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CPI International's Peak Performance Multi Element standards are produced in a controlled environment using ultra high-purity starting materials with NIST traceability and with ISO 17025 accordance. Each standard is verified instrumentally and gravimetrically and comes with a Certificate of Analysis and an SDS is available to download at sds.cpiinternational.com. CPI guarantees the accuracy of our stock Peak Performance Single-Element standards to +/- 0.5% for 18 months from date of shipment.
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AccuStandard
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AccuStandard
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AccuStandard
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AccuStandard
