalate, 1000 µg/mL in Methanol, CAS # 117-81-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9030 - Bromodichloromethane, 100 µg/mL in MeOH, CAS # 75-27-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromoform-100-ug-ml-in-methanol-cas-75-25-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9031 - Bromoform, 100 µg/mL in MeOH, CAS # 75-25-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/bromomethane-100-ug-ml-in-methanol-cas-74-83-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9032 - Bromomethane, 100 µg/mL in MeOH, CAS # 74-83-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-bromophenyl-phenyl-ether-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9033 - 4-Bromophenyl Phenyl Ether, 100 µg/mL in MeOH, CAS # 101-55-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9034 - Benzyl Butyl Phthalate, 100 µg/mL in MeOH, CAS # 85-68-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-disulfide-100-ug-ml-in-methanol-cas-75-15-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9035 - Carbon Disulfide, 100 µg/mL in MeOH, CAS # 75-15-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP903520X - Carbon Disulfide, 2.0 mg/mL in MeOH, CAS # 75-15-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/carbon-tetrachloride-100-ug-ml-in-methanol-cas-56-23-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9036 - Carbon Tetrachloride, 100 µg/mL in MeOH, CAS # 56-23-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9037 - Chlordane, 100 µg/mL in MeOH, CAS # 12789-03-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-chloroaniline-100-ug-ml-in-methanol-cas-106-47-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9038 - p-Chloroaniline, 100 µg/mL in MeOH, CAS # 106-47-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzene-100-ug-ml-in-methanol-cas-108-90-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9039 - Chlorobenzene, 100 µg/mL in MeOH, CAS # 108-90-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzilate-100-ug-ml-in-dichloromethane-cas-510-15-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9040 - Chlorobenzilate, 100 µg/mL in Dichloromethane, CAS # 510-15-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9041 - 4-Chloro-3-Methylphenol, 100 µg/mL in MeOH, CAS # 59-50-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9042 - Chloroethane, 100 µg/mL in MeOH, CAS # 75-00-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9043 - Chloroform, 100 µg/mL in MeOH, CAS # 67-66-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloromethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9044 - Chloromethane, 100 µg/mL in MeOH, CAS # 74-87-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chloronaphthalene-100-ug-ml-in-methanol-cas-91-58-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9045 - 2-Chloronaphthalene, 100 µg/mL in MeOH, CAS # 91-58-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-100-ug-ml-in-methanol-cas-95-57-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9046 - 2-Chlorophenol, 100 µg/mL in MeOH, CAS # 95-57-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP904650X - 2-Chlorophenol, 5.0 mg/mL in MeOH, CAS # 95-57-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-chlorophenol-in-dichloromethane-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9046D20X - 2-Chlorophenol in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 95-57-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-chlorophenyl-phenyl-ether-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9047 - 4-Chlorophenyl Phenyl Ether, 100 µg/mL in MeOH, CAS # 7005-72-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-100-ug-ml-in-methanol-cas-126-99-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9048R1 - Chloroprene, 100 µg/mL in MeOH, CAS # 126-99-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9048R110X - Chloroprene, 1000 µg/mL in MeOH, CAS # 126-99-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-2-0-mg-ml-in-methanol-cas-126-99-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9048R120X - Chloroprene, 2.0 mg/mL in MeOH, CAS # 126-99-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-200-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9048R12X - Chloroprene, 200 µg/mL in MeOH, CAS # 126-99-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroprene-5000-ug-ml-in-methanol-cas-126-99-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9048R150X - Chloroprene, 5000 µg/mL in Methanol, CAS # 126-99-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-100-ug-ml-in-methanol-cas-218-01-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9049 - Chrysene, 100 µg/mL in MeOH, CAS # 218-01-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-2-0-mg-ml-in-dichloromethane-cas-218-01-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9049D20X - Chrysene, 2.0 mg/mL in Dichloromethane, CAS # 218-01-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-cresol-100-ug-ml-in-dichloromethane-cas-108-39-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9050 - m-Cresol, 100 µg/mL in Dichloromethane, CAS # 108-39-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-cresol-1000-ug-ml-in-dichloromethane-cas-108-39-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP905010X - m-Cresol, 1000 µg/mL in Dichloromethane, CAS # 108-39-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-cresol-100-ug-ml-in-dichloromethane-cas-95-48-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9051 - o-Cresol, 100 µg/mL in Dichloromethane, CAS # 95-48-7, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP905120X - o-Cresol, 2.0 mg/mL in Dichloromethane, CAS # 95-48-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-cresol-100-ug-ml-in-dichloromethane-cas-106-44-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_5a65ebea-12df-4636-8790-04bee3c33593.jpg?v=1761265691</image:loc>
      <image:title>*p-Cresol, 100 µg/mL in Dichloromethane, CAS # 106-44-5, 1 mL</image:title>
      <image:caption>Image of AAPP9052 - p-Cresol, 100 µg/mL in Dichloromethane, CAS # 106-44-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-cresol-2-0-mg-ml-in-dichloromethane-cas-106-44-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2c56ec6a-e6d3-400b-a822-3cac38e0cfce.jpg?v=1761265695</image:loc>
      <image:title>*p-Cresol, 2.0 mg/mL in Dichloromethane, CAS # 106-44-5, 1 mL</image:title>
      <image:caption>Image of AAPP905220X - p-Cresol, 2.0 mg/mL in Dichloromethane, CAS # 106-44-5, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9053 - 2,4-D, 100 µg/mL in Methanol, CAS # 94-75-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-ddd-100-ug-ml-in-methanol-cas-72-54-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9054 - 4,4&apos;-DDD, 100 µg/mL in MeOH, CAS # 72-54-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-dde-100-ug-ml-in-methanol-cas-72-55-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9055 - 4,4&apos;-DDE, 100 µg/mL in MeOH, CAS # 72-55-9, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9056 - p,p&apos;-DDT, 100 µg/mL in Methanol, CAS # 50-29-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diallate-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9057 - Diallate, 100 µg/mL in MeOH, CAS # 2303-16-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenza-hanthracene-100-ug-ml-in-methanol-cas-53-70-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9058 - Dibenz(a,h)anthracene, 100 µg/mL in Methanol, CAS # 53-70-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzofuran-100-ug-ml-in-methanol-cas-132-64-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9059 - Dibenzofuran, 100 µg/mL in MeOH, CAS # 132-64-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibenzofuran-200-ug-ml-in-methanol-cas-132-64-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP90592X - Dibenzofuran, 200 µg/mL in MeOH, CAS # 132-64-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromochloromethane-100-ug-ml-in-methanol-cas-124-48-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9060 - Dibromochloromethane, 100 µg/mL in MeOH, CAS # 124-48-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dibromo-3-chloropropane-100-ug-ml-in-methanol-cas-96-12-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9061 - 1,2-Dibromo-3-chloropropane, 100 µg/mL in Methanol, CAS # 96-12-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dibromomethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9062 - Dibromomethane, 100 µg/mL in MeOH, CAS # 74-95-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/di-n-butyl-phthalate-100-ug-ml-in-methanol-cas-84-74-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9063 - Di-n-butyl Phthalate, 100 µg/mL in MeOH, CAS # 84-74-2, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*Di-n-butyl phthalate, 1000 µg/mL in MeOH, CAS # 84-74-2, 1 mL</image:title>
      <image:caption>Image of AAPP906310X - Di-n-butyl phthalate, 1000 µg/mL in MeOH, CAS # 84-74-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichlorobenzene-100-ug-ml-in-methanol-cas-95-50-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9064 - 1,2-Dichlorobenzene, 100 µg/mL in MeOH, CAS # 95-50-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-dichlorobenzene-100-ug-ml-in-methanol-cas-541-73-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9065 - m-Dichlorobenzene, 100 µg/mL in MeOH, CAS # 541-73-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dichlorobenzene-100-ug-ml-in-methanol-cas-106-46-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9066 - p-Dichlorobenzene, 100 µg/mL in MeOH, CAS # 106-46-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9067 - 3,3&apos;-Dichlorobenzidine, 100 µg/mL in MeOH, CAS # 91-94-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trans-1-4-dichloro-2-butene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9068 - trans-1,4-Dichloro-2-butene, 100 µg/mL in MeOH, CAS # 110-57-6, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP906820X - trans-1,4-Dichloro-2-butene, 2.0 mg/mL in MeOH, CAS # 110-57-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorodifluoromethane-100-ug-ml-in-methanol-cas-75-71-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9069 - Dichlorodifluoromethane, 100 µg/mL in MeOH, CAS # 75-71-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-dichloroethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9070 - 1,1-Dichloroethane, 100 µg/mL in MeOH, CAS # 75-34-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9071 - 1,2-Dichloroethane, 100 µg/mL in MeOH, CAS # 107-06-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9072 - 1,1-Dichloroethene, 100 µg/mL in MeOH, CAS # 75-35-4, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9073 - trans-1,2-Dichloroethene, 100 µg/mL in MeOH, CAS # 156-60-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichloromethane-100-ug-ml-in-methanol-cas-75-09-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9074 - Dichloromethane, 100 µg/mL in MeOH, CAS # 75-09-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9075 - 2,4-Dichlorophenol, 100 µg/mL in MeOH, CAS # 120-83-2, 1 mL</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>2026-07-21T15:45:31-04:00</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>
