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Metrology

NIST's metrology research focuses on advancing measurement science to enhance economic security and improve quality of life.

The Romance of Precision Measurement

News and Updates

Events

5615: Mass Metrology Seminar

Mon, Oct 19 - Fri, Oct 30 2020
The Mass Metrology Seminar is a two-week, "hands-on" seminar. It incorporates approximately 30 percent lectures and 70

Industry Impacts

Low GHG Refrigerants

Hydrofluorocarbon (HFC) refrigerants are potent greenhouse gases (GHG) that are being phased down by the U.S. and 196 other countries under the Montreal

Manufacturing Large Objects

It’s expensive and time-consuming for manufacturers to ensure the large objects they make, such as aircraft wings and earth-moving equipment, are the right size

Massive Forces for Heavy Industry

Measuring large forces, such as the thrust of a rocket engine or the deflection of an aircraft wing, requires well-calibrated force sensors. NIST’s unique

Projects and Programs

COMPLETED: Polymer Formulations

Our goal is to develop combinatorial and high-throughput measurement approaches for rapid characterization of the structure and phase behavior of multicomponent

Publications

The Molybdenum K-shell X-ray Emission Spectrum

Author(s)
Marcus H. Mendenhall, Lawrence T. Hudson, Csilla I. Szabo-Foster, Albert Henins, James P. Cline
Abstract We present newly measured spectra of the X-ray emission of a molybdenum metal anode subject to electron bombardment, using a very high dispersion

Tools and Instruments

Microcalorimeter Detector

The NIST transition edge sensor microcalorimeter is energy dispersive x-ray spectrometer capable of ~5 eV resolution over a range of energies from hundreds to

Awards

2018 Henry Marion Howe Medal

The ASM Henry Marion Howe Medal is awarded in memory of Dr. Henry Marion Howe, a distinguished teacher, writer, metallurgist and consultant...