FAQ

What are certified reference materials (CRMs)?

28 Aug 2025

A CRM from Restek is in an exclusive subset of reference standards that meets the following set of strict criteria defined under ISO 17034 and ISO/IEC 17025:

  • Made of raw materials characterized via qualified methods on qualified instruments.
  • Produced in an ISO-accredited lab under documented procedures.
  • Falls under the manufacturer’s scopes of accreditation.

To learn more about Restek’s ISO quality credentials and to view our certificates (including scopes of accreditation), visit www.restek.com/iso

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  • Restek Corporation

    Restek is a leading provider of chromatography columns, accessories, and certified reference materials. Trust Restek for reliable, high-quality analytical solutions.

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