      <image:title>*2,4-Dichlorophenol, 5.0 mg/mL in MeOH, CAS # 120-83-2, 1 mL</image:title>
      <image:caption>Image of AAPP907550X - 2,4-Dichlorophenol, 5.0 mg/mL in MeOH, CAS # 120-83-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-100-ug-ml-in-dichloromethane-cas-87-65-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9076 - 2,6-Dichlorophenol, 100 µg/mL in Dichloromethane, CAS # 87-65-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dichlorophenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*2,6-Dichlorophenol, 5.0 mg/mL in MeOH, CAS # 87-65-0, 1 mL</image:title>
      <image:caption>Image of AAPP9076M50X - 2,6-Dichlorophenol, 5.0 mg/mL in MeOH, CAS # 87-65-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-dichloropropane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*1,2-Dichloropropane, 100 µg/mL in Methanol, CAS # 78-87-5, 1 mL</image:title>
      <image:caption>Image of AAPP9077 - 1,2-Dichloropropane, 100 µg/mL in Methanol, CAS # 78-87-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/cis-1-3-dichloropropene-100-ug-ml-in-methanol-cas-10061-01-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9078 - cis-1,3-Dichloropropene, 100 µg/mL in Methanol, CAS # 10061-01-5, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9079 - trans-1,3-Dichloropropene, 100 µg/mL in MeOH, CAS # 10061-02-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dieldrin-100-ug-ml-in-methanol-app-9-080-cas-60-57-1-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9080 - Dieldrin, 100 µg/mL in Methanol, CAS # 60-57-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-100-ug-ml-in-methanol-app-9-081-cas-84-66-2-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9081 - Diethyl phthalate, 100 µg/mL in Methanol, CAS # 84-66-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diethyl-phthalate-1000-ug-ml-in-methanol-cas-84-66-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP908110X - Diethyl phthalate, 1000 µg/mL in Methanol, CAS # 84-66-2, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9082 - Dimethoate, 100 µg/mL in MeOH, CAS # 60-51-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-dimethylaminoazobenzene-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9083 - 4-Dimethylaminoazobenzene, 100 µg/mL in Dichloromethane, CAS # 60-11-7, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9084 - 7,12-Dimethylbenz(a)anthracene, 100 µg/mL in Dichloromethane, CAS # 57-97-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-dimethylbenzidine-100-ug-ml-in-dichloromethane-cas-119-93-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9085 - 3,3&apos;-Dimethylbenzidine, 100 µg/mL in Dichloromethane, CAS # 119-93-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-3-dimethylbenzidine-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:title>*3,3&apos;-Dimethylbenzidine, 2.0 mg/mL in Dichloromethane, CAS # 119-93-7, 1 mL</image:title>
      <image:caption>Image of AAPP908520X - 3,3&apos;-Dimethylbenzidine, 2.0 mg/mL in Dichloromethane, CAS # 119-93-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-a-dimethylphenethylamine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9086 - a,a-Dimethylphenethylamine, 100 µg/mL in Dichloromethane, CAS # 122-09-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/a-a-dimethylphenethylamine-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:title>*a,a-Dimethylphenethylamine, 2.0 mg/mL in Dichloromethane, CAS # 122-09-8, 1 mL</image:title>
      <image:caption>Image of AAPP908620X - a,a-Dimethylphenethylamine, 2.0 mg/mL in Dichloromethane, CAS # 122-09-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9087 - 2,4-Dimethylphenol, 100 µg/mL in MeOH, CAS # 105-67-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-4-dimethylphenol-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*2,4-Dimethylphenol, 5.0 mg/mL in MeOH, CAS # 105-67-9, 1 mL</image:title>
      <image:caption>Image of AAPP908750X - 2,4-Dimethylphenol, 5.0 mg/mL in MeOH, CAS # 105-67-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-100-ug-ml-in-methanol-cas-131-11-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9088 - Dimethyl phthalate, 100 µg/mL in MeOH, CAS # 131-11-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dimethyl-phthalate-1000-ug-ml-in-methanol-cas-131-11-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP908810X - Dimethyl phthalate, 1000 µg/mL in Methanol, CAS # 131-11-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-dinitrobenzene-100-ug-ml-in-dichloromethane-cas-99-65-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9089 - m-Dinitrobenzene, 100 µg/mL in Dichloromethane, CAS # 99-65-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-dinitrobenzene-1000-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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>
      <image:title>*m-Dinitrobenzene, 1000 µg/mL in Dichloromethane, CAS # 99-65-0, 1 mL</image:title>
      <image:caption>Image of AAPP908910X - m-Dinitrobenzene, 1000 µg/mL in Dichloromethane, CAS # 99-65-0, 1 mL</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>2026-07-21T15:45:31-04:00</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>
      <image:title>*4,6-Dinitro-o-cresol, 100 µg/mL in MeOH, CAS # 534-52-1, 1 mL</image:title>
      <image:caption>Image of AAPP9090 - 4,6-Dinitro-o-cresol, 100 µg/mL in MeOH, CAS # 534-52-1, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*4,6-Dinitro-o-cresol, 1000 µg/mL in MeOH, CAS # 534-52-1, 1 mL</image:title>
      <image:caption>Image of AAPP909010X - 4,6-Dinitro-o-cresol, 1000 µg/mL in MeOH, CAS # 534-52-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9091 - 2,4-Dinitrophenol, 100 µg/mL in MeOH, CAS # 51-28-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP909110X - 2,4-Dinitrophenol, 1000 µg/mL in MeOH, CAS # 51-28-5, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*2,4-Dinitrophenol, 5.0 mg/mL in MeOH, CAS # 51-28-5, 1 mL</image:title>
      <image:caption>Image of AAPP909150X - 2,4-Dinitrophenol, 5.0 mg/mL in MeOH, CAS # 51-28-5, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9092 - 2,4-Dinitrotoluene, 100 µg/mL in MeOH, CAS # 121-14-2, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*2,4-Dinitrotoluene, 1000 µg/mL in MeOH, CAS # 121-14-2, 1 mL</image:title>
      <image:caption>Image of AAPP909210X - 2,4-Dinitrotoluene, 1000 µg/mL in MeOH, CAS # 121-14-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9093 - 2,6-Dinitrotoluene, 100 µg/mL in MeOH, CAS # 606-20-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-6-dinitrotoluene-1000ug-ml-in-methanol</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*2,6-Dinitrotoluene, 1000 µg/mL in MeOH, CAS # 606-20-2, 1 mL</image:title>
      <image:caption>Image of AAPP909310X - 2,6-Dinitrotoluene, 1000 µg/mL in MeOH, CAS # 606-20-2, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9094 - Dinoseb, 100 µg/mL in MeOH, CAS # 88-85-7, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9095 - Di-n-octyl Phthalate, 100 µg/mL in MeOH, CAS # 117-84-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dioxane-100-ug-ml-in-methanol-cas-123-91-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9096 - p-Dioxane, 100 µg/mL in MeOH, CAS # 123-91-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-dioxane-1000-ug-ml-in-methanol-cas-123-91-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2cbd9bef-1dd1-4e2c-b75d-d75b749050d6.jpg?v=1761265738</image:loc>
      <image:title>*p-Dioxane, 1000 µg/mL in MeOH, CAS # 123-91-1, 1 mL</image:title>
      <image:caption>Image of AAPP909610X - p-Dioxane, 1000 µg/mL in MeOH, CAS # 123-91-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine-100-ug-ml-in-dichloromethane-cas-122-39-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c7128ba1-14bd-40dd-b9b4-f045fa160eda.jpg?v=1761265742</image:loc>
      <image:title>*Diphenylamine, 100 µg/mL in Dichloromethane, CAS # 122-39-4, 1 mL</image:title>
      <image:caption>Image of AAPP9097 - Diphenylamine, 100 µg/mL in Dichloromethane, CAS # 122-39-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/diphenylamine-1000ug-ml-in-acetone</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_62594463-29ca-4222-907e-b514f2069290.jpg?v=1761265746</image:loc>
      <image:title>*Diphenylamine, 1000 µg/mL in Acetone, CAS # 122-39-4, 1 mL</image:title>
      <image:caption>Image of AAPP9097A10X - Diphenylamine, 1000 µg/mL in Acetone, CAS # 122-39-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/disulfoton-100-ug-ml-in-methanol-app-9-098-cas-298-04-4-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9039987-498a-4a36-b229-754b900bd894.jpg?v=1761265750</image:loc>
      <image:title>*Disulfoton, 100 µg/mL in MeOH, CAS # 298-04-4, 1 mL</image:title>
      <image:caption>Image of AAPP9098 - Disulfoton, 100 µg/mL in MeOH, CAS # 298-04-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endosulfan-i-100-ug-ml-in-methanol-app-9-099-cas-959-98-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b7261373-859c-452c-be4d-677a0c273ab7.jpg?v=1761265753</image:loc>
      <image:title>*Endosulfan I, 100 µg/mL in Methanol, CAS # 959-98-8, 1 mL</image:title>
      <image:caption>Image of AAPP9099 - Endosulfan I, 100 µg/mL in Methanol, CAS # 959-98-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endosulfan-ii-100-ug-ml-in-methanol-app-9-100-cas-33213-65-9-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8831d64a-2352-4c0e-ad55-1a3e63457f6e.jpg?v=1761265756</image:loc>
      <image:title>*Endosulfan II, 100 µg/mL in Methanol, CAS # 33213-65-9, 1 mL</image:title>
      <image:caption>Image of AAPP9100 - Endosulfan II, 100 µg/mL in Methanol, CAS # 33213-65-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endosulfan-sulfate-100-ug-ml-in-methanol-app-9-101-cas-1031-07-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_34441f00-cd50-4b8b-8aa7-3bb1ef092287.jpg?v=1761265760</image:loc>
      <image:title>*Endosulfan Sulfate, 100 µg/mL in MeOH, CAS # 1031-07-8, 1 mL</image:title>
      <image:caption>Image of AAPP9101 - Endosulfan Sulfate, 100 µg/mL in MeOH, CAS # 1031-07-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-100-ug-ml-in-methanol-app-9-102-cas-72-20-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c64d0ac6-c58b-4213-a747-a1ecb2c3a07b.jpg?v=1761265763</image:loc>
      <image:title>*Endrin, 100 µg/mL in Methanol, CAS # 72-20-8, 1 mL</image:title>
