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Cerilliant Publishes Editorial on ISO Guide 34 Accreditation

ROUND ROCK, TEXAS – October 15, 2013 – In the July/August, 2013, issue of Inside Laboratory Management, Cerilliant published an editorial titled “ISO Guide 34 Accredited Manufacturers – Do You Know What You Are Getting?” The purpose of the article is to highlight the differences in Certified and Noncertified Reference Materials under ISO Guide 34 and to discuss their importance to the analytical laboratory when considering a suitable reference material.
“Originally, accreditation to ISO Guide 34 meant the manufacturer was producing a Certified Reference Material (CRM),” commented Derrell Johnson, Cerilliant’s New Product Development Manager and one of the article’s authors. “When the third edition was published, a Noncertified Reference Material designation was created in addition to the CRM designation. It’s important that laboratories understand the differences between these two designations, especially as it pertains to suitability of a vendor’s reference material for accuracy and traceability of laboratory results to the reference.”
The article discusses the critical aspects of data reporting under the Guide 34 CRM designation and contrasts each reporting requirement to that of a Noncertified Reference Material. Important aspects of data reporting under the CRM designation include characterization of the material, stability reporting, assignment of property values and their uncertainties, and establishment of metrological traceability.


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