grade
certified reference material
Quality Level
packaging
pkg of each
manufacturer/tradename
NIST®
format
matrix material
General description
This Standard Reference Material (SRM) is intended for use as a primary standard in calibrating Knoop-type microhardness testers and is certified for mean Knoop hardness values at a load of 4.90 N (0.500 kgf). A unit of SRM 2828 consists of a steel block, approximately 3.2 cm in diameter and 1 cm in height. For more information, please refer to the COA and SDS.
SRM 2828_cert
SRM 2828_SDS
SRM 2828_cert
SRM 2828_SDS
Other Notes
Please download a current certificate at nist.gov/SRM for current analytes and certified values.
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
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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