      <image:caption>Image of AAPP9102 - Endrin, 100 µg/mL in Methanol, CAS # 72-20-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-aldehyde-100-ug-ml-in-methanol-app-9-103-cas-7421-93-4-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_955d99db-4688-4bc4-ab42-bf2b1fe87677.jpg?v=1761265767</image:loc>
      <image:title>*Endrin Aldehyde, 100 µg/mL in MeOH, CAS # 7421-93-4, 1 mL</image:title>
      <image:caption>Image of AAPP9103 - Endrin Aldehyde, 100 µg/mL in MeOH, CAS # 7421-93-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylbenzene-100-ug-ml-in-methanol-cas-100-41-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e8ff3f40-b12d-4bf9-8fb8-77d1b2b98dd4.jpg?v=1761265770</image:loc>
      <image:title>*Ethylbenzene, 100 µg/mL in MeOH, CAS # 100-41-4, 1 mL</image:title>
      <image:caption>Image of AAPP9104 - Ethylbenzene, 100 µg/mL in MeOH, CAS # 100-41-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-methacrylate-100-ug-ml-in-methanol-cas-97-63-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8634bbf7-805e-49be-9c5c-35942ba6cbe9.jpg?v=1761265774</image:loc>
      <image:title>*Ethyl Methacrylate, 100 µg/mL in MeOH, CAS # 97-63-2, 1 mL</image:title>
      <image:caption>Image of AAPP9105 - Ethyl Methacrylate, 100 µg/mL in MeOH, CAS # 97-63-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethyl-methanesulfonate-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c59f258f-352c-47db-acea-2831e09ff3da.jpg?v=1761265778</image:loc>
      <image:title>*Ethyl Methanesulfonate, 100 µg/mL in Dichloromethane, CAS # 62-50-0, 1 mL</image:title>
      <image:caption>Image of AAPP9106 - Ethyl Methanesulfonate, 100 µg/mL in Dichloromethane, CAS # 62-50-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/famphur-100-ug-ml-in-methanol-cas-52-85-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_582fd875-4454-4ec8-954f-a18a3ee043aa.jpg?v=1761265781</image:loc>
      <image:title>*Famphur, 100 µg/mL in MeOH, CAS # 52-85-7, 1 mL</image:title>
      <image:caption>Image of AAPP9107 - Famphur, 100 µg/mL in MeOH, CAS # 52-85-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluoranthene-100-ug-ml-in-methanol-cas-206-44-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f9818462-abd0-4d7c-8c67-9b0186059a89.jpg?v=1761265785</image:loc>
      <image:title>*Fluoranthene, 100 µg/mL in MeOH, CAS # 206-44-0, 1 mL</image:title>
      <image:caption>Image of AAPP9108 - Fluoranthene, 100 µg/mL in MeOH, CAS # 206-44-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluoranthene-cas-206-44-0-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_67f26ad8-1b4b-46f3-b07b-2ae20168cc09.jpg?v=1761265788</image:loc>
      <image:title>*Fluoranthene, 1000 µg/mL in MeOH, CAS # 206-44-0, 1 mL</image:title>
      <image:caption>Image of AAPP910810X - Fluoranthene, 1000 µg/mL in MeOH, CAS # 206-44-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorene-100-ug-ml-in-methanol-cas-86-73-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_eef0171e-24e7-427c-bde2-ca14a193265d.jpg?v=1761265792</image:loc>
      <image:title>*Fluorene, 100 µg/mL in MeOH, CAS # 86-73-7, 1 mL</image:title>
      <image:caption>Image of AAPP9109 - Fluorene, 100 µg/mL in MeOH, CAS # 86-73-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorene-cas-86-73-7-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d2e755c0-09c9-4c2c-a209-1686bbc142f0.jpg?v=1761265795</image:loc>
      <image:title>*Fluorene, 1000 µg/mL in MeOH, CAS # 86-73-7, 1 mL</image:title>
      <image:caption>Image of AAPP910910X - Fluorene, 1000 µg/mL in MeOH, CAS # 86-73-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/heptachlor-100-ug-ml-in-methanol-app-9-110-cas-76-44-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a25c1126-9ba2-4265-9a52-3bb96c353a54.jpg?v=1761265799</image:loc>
      <image:title>*Heptachlor, 100 µg/mL in MeOH, CAS # 76-44-8, 1 mL</image:title>
      <image:caption>Image of AAPP9110 - Heptachlor, 100 µg/mL in MeOH, CAS # 76-44-8, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_306a0e1a-8758-4376-a783-1b7f4e1b5ddd.jpg?v=1761265802</image:loc>
      <image:title>*Heptachlor epoxide (Isomer B), 100 µg/mL in Methanol, CAS # 1024-57-3, 1 mL</image:title>
      <image:caption>Image of AAPP9111 - Heptachlor epoxide (Isomer B), 100 µg/mL in Methanol, CAS # 1024-57-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-100-ug-ml-in-methanol-cas-118-74-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4bd46d2c-84b4-4d6a-903f-8bf70226ab6b.jpg?v=1761265806</image:loc>
      <image:title>*Hexachlorobenzene, 100 µg/mL in Methanol, CAS # 118-74-1, 1 mL</image:title>
      <image:caption>Image of AAPP9112 - Hexachlorobenzene, 100 µg/mL in Methanol, CAS # 118-74-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-standard-1000-ug-ml-in-acetone</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8b708e90-47d5-4509-9026-3de78b5beae8.jpg?v=1761265810</image:loc>
      <image:title>*Hexachlorobenzene, 1000 µg/mL in Acetone, CAS # 118-74-1, 1 mL</image:title>
      <image:caption>Image of AAPP9112A10X - Hexachlorobenzene, 1000 µg/mL in Acetone, CAS # 118-74-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobenzene-2-0-mg-ml-in-dichloromethane-cas-118-74-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4936dcbb-e7b3-4852-955e-7f2a803b772a.jpg?v=1761265813</image:loc>
      <image:title>*Hexachlorobenzene in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 118-74-1, 1 mL</image:title>
      <image:caption>Image of AAPP9112D20X - Hexachlorobenzene in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 118-74-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobutadiene-100-ug-ml-in-methanol-cas-87-68-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c75c1d1d-1ca0-4b77-9a62-67dc79a3899c.jpg?v=1761265817</image:loc>
      <image:title>*Hexachlorobutadiene, 100 µg/mL in MeOH, CAS # 87-68-3, 1 mL</image:title>
      <image:caption>Image of AAPP9113 - Hexachlorobutadiene, 100 µg/mL in MeOH, CAS # 87-68-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorocyclopentadiene-100-ug-ml-in-methanol-cas-77-47-4-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fa842b72-d94a-4dd6-8e85-411c165b44aa.jpg?v=1761265821</image:loc>
      <image:title>*Hexachlorocyclopentadiene, 100 µg/mL in Methanol, CAS # 77-47-4, 1 mL</image:title>
      <image:caption>Image of AAPP9114 - Hexachlorocyclopentadiene, 100 µg/mL in Methanol, CAS # 77-47-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorocyclopentadiene-1000-ug-ml-in-methanol-app-9-114-10x-cas-77-47-4-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6d789ae6-161d-4785-9a2b-eaf0b4da3a8e.jpg?v=1761265824</image:loc>
      <image:title>*Hexachlorocyclopentadiene, 1000 µg/mL in MeOH, CAS # 77-47-4, 1 mL</image:title>
      <image:caption>Image of AAPP911410X - Hexachlorocyclopentadiene, 1000 µg/mL in MeOH, CAS # 77-47-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachloroethane-100-ug-ml-in-methanol-cas-67-72-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_a840eb5f-b0cd-4e4d-a5b3-a5402766f5a1.jpg?v=1761265828</image:loc>
      <image:title>*Hexachloroethane, 100 µg/mL in MeOH, CAS # 67-72-1, 1 mL</image:title>
      <image:caption>Image of AAPP9115 - Hexachloroethane, 100 µg/mL in MeOH, CAS # 67-72-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_aaa7919c-dce5-4f05-aeab-44fc76ad4ce7.jpg?v=1761265832</image:loc>
      <image:title>*Hexachlorophene, 100 µg/mL in MeOH, CAS # 70-30-4, 1 mL</image:title>
      <image:caption>Image of AAPP9116 - Hexachlorophene, 100 µg/mL in MeOH, CAS # 70-30-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorophene-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fccdfa8d-c6d1-442b-bca4-0947caa523b6.jpg?v=1761265835</image:loc>
      <image:title>*Hexachlorophene, 2.0 mg/mL in Dichloromethane, CAS # 70-30-4, 1 mL</image:title>
      <image:caption>Image of AAPP9116D20X - Hexachlorophene, 2.0 mg/mL in Dichloromethane, CAS # 70-30-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachloropropene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9117 - Hexachloropropene, 100 µg/mL in MeOH, CAS # 1888-71-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-hexanone-100-ug-ml-in-methanol-cas-591-78-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*2-Hexanone, 100 µg/mL in MeOH, CAS # 591-78-6, 1 mL</image:title>
      <image:caption>Image of AAPP9118 - 2-Hexanone, 100 µg/mL in MeOH, CAS # 591-78-6, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_635f460a-5876-4ee5-adca-a2208a53b107.jpg?v=1761265846</image:loc>
      <image:title>*2-Hexanone, 2.0 mg/mL in MeOH, CAS # 591-78-6, 1 mL</image:title>
      <image:caption>Image of AAPP911820X - 2-Hexanone, 2.0 mg/mL in MeOH, CAS # 591-78-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/indeno1-2-3-cdpyrene-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9119 - Indeno(1,2,3-cd)pyrene, 100 µg/mL in MeOH, CAS # 193-39-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-alcohol-100-ug-ml-in-methanol-cas-78-83-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f46303da-2698-4b6d-b796-a00a9586e8de.jpg?v=1761265853</image:loc>
      <image:title>*Isobutyl Alcohol, 100 µg/mL in MeOH, CAS # 78-83-1, 1 mL</image:title>
      <image:caption>Image of AAPP9120 - Isobutyl Alcohol, 100 µg/mL in MeOH, CAS # 78-83-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isobutyl-alcohol-2-0-mg-ml-in-methanol-cas-78-83-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ca02a6ce-79b3-4cfc-b80f-918e54da8cd7.jpg?v=1761265856</image:loc>
      <image:title>*Isobutyl Alcohol, 2.0 mg/mL in MeOH, CAS # 78-83-1, 1 mL</image:title>
      <image:caption>Image of AAPP912020X - Isobutyl Alcohol, 2.0 mg/mL in MeOH, CAS # 78-83-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isodrin-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6dc0f931-d977-4edd-b3f6-b334f8be3e9f.jpg?v=1761265860</image:loc>
      <image:title>*Isodrin, 100 µg/mL in Methanol, CAS # 465-73-6, 1 mL</image:title>
      <image:caption>Image of AAPP9121 - Isodrin, 100 µg/mL in Methanol, CAS # 465-73-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isodrin-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_3ae9004a-a37e-4d2e-8341-bc3bad9e8b10.jpg?v=1761265863</image:loc>
      <image:title>*Isodrin, 1000 µg/mL in MeOH, CAS # 465-73-6, 1 mL</image:title>
      <image:caption>Image of AAPP912110X - Isodrin, 1000 µg/mL in MeOH, CAS # 465-73-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isophorone-100-ug-ml-in-methanol-cas-78-59-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b0b29b77-1974-4bd1-8615-fc0ead6c19e9.jpg?v=1761265867</image:loc>
      <image:title>*Isophorone, 100 µg/mL in MeOH, CAS # 78-59-1, 1 mL</image:title>
      <image:caption>Image of AAPP9122 - Isophorone, 100 µg/mL in MeOH, CAS # 78-59-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isophorone-1000-ug-ml-in-methanol-app-9-122-10x-cas-78-59-1-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_336cf3ea-892e-4445-b22e-3cf6139840ea.jpg?v=1761265870</image:loc>
