General description
This Standard Reference Material (SRM) is in the form of a fine powder ( 0.1 mm) and is for use in checking chemical methods of analysis and in calibration with instrumental methods of analysis. For more information, please refer to the COA and SDS.SRM 693_cert SRM 693 _SDS
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
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