Dataset - Catalog

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Filter by location Clear

Topics

There are no Topics that match this search

Topic Categories

There are no Topic Categories that match this search

Dataset Type

There are no Dataset Type that match this search

Tags

Formats

Organization Types

Organizations

Publishers

Bureaus

close

3 datasets found

Federal

NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126

National Institute of Standards and Technology —

Tables of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients from 1 keV to 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of...
- HTML
Federal

NIST-CODATA Internationally Recommended 2022 Values of the Fundamental Physical Constants - SRD 121

National Institute of Standards and Technology —

This site, developed in the Physics Laboratory at NIST, addresses three topics: fundamental physical constants, the International System of Units (SI), which is the...
- TEXT
- HTML
Federal

NIST/EPA/NIH Mass Spectral Library with Search Program - SRD 1a

National Institute of Standards and Technology —

This database is the product of a multi-year, comprehensive evaluation and expansion of the world's most widely used mass spectral reference library.
- HTML

3 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.