NIST1893
Copper microhardness test block (Knoop)
NIST® SRM® 1893
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About This Item
grade
certified reference material
Quality Level
form
powder
packaging
pkg of each
manufacturer/tradename
NIST®
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 loads of 0.245 N, 0.490 N, and 0.980 N (0.025 kgf, 0.050 kgf, and 0.100 kgf, respectively). A unit of SRM 1893 consists of a square test block of electrodeposited bright copper on an AISI 1010 steel substrate. The test block measures 1.35 cm on each side, is approximately 1.5 mm thick, and is mounted in a thermosetting epoxy. For more information, please refer to the SDS and COA.
SRM 1893_cert
SRM 1893_SDS
SRM 1893_cert
SRM 1893_SDS
Other Notes
Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Copper (Cu)
See certificate for values and more details at nist.gov/SRM.
Copper (Cu)
See certificate for values and more details at nist.gov/SRM.
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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 1
Storage Class Code
4.1B - Flammable solid hazardous materials
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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