NIST logo
NIST Home > Chemistry Portal 

Chemistry Portal - Overview

From the food we eat and the pharmaceuticals doctors prescribe to the paints and fuel additives we use, the National Institute of Standards and Technology (NIST) develops the technology, measurement methods, and standards to address the needs of the chemical industry.

Institute for Bioscience and Biotechnology Research>>

Hollings Marine Laboratory>>

Programs and Projects
Precision Measurement of the Branching Ratio and Energy Spectrum of Radiative Neutron Decay

Neutron beta-decay is typically considered as a three-body process, but it is always accompanied by inner-bremsstrahlung soft photons, n → e − + p … more

Californium Neutron Irradiation Facility

NIST maintains the Californium Neutron Irradiation Facility (CNIF), which is an exposure facility providing fast neutrons for irradiations … more

Optical and Microwave Waveform Synthesis

We use femtosecond-laser frequency combs to generate optical and microwave waveforms with unprecedented noise performance.     more

Testing of Radiation Detection Systems

NIST is working together with the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO) in testing radiation detection … more

NIST-on-a-Chip in the ADI Group

We are developing core technology tools to enable chip-scale standards that realize a broad range of base and derived SI units in compact, … more


We are developing methods and technology to detect, characterize, and identify biological molecules. Our focus is primarily on addressing next … more

Standard Reference Photometer

The Standard Reference Photometer (SRP) Program began in the early 1980s as collaboration between NIST and the U.S. Environmental Protection … more

Continuous-wave terahertz spectrometer

The continuous-wave terahertz spectrometer makes use of two near-infrared lasers. The first laser is a fixed-frequency cw ring Ti:Saph laser … more

Laboratory Equipment - X-Ray Residual Stress

Location: E137 The diffractometer is part of the Residual Stress Program with the main purpose of measuring strains/stresses. Other possible … more

Laboratory Equipment - X-Ray Reflectometer

Location: E137 The NCNR x-ray diffractometer is configured to allow both ?/2? diffraction and reflectometry. Typically Cu radiation is used with … more

Laboratory Equipment - Milli-Q Water System

Location: E134 Please refer to the manufacturer's website for more information. more

NIST Mass and Fragment Calculator Software

The NIST Mass and Fragment Calculator is a program written in Visual Basic which calculates the mass of an input peptide or protein sequence along … more

jb95 Spectral fitting program

A graphical user interface program, JB95 , based on a Windows 95 © API platform has been written in the C programming language to aid in the … more

Isotope Enrichment Calculator

The NIST Isotope Enrichment Calculator is a program written in Visual Basic which determines the percentage of 15 N enrichment of stable … more

Exercise Control System

The Systems Integration Division's (SID) Manufacturing & Modeling Simulation Group (MSG) worked with San Francisco Communications to support … more


* Download Expect source from SourceForge * Download Expect binaries from ActiveState * Expect Homepage Expect is a tool for automating … more

LFPF Software

The Logistic Function Profile Fitting program, LFPF , is based on a Fortran program written for DOS and originally issued under the name LOGIT. … more

Bookmark and Share


General Information:
301-975-NIST (6478)

100 Bureau Drive, Stop 1070
Gaithersburg, MD 20899-1070