Sigma-Aldrich / Merck certified reference material for testing and research
We now offer complete range of certified reference materials from Sigma-Aldrich / Merck.
Certified Reference Material
Sigma Aldrich offers a wide range of certified reference materials. With Cerilliant, RTC and Supelco, Sigma-Aldrich offers three in-house manufactured high quality CRM brands all produced under ISO/IEC 17025 and ISO Guide 34 double accreditation. In addition, we distribute certified reference materials from internationally recognized CRM producers such as IRMM, Paragon Scientific or Whitehouse Scientific.