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Chemistry

Analytical chemistry

News and Updates

A large whale is halfway out of the water, about to breach.

A Better Pregnancy Test for Whales

It’s not easy to do pregnancy tests on whales. You can’t just ask a wild ocean animal that’s the size of a school bus to pee on a little stick. For decades, the
Tumeric

Turmeric: Spice or Herbal Medicine?

What: SRM 3299 is a ground turmeric rhizome powder value assigned for curcuminoids and toxic elements. The SRM consists of five packets of the material each

Projects and Programs

Publications

IFCC working group recommendations for correction of bias caused by non-commutability of a certified reference material used in the calibration hierarchy of an end-user measurement procedure

Author(s)
Johanna Camara, W. Greg Miller, Jeffrey R. Budd, Neil Greenberg, Weykamp Cas, Harald Althaus, Heinz Schimmel, Mauro Panteghini, Vincent Delatour, Ferruccio Ceriotti, Thomas Keller, Douglas Hawkins, Robert Rej, Finlay MacKenzie, Elina van der Hagen, Hubert W. Vesper
Establishing metrological traceability to a matrix-based certified reference material (CRM) that has been validated to be commutable among a group of

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
DTSA II

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

THz photomixer spectrometer

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 operating near 840

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...