      <image:title>*Isophorone, 1000 µg/mL in MeOH, CAS # 78-59-1, 1 mL</image:title>
      <image:caption>Image of AAPP912210X - Isophorone, 1000 µg/mL in MeOH, CAS # 78-59-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/isosafrole-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9123 - Isosafrole, 100 µg/mL in Dichloromethane, CAS # 120-58-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/kepone-100-ug-ml-in-methanol-app-9-124-cas-143-50-0-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9124 - Kepone, 100 µg/mL in MeOH, CAS # 143-50-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methacrylonitrile-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*Methacrylonitrile, 100 µg/mL in MeOH, CAS # 126-98-7, 1 mL</image:title>
      <image:caption>Image of AAPP9125 - Methacrylonitrile, 100 µg/mL in MeOH, CAS # 126-98-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methoxychlor-100-ug-ml-in-methanol-app-9-127-cas-72-43-5-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*Methoxychlor, 100 µg/mL in MeOH, CAS # 72-43-5, 1 mL</image:title>
      <image:caption>Image of AAPP9127 - Methoxychlor, 100 µg/mL in MeOH, CAS # 72-43-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/3-methylcholanthrene-100-ug-ml-in-dichloromethane-cas-56-49-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9128 - 3-Methylcholanthren, 100 µg/mL in Dichloromethane, CAS # 56-49-5, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9129 - Methyl ethyl ketone, 100 µg/mL in MeOH, CAS # 78-93-3, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*Methyl ethyl ketone, 1000 µg/mL in MeOH, CAS # 78-93-3, 1 mL</image:title>
      <image:caption>Image of AAPP912910X - Methyl ethyl ketone, 1000 µg/mL in MeOH, CAS # 78-93-3, 1 mL</image:caption>
    </image:image>
  </url>
  <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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*Methyl ethyl ketone, 2.0 mg/mL in MeOH, CAS # 78-93-3, 1 mL</image:title>
      <image:caption>Image of AAPP912920X - Methyl ethyl ketone, 2.0 mg/mL in MeOH, CAS # 78-93-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-iodide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9130 - Methyl iodide, 100 µg/mL in MeOH, CAS # 74-88-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-iodide-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:title>*Methyl Iodide, 2.0 mg/mL in MeOH, CAS # 74-88-4, 1 mL</image:title>
      <image:caption>Image of AAPP913020X - Methyl Iodide, 2.0 mg/mL in MeOH, CAS # 74-88-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-100-ug-ml-in-methanol-cas-80-62-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9131 - Methyl methacrylate, 100 µg/mL in MeOH, CAS # 80-62-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methacrylate-2-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_bd70e42f-4b0a-4a9e-aafb-18f11dd02bf8.jpg?v=1761265914</image:loc>
      <image:title>*Methyl methacrylate, 2.0 mg/mL in MeOH, CAS # 80-62-6, 1 mL</image:title>
      <image:caption>Image of AAPP913120X - Methyl methacrylate, 2.0 mg/mL in MeOH, CAS # 80-62-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-methanesulfonate-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9132 - Methyl methanesulfonate, 100 µg/mL in Dichloromethane, CAS # 66-27-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methylnaphthalene-100-ug-ml-in-dichloromethane-cas-91-57-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9133 - 2-Methylnaphthalene, 100 µg/mL in Dichloromethane, CAS # 91-57-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-methylnaphthalene-2-0-mg-ml-in-dichloromethane-cas-91-57-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_98af1e80-8dae-4419-a990-8f9b35bbe2a1.jpg?v=1761265924</image:loc>
      <image:title>*2-Methylnaphthalene in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 91-57-6, 1 mL</image:title>
      <image:caption>Image of AAPP913320X - 2-Methylnaphthalene in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 91-57-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-parathion-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AAPP9134 - Methyl parathion, 100 µg/mL in MeOH, CAS # 298-00-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-2-pentanone-100-ug-ml-in-methanol-cas-108-10-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9f98a6eb-67b9-4dbc-972f-5f5008a3b87a.jpg?v=1761265932</image:loc>
      <image:title>*4-Methyl-2-pentanone, 100 µg/mL in Methanol, CAS # 108-10-1, 1 mL</image:title>
      <image:caption>Image of AAPP9135 - 4-Methyl-2-pentanone, 100 µg/mL in Methanol, CAS # 108-10-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-methyl-2-pentanone-2-0-mg-ml-in-methanol-cas-108-10-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_7c25a7e0-aa20-4b4e-a1a8-458917c86905.jpg?v=1761265935</image:loc>
      <image:title>*4-Methyl-2-pentanone, 2.0 mg/mL in MeOH, CAS # 108-10-1, 1 mL</image:title>
      <image:caption>Image of AAPP913520X - 4-Methyl-2-pentanone, 2.0 mg/mL in MeOH, CAS # 108-10-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/naphthalene-100-ug-ml-in-dichloromethane-cas-91-20-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9136 - Naphthalene, 100 µg/mL in Dichloromethane, CAS # 91-20-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-4-naphthoquinone-100-ug-ml-in-dichloromethane-cas-130-15-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9137 - 1,4-Naphthoquinone, 100 µg/mL in Dichloromethane, CAS # 130-15-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-naphthylamine-100-ug-ml-in-dichloromethane-cas-134-32-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9f7de74b-ac11-4307-a841-8b8c10c14d63.jpg?v=1761265945</image:loc>
      <image:title>*1-Naphthylamine, 100 µg/mL in Dichloromethane, CAS # 134-32-7, 1 mL</image:title>
      <image:caption>Image of AAPP9138 - 1-Naphthylamine, 100 µg/mL in Dichloromethane, CAS # 134-32-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-naphthylamine-100-ug-ml-in-dichloromethane-cas-91-59-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b5ba61e3-3d8e-4698-8e18-0161dd3378dc.jpg?v=1761265949</image:loc>
      <image:title>*2-Naphthylamine, 100 µg/mL in Dichloromethane, CAS # 91-59-8, 1 mL</image:title>
      <image:caption>Image of AAPP9139 - 2-Naphthylamine, 100 µg/mL in Dichloromethane, CAS # 91-59-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-nitroaniline-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1f805bae-9009-4ce5-8c23-17e825f9e6b6.jpg?v=1761265952</image:loc>
      <image:title>*o-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 88-74-4, 1 mL</image:title>
      <image:caption>Image of AAPP9140 - o-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 88-74-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/m-nitroaniline-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ac19c500-6a9e-42a3-8e16-713d7c435078.jpg?v=1761265956</image:loc>
      <image:title>*m-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 99-09-2, 1 mL</image:title>
      <image:caption>Image of AAPP9141 - m-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 99-09-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-nitroaniline-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e3a02d39-78b0-43de-a79f-047a8bb03806.jpg?v=1761265959</image:loc>
      <image:title>*p-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 100-01-6, 1 mL</image:title>
      <image:caption>Image of AAPP9142 - p-Nitroaniline, 100 µg/mL in Dichloromethane, CAS # 100-01-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrobenzene-100-ug-ml-in-methanol-cas-98-95-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cc63fd22-a46a-41ef-8da8-f2d666a9849e.jpg?v=1761265963</image:loc>
      <image:title>*Nitrobenzene, 100 µg/mL in MeOH, CAS # 98-95-3, 1 mL</image:title>
      <image:caption>Image of AAPP9143 - Nitrobenzene, 100 µg/mL in MeOH, CAS # 98-95-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrobenzene-1000-ug-ml-in-methanol-cas-98-95-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d7fcd69c-dce9-4d59-8e99-b57f5b284cd5.jpg?v=1761265966</image:loc>
      <image:title>*Nitrobenzene, 1000 µg/mL in MeOH, CAS # 98-95-3, 1 mL</image:title>
      <image:caption>Image of AAPP914310X - Nitrobenzene, 1000 µg/mL in MeOH, CAS # 98-95-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-nitrophenol-100-ug-ml-in-methanol-cas-88-75-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_39c9692c-e424-4fbc-bf31-7fb3cce66186.jpg?v=1761265970</image:loc>
      <image:title>*o-Nitrophenol, 100 µg/mL in MeOH, CAS # 88-75-5, 1 mL</image:title>
      <image:caption>Image of AAPP9144 - o-Nitrophenol, 100 µg/mL in MeOH, CAS # 88-75-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-nitrophenol-5-0-mg-ml-in-methanol-cas-88-75-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1a1e7a79-4baa-4e50-bcf0-f173f99374a4.jpg?v=1761265974</image:loc>
      <image:title>*o-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 88-75-5, 1 mL</image:title>
      <image:caption>Image of AAPP914450X - o-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 88-75-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-nitrophenol-100-ug-ml-in-methanol-cas-100-02-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fa0a306c-1eb1-4567-90bf-0b7b18949d05.jpg?v=1761265977</image:loc>
      <image:title>*p-Nitrophenol, 100 µg/mL in MeOH, CAS # 100-02-7, 1 mL</image:title>
      <image:caption>Image of AAPP9145 - p-Nitrophenol, 100 µg/mL in MeOH, CAS # 100-02-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-nitrophenol-5-0-mg-ml-in-methanol-cas-100-02-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_46a36a54-a211-499d-9995-9ba848624bc5.jpg?v=1761265981</image:loc>
      <image:title>*p-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 100-02-7, 1 mL</image:title>
      <image:caption>Image of AAPP914550X - p-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 100-02-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-nitroquinoline-1-oxide-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_44202f55-0f21-4180-8faa-4fe2d1309ffd.jpg?v=1761265984</image:loc>
      <image:title>*4-Nitroquinoline-1-oxide, 100 µg/mL in Dichloromethane, CAS # 56-57-5, 1 mL</image:title>
      <image:caption>Image of AAPP9146 - 4-Nitroquinoline-1-oxide, 100 µg/mL in Dichloromethane, CAS # 56-57-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodi-n-butylamine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_39d369ff-d8fe-4343-ac77-8547f2413062.jpg?v=1761265988</image:loc>
      <image:title>*N-Nitrosodi-n-butylamine, 100 µg/mL in Dichloromethane, CAS # 924-16-3, 1 mL</image:title>
      <image:caption>Image of AAPP9147 - N-Nitrosodi-n-butylamine, 100 µg/mL in Dichloromethane, CAS # 924-16-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodi-n-butylamine-2-0-mg-ml-in-dichloromethane-cas-924-16-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1d67633c-d755-451b-a3f3-a7de87acfc25.jpg?v=1761265991</image:loc>
