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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.

Standard Reference Data

Standard Reference Data cover a broad range scientific disciplines including atomic and molecular physics, chemical and crystal structures, fluids, material properties, biotechnology, optical character recognition and more. Data products include web applications, personal computer products, site licenses, subscriptions and distributor agreements. The SRD data program includes the Journal of Physical and Chemical Reference Data.


The nickel prototype, which is the same shape and size as a regular nickel, but instead of Thomas Jefferson has a profile of Martha Washington in a mob cap and dummy text instead of "E Pluribus Unum."

Coining Less Expensive Currency

June 20, 2018
Nickels are ubiquitous in American life, tumbling around in pockets, rolling under car seats, and emerging from the...


Conceptual Model

Communication Pathways Scenarios Workshop

July 24, 2018 to July 25, 2018
The fourth version of NIST's Framework and Roadmap for Smart Grid Interoperability Standards is under development, and will include a deeper investigation of...