Environmental Laboratory
Reference Materials for Environmental Analysis: Rising to the Challenge
Feb 19 2006
Author: Peter J Jenks on behalf of MCerts
Using reference materials to validate and control analytical procedures is not new: the first recorded use of what we would now recognise as a reference material was in 1824 by Gay-Lussac [1]. Just 100 years ago the US NBS released a reference material program, developed in partnership with the US iron and steel industry, to bring uniform quality to steel and iron produced in the USA. Some of those first “SRMs” are still available from NIST, for example SRM 4L, Cast Iron Chips Certified for Trace Elements is in its 12th lot since the early 1900s!
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