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Standard Reference Materials

NIST supports accurate and compatible measurements by certifying and providing over 1200 Standard Reference Materials® with well-characterized composition or properties, or both.

SRM Online Request System 
The SRM Online Request System has been replaced.  SRMs are available for order at our new site, 
You may click on the web link directly.
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Due to world events, all shipping to Russia, Belarus, and Ukraine have ceased.  As a result, the Office of Reference Materials will not be accepting or processing orders to these countries for the foreseeable future. 

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  • NIST Office of Reference Materials
    (301) 975-2200
    100 Bureau Drive
    Stop 2300
    Gaithersburg, MD 20899
  • Technical Applications