Skip to main content
U.S. flag

An official website of the United States government

Dot gov

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

Https

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.

Analytical chemistry

News and Updates

A Better Alternative to Phthalates?

Detergents, shampoos, soaps and other everyday items sometimes contain a group of chemicals called phthalates, which are often used to enhance products and add

Projects and Programs

Publications

Software

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 with m/z ions

NIST DTSA-II

NIST DTSA-II builds on the best available algorithms in the literature to simulate, quantify and plan energy dispersive x-ray analysis measurements.

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 analysis of complex

Tools and Instruments

Focused Ion Beam (Helios 660)

The Helios 660 NanoLab(HNL660) is a Focused Ion Beam Scanning Electron Microscope equipped with spectroscopic detectors to allow elemental and phase

Awards

David Long Honored with PECASE

The Presidential Early Career Award for Scientists and Engineers (PECASE) is the highest honor bestowed by the United States Government to...