      <image:title>*N-Nitrosodi-n-butylamine, 2.0 mg/mL in Dichloromethane, CAS # 924-16-3, 1 mL</image:title>
      <image:caption>Image of AAPP914720X - N-Nitrosodi-n-butylamine, 2.0 mg/mL in Dichloromethane, CAS # 924-16-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiethylamine-100-ug-ml-in-dichloromethane-cas-55-18-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b93b03fc-d040-4437-8bb8-c073aaa678cc.jpg?v=1761265995</image:loc>
      <image:title>*N-Nitrosodiethylamine, 100 µg/mL in Dichloromethane, CAS # 55-18-5, 1 mL</image:title>
      <image:caption>Image of AAPP9148 - N-Nitrosodiethylamine, 100 µg/mL in Dichloromethane, CAS # 55-18-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiethylamine-2-0-mg-ml-in-dichloromethane-cas-55-18-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6a14be4f-123e-497e-a6a2-c8a0b3d6bd4f.jpg?v=1761265998</image:loc>
      <image:title>*N-Nitrosodiethylamine, 2.0 mg/mL in Dichloromethane, CAS # 55-18-5, 1 mL</image:title>
      <image:caption>Image of AAPP914820X - N-Nitrosodiethylamine, 2.0 mg/mL in Dichloromethane, CAS # 55-18-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodimethylamine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_831e21ed-d6ce-41d5-b293-995797130ece.jpg?v=1761266002</image:loc>
      <image:title>*N-Nitrosodimethylamine (NDMA), 100 µg/mL in Dichloromethane, CAS # 62-75-9, 1 mL</image:title>
      <image:caption>Image of AAPP9149 - N-Nitrosodimethylamine (NDMA), 100 µg/mL in Dichloromethane, CAS # 62-75-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodimethylamine-1000-ug-ml-in-methanol-cas-62-75-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f007a171-59c7-4a91-86eb-1c52500102f0.jpg?v=1761266005</image:loc>
      <image:title>*N-Nitrosodimethylamine, 1000 µg/mL in Methanol, CAS # 62-75-9, 1 mL</image:title>
      <image:caption>Image of AAPP9149M10X - N-Nitrosodimethylamine, 1000 µg/mL in Methanol, CAS # 62-75-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiphenylamine-100-ug-ml-in-dichloromethane-cas-86-30-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_426f2a3a-57a2-4218-88e5-d6381fe64549.jpg?v=1761266009</image:loc>
      <image:title>*N-Nitrosodiphenylamine, 100 µg/mL in Dichloromethane, CAS # 86-30-6, 1 mL</image:title>
      <image:caption>Image of AAPP9150 - N-Nitrosodiphenylamine, 100 µg/mL in Dichloromethane, CAS # 86-30-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodiphenylamine-1000-ug-ml-in-methanol-cas-86-30-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_defc5e37-058f-4dd8-9634-c402493e1f04.jpg?v=1761266012</image:loc>
      <image:title>*N-Nitrosodiphenylamine, 1000 µg/mL in Methanol, CAS # 86-30-6, 1 mL</image:title>
      <image:caption>Image of AAPP9150M10X - N-Nitrosodiphenylamine, 1000 µg/mL in Methanol, CAS # 86-30-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodi-n-propylamine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f91517ab-d607-4225-af3e-cec103a51e5c.jpg?v=1761266016</image:loc>
      <image:title>*N-Nitrosodi-n-propylamine, 100 µg/mL in Dichloromethane, CAS # 621-64-7, 1 mL</image:title>
      <image:caption>Image of AAPP9151 - N-Nitrosodi-n-propylamine, 100 µg/mL in Dichloromethane, CAS # 621-64-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosodi-n-propylamine-2-5-mg-ml-in-dichloromethane-cas-621-64-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_daa4e70e-bc2e-4e78-bc3f-cd0bab82a9ad.jpg?v=1761266020</image:loc>
      <image:title>*N-Nitrosodi-n-propylamine, 2.5 mg/mL in Dichloromethane, CAS # 621-64-7, 1 mL</image:title>
      <image:caption>Image of AAPP915125X - N-Nitrosodi-n-propylamine, 2.5 mg/mL in Dichloromethane, CAS # 621-64-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosomethylethylamine-100-ug-ml-in-dichloromethane-cas-10595-95-6-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2cf9065a-c964-4317-bb0f-01fe88664ac3.jpg?v=1761266023</image:loc>
      <image:title>*N-Nitrosomethylethylamine, 100 µg/mL in Dichloromethane, CAS # 10595-95-6, 1 mL</image:title>
      <image:caption>Image of AAPP9152 - N-Nitrosomethylethylamine, 100 µg/mL in Dichloromethane, CAS # 10595-95-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosomorpholine-100-ug-ml-in-dichloromethane-cas-59-89-2-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_86d3f76e-e79e-4848-9f99-d33b50c105d3.jpg?v=1761266027</image:loc>
      <image:title>*N-Nitrosomorpholine, 100 µg/mL in Dichloromethane, CAS # 59-89-2, 1 mL</image:title>
      <image:caption>Image of AAPP9153 - N-Nitrosomorpholine, 100 µg/mL in Dichloromethane, CAS # 59-89-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosopiperidine-100-ug-ml-in-dichloromethane-cas-100-75-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b9d5f4f3-7108-4740-b59a-caa6ff9bedaf.jpg?v=1761265856</image:loc>
      <image:title>*N-Nitrosopiperidine, 100 µg/mL in Dichloromethane, CAS # 100-75-4, 1 mL</image:title>
      <image:caption>Image of AAPP9154 - N-Nitrosopiperidine, 100 µg/mL in Dichloromethane, CAS # 100-75-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/n-nitrosopyrrolidine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f0bcd3a8-e5be-42d1-bf50-67f4b89a6667.jpg?v=1761265860</image:loc>
      <image:title>*N-Nitrosopyrrolidine, 100 µg/mL in Dichloromethane, CAS # 930-55-2, 1 mL</image:title>
      <image:caption>Image of AAPP9155 - N-Nitrosopyrrolidine, 100 µg/mL in Dichloromethane, CAS # 930-55-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/5-nitro-o-toluidine-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_89ea3c23-70ca-40d7-b624-e43cd1efa019.jpg?v=1761265867</image:loc>
      <image:title>*5-Nitro-o-toluidine, 100 µg/mL in Dichloromethane, CAS # 99-55-8, 1 mL</image:title>
      <image:caption>Image of AAPP9156 - 5-Nitro-o-toluidine, 100 µg/mL in Dichloromethane, CAS # 99-55-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/parathion-100-ug-ml-in-methanol-app-9-157-cas-56-38-2-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_48fa565a-97f4-40bf-99e7-c1b839c200bc.jpg?v=1761265870</image:loc>
      <image:title>*Parathion, 100 µg/mL in MeOH, CAS # 56-38-2, 1 mL</image:title>
      <image:caption>Image of AAPP9157 - Parathion, 100 µg/mL in MeOH, CAS # 56-38-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1016-100-ug-ml-in-methanol-cas-12674-11-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d587b93f-a9b9-498d-8bc5-5eb4295f3a2c.jpg?v=1761265874</image:loc>
      <image:title>*Aroclor 1016, 100 µg/mL in MeOH, CAS # 12674-11-2, 1 mL</image:title>
      <image:caption>Image of AAPP9158 - Aroclor 1016, 100 µg/mL in MeOH, CAS # 12674-11-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1016-1000-ug-ml-in-methanol-app-9-158-10x-cas-12674-11-2-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_2cec64cf-00f2-4345-966d-4a1a8f45dc41.jpg?v=1761265877</image:loc>
      <image:title>*Aroclor 1016, 1000 µg/mL in MeOH, CAS # 12674-11-2, 1 mL</image:title>
      <image:caption>Image of AAPP915810X - Aroclor 1016, 1000 µg/mL in MeOH, CAS # 12674-11-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1221-100-ug-ml-in-methanol-cas-11104-28-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_00e200a3-814a-48f8-b35b-4dee9af35392.jpg?v=1761265881</image:loc>
      <image:title>*Aroclor 1221, 100 µg/mL in MeOH, CAS # 11104-28-2, 1 mL</image:title>
      <image:caption>Image of AAPP9159 - Aroclor 1221, 100 µg/mL in MeOH, CAS # 11104-28-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1221-1000-ug-ml-in-methanol-cas-11104-28-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c30016e2-a655-4476-b55e-fc6cac07eaa8.jpg?v=1761265885</image:loc>
      <image:title>*Aroclor 1221, 1000 µg/mL in Methanol, CAS # 11104-28-2, 1 mL</image:title>
      <image:caption>Image of AAPP915910X - Aroclor 1221, 1000 µg/mL in Methanol, CAS # 11104-28-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1232-100-ug-ml-in-methanol-cas-11141-16-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_69d21294-8ede-4748-a7f1-431f48be4009.jpg?v=1761265888</image:loc>
      <image:title>*Aroclor 1232, 100 µg/mL in Methanol, CAS # 11141-16-5, 1 mL</image:title>
      <image:caption>Image of AAPP9160 - Aroclor 1232, 100 µg/mL in Methanol, CAS # 11141-16-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1232-1000-ug-ml-in-methanol-cas-11141-16-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_fde7a0db-c0cf-41f3-a89b-2d7410d8afce.jpg?v=1761265892</image:loc>
      <image:title>*Aroclor 1232, 1000 µg/mL in MeOH, CAS # 11141-16-5, 1 mL</image:title>
      <image:caption>Image of AAPP916010X - Aroclor 1232, 1000 µg/mL in MeOH, CAS # 11141-16-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1242-100-ug-ml-in-methanol-cas-53469-21-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_96efe2bb-db96-4783-8b38-519622d2f4bf.jpg?v=1761265896</image:loc>
      <image:title>Aroclor 1242, 100 µg/mL in MeOH, CAS # 53469-21-9, 1 mL</image:title>
      <image:caption>Image of AAPP9161 - Aroclor 1242, 100 µg/mL in MeOH, CAS # 53469-21-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1242-1000-ug-ml-in-methanol-cas-53469-21-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_73f0b9d0-a477-475b-9fe5-dd1453aae39f.jpg?v=1761265900</image:loc>
      <image:title>*Aroclor 1242, 1000 µg/mL in MeOH, CAS # 53469-21-9, 1 mL</image:title>
      <image:caption>Image of AAPP916110X - Aroclor 1242, 1000 µg/mL in MeOH, CAS # 53469-21-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1248-100-ug-ml-in-methanol-app-9-162-cas-12672-29-6-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1eaa5048-333b-4b65-bc2d-d141469c4154.jpg?v=1761265903</image:loc>
      <image:title>*Aroclor 1248, 100 µg/mL in MeOH, CAS # 12672-29-6, 1 mL</image:title>
      <image:caption>Image of AAPP9162 - Aroclor 1248, 100 µg/mL in MeOH, CAS # 12672-29-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1248-1000-ug-ml-in-methanol-cas-12672-29-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1d0e4324-7ad8-4c68-8c3b-c7c068cb0419.jpg?v=1761265907</image:loc>
      <image:title>*Aroclor 1248, 1000 µg/mL in MeOH, CAS # 12672-29-6, 1 mL</image:title>
      <image:caption>Image of AAPP916210X - Aroclor 1248, 1000 µg/mL in MeOH, CAS # 12672-29-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1254-100-ug-ml-in-methanol-cas-11097-69-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_8ea6fc7a-9c1a-4a83-bcd2-5289f555a033.jpg?v=1761265910</image:loc>
      <image:title>Aroclor 1254, 100 µg/mL in MeOH, CAS # 11097-69-1, 1 mL</image:title>
      <image:caption>Image of AAPP9163 - Aroclor 1254, 100 µg/mL in MeOH, CAS # 11097-69-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1254-1000-ug-ml-in-methanol-app-9-163-10x-cas-11097-69-1-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_1aa70ca9-7b06-40e0-a8cd-b6cee1885c89.jpg?v=1761265914</image:loc>
