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Researchers at the National Institute of Standards and Technology (NIST), in collaboration with the U.S. Government Publishing Office (GPO), have developed a
Last year, upwards of 25 trillion cubic feet of natural gas were delivered to customers in the United States, and when it changed hands, nearly every cubic foot
NIST is frequently asked to provide unusual, sometimes downright exotic, measurements and calibrations in support of U.S. commerce. But even old hands in the
Because of NIST's role as the National Metrology Institute (NMI) in the U.S., the Chemical Sciences Division's measurement capabilities must be benchmarked
The Surface and Trace Chemical Analysis Group (STCAG) conducts both applied and fundamental research into the development, characterization, and analysis of
Ambient and atmospheric pressure mass spectrometry platforms provide sample collection, transport, and ionization for vapor, aerosol, and liquid samples
The use of cluster sources such as C60 and argon gas cluster ion beams (Ar GCIB) allow for the analysis of the subsurface volume. It can also minimize the
Richard M. Essex, Ross W. Williams, Kayron T. Rogers, Cole R. Hexel, Tashi Parsons-Davis, Kerri C. Treinen
A highly-enriched 233U reference material (>0.99987 n(233U)/n(U)) has been prepared and characterized for use as an isotope dilution mass spectrometry spike. An
Abneesh Srivastava, Stephen E. Long, James E. Norris, Colleen E. Bryan Sallee, Jennifer Carney, Joseph Hodges
We present a direct comparison between two independent methods for the measurement of gaseous elemental mercury (GEM) mass concentration: isotope dilution cold
Coriolis mass flowmeters are known to be stable, have low uncertainty (± 0.1 %), and are insensitive to fluid properties. This meter type is used for many
Katrice A. Lippa, David L. Duewer, Michael A. Nelson, Stephen Davies, Lindsey Mackay
Metrological traceability for organic measurements is a documented unbroken chain of calibrations with stated uncertainties that link the chemical result for a
Field evaporates (with a voltage and laser pulse) a sharp tip-shaped specimen. Collects the ionization products in a position-sensitive, time-of-flight mass
Light elements such as helium, lithium, boron, and nitrogen are essential constituents in materials that enable energy technologies; lithium ion batteries