Sigma-Aldrich Achieves Double Accreditation as a Certified Reference Material Producer Following ISO/IEC 17025 and ISO Guide 34
For Reference Materials producers, this combination of accreditations is the highest achievable level of quality assurance. CRM, which are produced under these guidelines, are characterized by highest accuracy and comprehensive documentation. The certificates contain all information about purity, traceability, uncertainty and expiration dates, as well as handling and storing instructions. With the recently introduced TraceCERT(R) product line, Sigma-Aldrich has launched its first CRM series produced under this double accreditation.
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