      <image:title>*Aroclor 1254, 1000 µg/mL in MeOH, CAS # 11097-69-1, 1 mL</image:title>
      <image:caption>Image of AAPP916310X - Aroclor 1254, 1000 µg/mL in MeOH, CAS # 11097-69-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1260-100-ug-ml-in-methanol-cas-11096-82-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6830b42c-97ed-44a1-a5a0-6c98d3d55d77.jpg?v=1761265917</image:loc>
      <image:title>Aroclor 1260, 100 µg/mL in MeOH, CAS # 11096-82-5, 1 mL</image:title>
      <image:caption>Image of AAPP9164 - Aroclor 1260, 100 µg/mL in MeOH, CAS # 11096-82-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1260-1000-ug-ml-in-methanol-app-9-164-10x-cas-11096-82-5-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ab2d806e-033a-4918-8ed0-1849a4433f25.jpg?v=1761265921</image:loc>
      <image:title>*Aroclor 1260, 1000 µg/mL in MeOH, CAS # 11096-82-5, 1 mL</image:title>
      <image:caption>Image of AAPP916410X - Aroclor 1260, 1000 µg/mL in MeOH, CAS # 11096-82-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1262-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_cc8e858f-7e85-4f48-94dd-39159981c1f4.jpg?v=1761265924</image:loc>
      <image:title>*Aroclor 1262, 100 µg/mL in MeOH, CAS # 37324-23-5, 1 mL</image:title>
      <image:caption>Image of AAPP9165 - Aroclor 1262, 100 µg/mL in MeOH, CAS # 37324-23-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1268-100-ug-ml-in-methanol-cas-11100-14-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e817d74b-b4be-4ae9-a0ff-d3c649c1175c.jpg?v=1761265928</image:loc>
      <image:title>*Aroclor 1268, 100 µg/mL in MeOH, CAS # 11100-14-4, 1 mL</image:title>
      <image:caption>Image of AAPP9166 - Aroclor 1268, 100 µg/mL in MeOH, CAS # 11100-14-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/aroclor-1268-0-5-mg-ml-in-methanol-cas-11100-14-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d079cae9-1bbb-4c91-b01f-960424fad300.jpg?v=1761265932</image:loc>
      <image:title>*Aroclor 1268, 0.5 mg/mL in MeOH, CAS # 11100-14-4, 1 mL</image:title>
      <image:caption>Image of AAPP91665X - Aroclor 1268, 0.5 mg/mL in MeOH, CAS # 11100-14-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-7-8-tetrachlorodibenzo-p-dioxin-5-0-ug-ml-in-toluene-cas-1746-01-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_d2ac8821-cdbd-4dad-b6e3-45b9a8beb23c.jpg?v=1761265935</image:loc>
      <image:title>*2,3,7,8-Tetrachlorodibenzo-p-dioxin, 5.0 µg/mL in Toluene, CAS # 1746-01-6, 1 mL</image:title>
      <image:caption>Image of AAPP9167 - 2,3,7,8-Tetrachlorodibenzo-p-dioxin, 5.0 µg/mL in Toluene, CAS # 1746-01-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-7-8-pentachlorodibenzo-p-dioxin-5-0-ug-ml-in-toluene-cas-40321-76-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4b88b367-4a70-4494-8a6c-3065c957b874.jpg?v=1761265939</image:loc>
      <image:title>*1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 5.0 µg/mL in Toluene, CAS # 40321-76-4, 1 mL</image:title>
      <image:caption>Image of AAPP9168 - 1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 5.0 µg/mL in Toluene, CAS # 40321-76-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-4-7-8-hexachlorodibenzo-p-dioxin-5-0-ug-ml-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_ae26b3a1-5eae-41dc-adfc-27a43155c818.jpg?v=1761265942</image:loc>
      <image:title>*1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin, 5.0 µg/mL in Toluene, CAS # 39227-28-6, 1 mL</image:title>
      <image:caption>Image of AAPP9169 - 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin, 5.0 µg/mL in Toluene, CAS # 39227-28-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-3-7-8-tetrachlorodibenzofuran-5-0-ug-ml-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_6ffc3d37-08e5-4a7d-b277-88be19ff753a.jpg?v=1761265946</image:loc>
      <image:title>*2,3,7,8-Tetrachlorodibenzofuran, 5.0 µg/mL in Toluene, CAS # 51207-31-9, 1 mL</image:title>
      <image:caption>Image of AAPP9170 - 2,3,7,8-Tetrachlorodibenzofuran, 5.0 µg/mL in Toluene, CAS # 51207-31-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-7-8-pentachlorodibenzofuran-5-0-ug-ml-in-toluene</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_329f8602-154c-4d97-98ab-c24ed493fa5a.jpg?v=1761265950</image:loc>
      <image:title>*1,2,3,7,8-Pentachlorodibenzofuran, 5.0 µg/mL in Toluene, CAS # 57117-41-6, 1 mL</image:title>
      <image:caption>Image of AAPP9171 - 1,2,3,7,8-Pentachlorodibenzofuran, 5.0 µg/mL in Toluene, CAS # 57117-41-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-4-7-8-hexachlorodibenzofuran-5-0-ug-ml-in-toluene-cas-55684-94-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_44fe5b05-78b1-43df-a635-3f16f3173f75.jpg?v=1761265953</image:loc>
      <image:title>*1,2,3,4,7,8-Hexachlorodibenzofuran, 5.0 µg/mL in Toluene, CAS # 55684-94-1, 1 mL</image:title>
      <image:caption>Image of AAPP9172 - 1,2,3,4,7,8-Hexachlorodibenzofuran, 5.0 µg/mL in Toluene, CAS # 55684-94-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorobenzene-100-ug-ml-in-methanol-cas-608-93-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e06439e5-8511-4a4e-a538-d5d227a5c4fe.jpg?v=1761265957</image:loc>
      <image:title>*Pentachlorobenzene, 100 µg/mL in MeOH, CAS # 608-93-5, 1 mL</image:title>
      <image:caption>Image of AAPP9173 - Pentachlorobenzene, 100 µg/mL in MeOH, CAS # 608-93-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloroethane-100-ug-ml-in-methanol-cas-76-01-7-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_dfc229cb-ab37-492e-8f78-0e30ae2c149c.jpg?v=1761265961</image:loc>
      <image:title>*Pentachloroethane, 100 µg/mL in MeOH, CAS # 76-01-7, 1 mL</image:title>
      <image:caption>Image of AAPP9174 - Pentachloroethane, 100 µg/mL in MeOH, CAS # 76-01-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloroethane-2000-ug-ml-in-methanol-cas-76-01-7-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e9f64aa2-bdbc-4564-8da4-b700428f122a.jpg?v=1761265964</image:loc>
      <image:title>*Pentachloroethane, 2.0 mg/mL in MeOH, CAS # 76-01-7, 1 mL</image:title>
      <image:caption>Image of AAPP917420X - Pentachloroethane, 2.0 mg/mL in MeOH, CAS # 76-01-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloronitrobenzene-100-ug-ml-in-methanol-app-9-175-cas-82-68-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_af7d2e90-a46b-43bf-a8de-6b2b56f3f6be.jpg?v=1761265968</image:loc>
      <image:title>*Pentachloronitrobenzene, 100 µg/mL in Methanol, CAS # 82-68-8, 1 mL</image:title>
      <image:caption>Image of AAPP9175 - Pentachloronitrobenzene, 100 µg/mL in Methanol, CAS # 82-68-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachloronitrobenzene-standard-1000-ug-ml-in-methanol-app-9-175-10x-cas-82-68-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_c8d347aa-afc4-4a21-936e-d1307a868210.jpg?v=1761265972</image:loc>
      <image:title>*Pentachloronitrobenzene Standard, 1000 µg/mL in MeOH, CAS # 82-68-8, 1 mL</image:title>
      <image:caption>Image of AAPP917510X - Pentachloronitrobenzene Standard, 1000 µg/mL in MeOH, CAS # 82-68-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-100-ug-ml-in-methanol-cas-87-86-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_b042a192-1457-40ed-a7a7-8888f6ee6b09.jpg?v=1761265976</image:loc>
      <image:title>*Pentachlorophenol, 100 µg/mL in MeOH, CAS # 87-86-5, 1 mL</image:title>
      <image:caption>Image of AAPP9176 - Pentachlorophenol, 100 µg/mL in MeOH, CAS # 87-86-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-1000-ug-ml-in-methanol-app-9-176-10x-cas-87-86-5-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_4d5e6b02-cabd-4cfc-94a6-76406af01748.jpg?v=1761265979</image:loc>
      <image:title>*Pentachlorophenol, 1000 µg/mL in MeOH, CAS # 87-86-5, 1 mL</image:title>
      <image:caption>Image of AAPP917610X - Pentachlorophenol, 1000 µg/mL in MeOH, CAS # 87-86-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-2-0-mg-ml-in-dichloromethane-cas-87-86-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_838b912b-69b6-4441-bfbf-e93d9413740b.jpg?v=1761265986</image:loc>
      <image:title>*Pentachlorophenol, 2.0 mg/mL in Dichloromethane, CAS # 87-86-5, 1 mL</image:title>
      <image:caption>Image of AAPP9176D20X - Pentachlorophenol, 2.0 mg/mL in Dichloromethane, CAS # 87-86-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenacetin-100-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_edeaf2ea-54f2-411d-aef7-451633603ffc.jpg?v=1761265990</image:loc>
      <image:title>*Phenacetin, 100 µg/mL in Dichloromethane, CAS # 62-44-2, 1 mL</image:title>
      <image:caption>Image of AAPP9177 - Phenacetin, 100 µg/mL in Dichloromethane, CAS # 62-44-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenacetin-1000-ug-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_10e9edeb-f351-4ce6-8eb6-0c4a19b44d19.jpg?v=1761265993</image:loc>
      <image:title>*Phenacetin, 1000 µg/mL in Dichloromethane, CAS # 62-44-2, 1 mL</image:title>
      <image:caption>Image of AAPP917710X - Phenacetin, 1000 µg/mL in Dichloromethane, CAS # 62-44-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenanthrene-100-ug-ml-in-methanol-cas-85-01-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_08d60f7a-44b1-4d58-9399-476875df83f0.jpg?v=1761265997</image:loc>
      <image:title>*Phenanthrene, 100 µg/mL in MeOH, CAS # 85-01-8, 1 mL</image:title>
      <image:caption>Image of AAPP9178 - Phenanthrene, 100 µg/mL in MeOH, CAS # 85-01-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenanthrene-in-dichloromethane-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_9bce7cc7-c325-4a0a-b505-c1afc118aeca.jpg?v=1761266001</image:loc>
      <image:title>*Phenanthrene in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 85-01-8, 1 mL</image:title>
      <image:caption>Image of AAPP9178D20X - Phenanthrene in Dichloromethane, 2.0 mg/mL in Dichloromethane, CAS # 85-01-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenol-100-ug-ml-in-dichloromethane-cas-108-95-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_51d7b9a2-86d9-409c-b013-b591ad362511.jpg?v=1761266004</image:loc>
      <image:title>*Phenol, 100 µg/mL in Dichloromethane, CAS # 108-95-2, 1 mL</image:title>
      <image:caption>Image of AAPP9179 - Phenol, 100 µg/mL in Dichloromethane, CAS # 108-95-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenol-2-0-mg-ml-in-dichloromethane-cas-108-95-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_be6fde89-f510-4291-b55c-f9aeb175b97d.jpg?v=1761266008</image:loc>
      <image:title>*Phenol, 2.0 mg/mL in Dichloromethane, CAS # 108-95-2, 1 mL</image:title>
      <image:caption>Image of AAPP917920X - Phenol, 2.0 mg/mL in Dichloromethane, CAS # 108-95-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-phenylenediamine-100-ug-ml-in-methanol-cas-106-50-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_417e0b19-83a2-4fc1-9c19-68038e5c107e.jpg?v=1761266011</image:loc>
