Nist Certified Reference Materials. Nist standard reference material srm a crm issued by nist that also meets additional nist specific certification criteria and is issued with a certificate or certificate of analysis that reports the results of its characterizations and provides information regarding the appropriate use s of the material nist sp 260 136. Nist supports accurate and compatible measurements by certifying and providing over 1200 standard reference materials with well characterized composition or properties or both.
Standard reference materials standard reference materials are certified reference materials crms that can be used to help develop accurate methods of analysis to calibrate measurement systems used to measure a property at the state of the art limit. Removed from matrices containing the current certification information. Our products are engineered to be stable compatible nist traceable and are manufactured and tested under iso 17034 iso 17025 guidelines.
An srm is prepared and used for three main purposes.
Nist standard reference material srm a crm issued by nist that also meets additional nist specific certification criteria and is issued with a certificate or certificate of analysis that reports the results of its characterizations and provides information regarding the appropriate use s of the material nist sp 260 136. An srm is prepared and used for three main purposes. 1 to help develop accurate methods of analysis. A unit of srm 2372a consists of three well characterized human genomic dna materials solubilized in 10 mmol l 2 amino 2 hydroxymethyl 1 3 propanediol hydrochloride tris hcl and 0 1 mmol l thylenediaminetetraacetic acid disodium salt disodium edta ph 8 0 buffer te 4.
