An official website of the United States government
Here’s how you know
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.
CHETAH 7.2 is a vital resource for predicting both thermochemical properties and certain reactive chemical hazards associated with a pure chemical, a mixture of...
Designed for phase characterization obtained by electron diffraction methods, this database and associated software permit highly selective identification...
This database (also called EPSTAR) provides rapid calculations of stopping powers (collisional, radiative, and total), CSDA ranges, radiation yields and density...
The Technical Standards Activities Program (TSAP) provides support for public and private sector standards-related activities.TSAP manages:U.S. representation...
NIST Special Database 11 is a set of 1990 Census Miniform images. A Miniform is a non-sensitive portion of the Industry and Occupation section of an actual...
Several current aspects of legal metrology are likely to change significantly over the next 10 years to 20 years. Exponential increase in the use of technology...
NIST is a designating authority under two government-to-government agreements on the mutual recognition of conformity assessment results in regulated sectors...
A joint meeting of OIMl TC/8/Sc 3 Dynamic volume measurement for liquids other than water (Germany) and TC 8/SC 4 Dynamic mass measurements for liquids other...
The Neutron Source Calibration Facility operated by the United States National Institute of Standards and Technology (NIST) is a world-class calibration...
This database is a valuable tool for evaluating fingerprint systems using a statistical sample of fingerprints which approximate a natural horizontal slice of...
The Office of Information Services is responsible for NIST's research library and publications program. In the course of developing new electronic and print...
NIST Special Database 13 is a set of 1990 Census Miniform images. A Miniform is a non-sensitive portion of the Industry and Occupation section of an actual...
The CYCLE_D database package simulates the vapor compression refrigeration cycles using the 38 pure fluids and mixtures covered by the well-known and widely...
This data collection contains 5,228 infrared spectra in the JCAMP-DX (Joint Committe for Atomic and Molecular Physical Data Data Exchange) format. They are...
The Standards Information Program (SIP) contributes to the National Institute of Standards and Technology's (NIST's) goals for improving U.S. competitiveness in...
The NIST TechniPubs is a listing of official NIST technical publications. There are Forthcoming, Recent, and General Publications lists. The Forthcoming and...
NIST is a designating authority under two government-to-government agreements on the mutual recognition of conformity assessment results in regulated sectors...
The NDRL/NIST Solution Kinetics Database includes chemical kinetic data for free radical processes involving primary radicals from water, inorganic radicals...
The database of materials properties provides evaluated property data for high temperature superconductors.The range of materials covers the many series of...
Promotes uniformity for over 750 state and local jurisdictions in weights and measures standards, laws, and practices to facilitate trade and protect U.S...
The NIST Technicalendar is a weekly listing of Meetings at NIST, Meetings Elsewhere, Talks by NIST Personnel, and Announcements of interest to NIST Technical...
This brief presentation discusses the topics of Traceability and measurement uncertainty and how these concepts are implemented in the laboratory accreditation...
This publication is an address and telephone directory of Weights and Measures Officials in the United States and all members of the National Conference on...
The NIST database of supplemental fingerprint card data provides a larger sample of fingerprint patterns that have a low natural frequency of occurrence and...
Special Database 19 contains NIST's entire corpus of training materials for handprinted document and character recognition. It publishes Handprinted Sample...
The article explains the legal foundation and current relevance of the clause in the U.S. Constitution authorizing Congress to fix the standards of weights and...
The process for making a NIST Standard Reference Material involves a program of ongoing research followed by specific development and production steps. The...