      <image:title>*p-Phenylenediamine, 100 µg/mL in MeOH, CAS # 106-50-3, 1 mL</image:title>
      <image:caption>Image of AAPP9180 - p-Phenylenediamine, 100 µg/mL in MeOH, CAS # 106-50-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/p-phenylenediamine-2-0-mg-ml-in-meoh-ship-with-an-ice-pack</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_f2d97f15-1546-4ba1-bf08-13318dc38db0.jpg?v=1761266015</image:loc>
      <image:title>***p-Phenylenediamine , 2.0 mg/mL in MeOH, CAS # 106-50-3, 1 mL</image:title>
      <image:caption>Image of AAPP918020X - p-Phenylenediamine , 2.0 mg/mL in MeOH, CAS # 106-50-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phorate-100-ug-ml-in-methanol-cas-298-02-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_e355103d-81ad-476f-8589-aa4d31ef53a5.jpg?v=1761266018</image:loc>
      <image:title>*Phorate, 100 µg/mL in MeOH, CAS # 298-02-2, 1 mL</image:title>
      <image:caption>Image of AAPP9181 - Phorate, 100 µg/mL in MeOH, CAS # 298-02-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/2-picoline-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9182 - 2-Picoline, 100 µg/mL in MeOH, CAS # 109-06-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pronamide-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9183 - Pronamide, 100 µg/mL in MeOH, CAS # 23950-58-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/propionitrile-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9184 - Propionitrile, 100 µg/mL in MeOH, CAS # 107-12-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrene-100-ug-ml-in-methanol-cas-129-00-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9185 - Pyrene, 100 µg/mL in MeOH, CAS # 129-00-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrene-1000-ug-ml-in-methanol-cas-129-00-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP918510X - Pyrene, 1000 µg/mL in MeOH, CAS # 129-00-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-100-ug-ml-in-dichloromethane-cas-110-86-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9186 - Pyridine, 100 µg/mL in Dichloromethane, CAS # 110-86-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP918620X - Pyridine, 2.0 mg/mL in Dichloromethane, CAS # 110-86-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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 of AAPP9186M - Pyridine, 100 µg/mL in MeOH, CAS # 110-86-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyridine-2-0-mg-ml-in-methanol-cas-110-86-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9186M20X - Pyridine, 2.0 mg/mL in MeOH, CAS # 110-86-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/safrole-100-ug-ml-in-methanol-cas-94-59-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9187 - Safrole, 100 µg/mL in MeOH, CAS # 94-59-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/silvex-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9188 - Silvex, 100 µg/mL in MeOH, CAS # 93-72-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/styrene-100-ug-ml-in-methanol-cas-100-42-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9189 - Styrene, 100 µg/mL in MeOH, CAS # 100-42-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9190 - 2,4,5-T Acid, 100 µg/mL in MeOH, CAS # 93-76-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9191 - 1,2,4,5-Tetrachlorobenzene, 100 µg/mL in MeOH, CAS # 95-94-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP919110X - 1,2,4,5-Tetrachlorobenzene, 1000 µg/mL in MeOH, CAS # 95-94-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9192 - 1,1,1,2-Tetrachloroethane, 100 µg/mL in MeOH, CAS # 630-20-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9193 - 1,1,2,2-Tetrachloroethane, 100 µg/mL in MeOH, CAS # 79-34-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachloroethene-100-ug-ml-in-methanol-cas-127-18-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9194 - Tetrachloroethene, 100 µg/mL in MeOH, CAS # 127-18-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9195 - 2,3,4,6-Tetrachlorophenol, 100 µg/mL in MeOH, CAS # 58-90-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/thionazin-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9197 - Thionazin, 100 µg/mL in MeOH, CAS # 297-97-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toluene-100-ug-ml-in-methanol-cas-108-88-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9198 - Toluene, 100 µg/mL in MeOH, CAS # 108-88-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-toluidine-100-ug-ml-in-methanol-cas-95-53-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9199 - o-Toluidine, 100 µg/mL in MeOH, CAS # 95-53-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9200 - Toxaphene, 100 µg/mL in MeOH, CAS # 8001-35-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9201 - 1,2,4-Trichlorobenzene, 100 µg/mL in Methanol, CAS # 120-82-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9202 - 1,1,1-Trichloroethane, 100 µg/mL in MeOH, CAS # 71-55-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-1-2-trichloroethane-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9203 - 1,1,2-Trichloroethane, 100 µg/mL in MeOH, CAS # 79-00-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9204 - Trichloroethene, 100 µg/mL in Methanol, CAS # 79-01-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichlorofluoromethane-freon-11-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9205 - Trichlorofluoromethane (Freon #11), 100 µg/mL in MeOH, CAS # 75-69-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9206 - 2,4,5-Trichlorophenol, 100 µg/mL in MeOH, CAS # 95-95-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9207 - 2,4,6-Trichlorophenol, 100 µg/mL in MeOH, CAS # 88-06-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP920750X - 2,4,6-Trichlorophenol, 5.0 mg/mL in MeOH, CAS # 88-06-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9208 - 1,2,3-Trichloropropane, 100 µg/mL in MeOH, CAS # 96-18-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-2-3-trichloropropane-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP920810X - 1,2,3-Trichloropropane, 1000 µg/mL in MeOH, CAS # 96-18-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP920810XPAK - 1,2,3-Trichloropropane, 1000 µg/mL in MeOH, CAS # 96-18-4, 5 x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/o-o-o-triethylphosphorothioate-100-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9209 - O,O,O-Triethylphosphorothioate, 100 µg/mL in MeOH, CAS # 126-68-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9210 - 1,3,5-Trinitrobenzene, 100 µg/mL in MeOH, CAS # 99-35-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/1-3-5-trinitrobenzene-2-0-mg-ml-in-dichloromethane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9210D20X - 1,3,5-Trinitrobenzene, 2.0 mg/mL in Dichloromethane, CAS # 99-35-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9211 - Vinyl acetate, 100 µg/mL in Methanol, CAS # 108-05-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP921120X - Vinyl acetate, 2.0 mg/mL in MeOH, CAS # 108-05-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9212 - Vinyl chloride, 100 µg/mL in MeOH, CAS # 75-01-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/xylene-total-100-ug-ml-in-methanol-cas-1330-20-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9213 - Xylene (total), 100 µg/mL in Methanol (total), 1 mL</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>2026-07-21T15:45:31-04:00</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 of AAPP9214 - 1,2-Dibromoethane, 100 µg/mL in MeOH, CAS # 106-93-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/appendix-ix-phthalate-mix-cyclohexane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AAPP9PHTHMIX - Appendix IX Phthalate Mix, 1000 µg/mL in Cyclohexane, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0001 - Acenaphthene, 5.0 mg/mL in MeOH, CAS # 83-32-9, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0002 - Acrolein, 5.0 mg/mL in para-Dioxane, CAS # 107-02-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acrylonitrile-10-mg-ml-in-methanol-cas-107-13-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0003 - Acrylonitrile, 10 mg/mL in MeOH, CAS # 107-13-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzene-1000-ug-ml-in-methanol-cas-71-43-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0004 - Benzene, 1000 µg/mL in MeOH, CAS # 71-43-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzidine-as-dihydrochloride-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0005 - Benzidine (as dihydrochloride), 1000 µg/mL in MeOH, CAS # 92-87-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlorobenzene-1000-ug-ml-in-methanol-cas-108-90-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0006 - Chlorobenzene, 1000 µg/mL in MeOH, CAS # 108-90-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0007 - 1,2,4-Trichlorobenzene, 1000 µg/mL in Methanol, CAS # 120-82-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0008 - Hexachlorobenzene , 1000 µg/mL in Acetone, CAS # 118-74-1, AS-E0008, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0009 - 1,2-Dichloroethane, 1000 µg/mL in MeOH, CAS # 107-06-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0010 - 1,1,1-Trichloroethane, 1000 µg/mL in MeOH, CAS # 71-55-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachloroethane-1000-ug-ml-in-methanol-cas-67-72-1</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0011 - Hexachloroethane, 1000 µg/mL in MeOH, CAS # 67-72-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0012 - 1,1-Dichloroethane, 1000 µg/mL in MeOH, CAS # 75-34-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0013 - 1,1,2-Trichloroethane, 1000 µg/mL in MeOH, CAS # 79-00-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0014 - 1,1,2,2-Tetrachloroethane, 5.0 mg/mL in MeOH, CAS # 79-34-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroethane-1000-ug-ml-in-methanol-cas-75-00-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0015 - Chloroethane, 1000 µg/mL in MeOH, CAS # 75-00-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0016 - bis(2-Chloroethyl)ether, 5.0 mg/mL in MeOH, CAS # 111-44-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0017 - 2-Chloroethylvinyl ether, 1000 µg/mL in MeOH, CAS # 110-75-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0018 - 2-Chloronaphthalene, 5.0 mg/mL in MeOH, CAS # 91-58-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0019 - 2,4,6-Trichlorophenol, 5.0 mg/mL in MeOH, CAS # 88-06-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0020 - p-Chloro-m-cresol (4-Chloro-3-methyl phenol), 5000 µg/mL in MeOH, CAS # 59-50-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chloroform-1000-ug-ml-in-methanol-cas-67-66-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0021 - Chloroform, 1000 µg/mL in Methanol, CAS # 67-66-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0022 - 2-Chlorophenol, 5.0 mg/mL in MeOH, CAS # 95-57-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0023 - 1,2-Dichlorobenzene, 5.0 mg/mL in MeOH, CAS # 95-50-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0025 - 1,4-Dichlorobenzene, 5.0 mg/mL in MeOH, CAS # 106-46-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0026 - 3,3&apos;-Dichlorobenzidine, 1000 µg/mL in MeOH, CAS # 91-94-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0027 - 1,1-Dichloroethylene, 2.0 mg/mL in MeOH, CAS # 75-35-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0028 - trans-1,2-Dichloroethylene, 1000 µg/mL in Methanol, CAS # 156-60-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0029 - 2,4-Dichlorophenol, 5.0 mg/mL in MeOH, CAS # 120-83-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0030 - 1,2-Dichloropropane, 1000 µg/mL in MeOH, CAS # 78-87-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0033 - 2,4-Dinitrotoluene, 5.0 mg/mL in MeOH, CAS # 121-14-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0034 - 2,6-Dinitrotoluene, 5.0 mg/mL in MeOH, CAS # 606-20-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/ethylbenzene-10-mg-ml-in-methanol-cas-100-41-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0036 - Ethylbenzene, 10 mg/mL in MeOH, CAS # 100-41-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluoranthene-5-0-mg-ml-in-methanol-cas-206-44-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0037 - Fluoranthene, 5.0 mg/mL in MeOH, CAS # 206-44-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0038 - 4-Chlorophenyl phenyl ether, 5.0 mg/mL in MeOH, CAS # 7005-72-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0039 - 4-Bromophenyl phenyl ether, 5.0 mg/mL in MeOH, CAS # 101-55-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0040 - bis(2-Chloro-1-methylethyl)ether, 5.0 mg/mL in MeOH, CAS # 108-60-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0041 - bis(2-Chloroethoxy)methane, 5.0 mg/mL in MeOH, CAS # 111-91-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methylene-chloride-1000-ug-ml-in-methanol-cas-75-09-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0042 - Methylene chloride, 1000 µg/mL in MeOH, CAS # 75-09-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0043 - Methyl chloride, 5.0 mg/mL in MeOH, CAS # 74-87-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/methyl-bromide-1000-ug-ml-in-acetonitrile-cas-74-83-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0044 - Methyl bromide, 1000 µg/mL in Acetonitrile, CAS # 74-83-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/dichlorobromomethane-5-0-mg-ml-in-methanol-cas-75-27-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0046 - Dichlorobromomethane, 5.0 mg/mL in MeOH, CAS # 75-27-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorotrichloromethane-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0047 - Fluorotrichloromethane, 5.0 mg/mL in MeOH, CAS # 75-69-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/hexachlorobutadiene-5-0-mg-ml-in-methanol-cas-87-68-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0050 - Hexachlorobutadiene, 5.0 mg/mL in MeOH, CAS # 87-68-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0051 - Hexachlorocyclopentadiene, 1000 µg/mL in MeOH, CAS # 77-47-4, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0052 - Isophorone, 1000 µg/mL in MeOH, CAS # 78-59-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/naphthalene-1000-ug-ml-in-methanol-cas-91-20-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0053 - Naphthalene, 1000 µg/mL in MeOH, CAS # 91-20-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/nitrobenzene-5-0-mg-ml-in-methanol-cas-98-95-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0054 - Nitrobenzene, 5.0 mg/mL in MeOH, CAS # 98-95-3, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0055 - 2-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 88-75-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0056 - 4-Nitrophenol, 5.0 mg/mL in MeOH, CAS # 100-02-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0057 - 2,4-Dinitrophenol, 5.0 mg/mL in MeOH, CAS # 51-28-5, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE00571 - 2,4-Dinitrophenol , 1000 µg/mL in MeOH, CAS # 51-28-5, AS-E0057-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0058 - 4,6-Dinitro-o-Cresol, 5.0 mg/mL in MeOH, CAS # 534-52-1, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0059 - N-Nitrosodimethylamine (NDMA), 5.0 mg/mL in MeOH, CAS # 62-75-9, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0060 - N-Nitrosodiphenylamine, 5.0 mg/mL in Methanol, CAS # 86-30-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0061 - N-Nitrosodi-n-propylamine, 5.0 mg/mL in MeOH, CAS # 621-64-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pentachlorophenol-5-0-mg-ml-in-methanol-cas-87-86-5</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0062 - Pentachlorophenol, 5.0 mg/mL in MeOH, CAS # 87-86-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenol-5-0-mg-ml-in-methanol-cas-108-95-2</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0063 - Phenol, 5.0 mg/mL in MeOH, CAS # 108-95-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0064 - bis(2-Ethylhexyl)phthalate, 1000 µg/mL in Methanol, CAS # 117-81-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0065 - Benzyl butyl phthalate, 5.0 mg/mL in MeOH, CAS # 85-68-7, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0066 - Di-n-butyl phthalate, 5.0 mg/mL in MeOH, CAS # 84-74-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0067 - Di-n-octyl phthalate, 5.0 mg/mL in MeOH, CAS # 117-84-0, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0068 - Diethyl Phthalate, 5.0 mg/mL in MeOH, CAS # 84-66-2, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0069 - Dimethyl phthalate, 5.0 mg/mL in MeOH, CAS # 131-11-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzaanthracene-1000-ug-ml-in-methanol-cas-56-55-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0070 - Benz(a)anthracene, 1000 µg/mL in MeOH, CAS # 56-55-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzoapyrene-1000-ug-ml-in-acetone-cas-50-32-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0071 - Benz[a]pyrene, 1000 µg/mL in Acetone, CAS # 50-32-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzobfluoranthene-2-5-mg-ml-in-acetone</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0072 - Benzo(b)fluoranthene, 2.5 mg/mL in Acetone, CAS # 205-99-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzokfluoranthene-1000-ug-ml-in-acetone-cas-207-08-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0073 - Benzo(k)fluoranthene, 1000 µg/mL in Acetone, CAS # 207-08-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chrysene-1000-ug-ml-in-acetone-cas-218-01-9</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0074 - Chrysene, 1000 µg/mL in Acetone, CAS # 218-01-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/acenaphthylene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0075 - Acenaphthylene, 5.0 mg/mL in MeOH, CAS # 208-96-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/anthracene-1000-ug-ml-in-acetone-cas-120-12-7</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0076 - Anthracene, 1000 µg/mL in Acetone, CAS # 120-12-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/benzog-h-iperylene-1000-ug-ml-in-p-dioxane</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0077 - Benzo(g,h,i)perylene, 1000 µg/mL in p-Dioxane, CAS # 191-24-2, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/fluorene-5-0-mg-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0078 - Fluorene, 5.0 mg/mL in MeOH, CAS # 86-73-7, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/phenanthrene-5-0-mg-ml-in-methanol-cas-85-01-8</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0079 - Phenanthrene, 5.0 mg/mL in MeOH, CAS # 85-01-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0081 - Indeno(1,2,3-cd)pyrene, 0.5 mg/mL in Acetone, CAS # 193-39-5, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/pyrene-5-0-mg-ml-in-methanol-cas-129-00-0</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0082 - Pyrene, 5.0 mg/mL in MeOH, CAS # 129-00-0, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/tetrachloroethylene-5-0-mg-ml-in-methanol-cas-127-18-4</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0083 - Tetrachloroethylene, 5.0 mg/mL in MeOH, CAS # 127-18-4, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/toluene-1000-ug-ml-in-methanol-cas-108-88-3</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0084 - Toluene, 1000 µg/mL in MeOH, CAS # 108-88-3, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/trichloroethylene-1000-ug-ml-in-methanol-cas-79-01-6</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0085 - Trichloroethylene, 1000 µg/mL in MeOH, CAS # 79-01-6, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0088 - Dieldrin, 1000 µg/mL in Methanol, CAS # 60-57-1, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/chlordane-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0089 - Chlordane, 1000 µg/mL in MeOH, CAS # 12789-03-6, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/4-4-dde-1000-ug-ml-in-meoh</loc>
    <lastmod>2026-07-21T15:45:31-04:00</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 of AASE0091 - 4,4&apos;-DDE, 1000 µg/mL in MeOH, CAS # 72-55-9, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0092 - 4,4&apos;-DDD, 5.0 mg/mL in MeOH, CAS # 72-54-8, 1 mL</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>2026-07-21T15:45:31-04:00</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 of AASE0093 - alpha-Endosulfan, 1000 µg/mL in p-Dioxane, CAS # 959-98-8, 1 mL</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>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0926/3870/8003/files/Accustandard_Amber_Ampules_2048x2048pxl_92dc59ad-a37c-4e88-8b24-4895b949c5e0.jpg?v=1761266305</image:loc>
      <image:title>*beta-Endosulfan, 1000 µg/mL in p-Dioxane, CAS # 33213-65-9, 1 mL</image:title>
      <image:caption>Image of AASE0094 - beta-Endosulfan, 1000 µg/mL in p-Dioxane, CAS # 33213-65-9, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endosulfan-sulfate-1000-ug-ml-in-meoh-cas-1031-07-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AASE0095 - Endosulfan sulfate, 1000 µg/mL in Methanol, CAS # 1031-07-8, 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://chromspec.com/products/endrin-1000-ug-ml-in-methanol-as-e0096-cas-72-20-8-1-ml</loc>
    <lastmod>2026-07-21T15:45:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <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>
      <image:caption>Image of AASE0096 - Endrin, 1000 µg/mL in Methanol, CAS # 72-20-8, 1 mL</image:caption>
    </image:image>
  </url>
</urlset>
