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https://www.nist.gov/metrology
Metrology
NIST's metrology research focuses on advancing measurement science to enhance economic security and improve quality of life.
Researchers at the National Institute of Standards and Technology (NIST) have invented a miniature thermometer with big potential applications, such as
Many people wear masks in public to slow the spread of COVID-19, as recommended by the Centers for Disease Control and Prevention (CDC). However, masks with
A multidisciplinary research team at the National Institute of Standards and Technology (NIST) has developed a way to increase the sensitivity of the primary
Engineers at the National Institute of Standards and Technology (NIST) have developed a flexible, portable measurement system to support design and repeatable
Hydrofluorocarbon (HFC) refrigerants are potent greenhouse gases (GHG) that are being phased down by the U.S. and 196 other countries under the Montreal
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
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
We are developing the foundational knowledge and measurement infrastructure that will facilitate the use of solid state systems with emergent quantum properties
This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be
Work on absorbed-dose standards for particle beams is in progress, with preliminary results obtained for both high-energy electrons (at the NIST Clinac 2100C)
Microbeam X-ray fluorescence (µXRF) has been used nondestructively to investigate elemental heterogeneity by constructing two-dimensional maps of elemental
Abneesh Srivastava, Stephen E. Long, James E. Norris, Colleen E. Bryan Sallee, Jennifer Carney, Joseph T. Hodges
We present a direct comparison between two independent methods for the measurement of gaseous elemental mercury (GEM) mass concentration: isotope dilution cold
Y. Ramaye, V. Kestens, J. Charoud-Got, S. Mazoua, G. Auclair, Tae Joon Cho, Blaza Toman, Vincent A. Hackley, T. Linsinger
This report describes the production of SRM 1993/ERM-FD306, silica particles suspended in a borate buffer, certified for electrophoretic mobility and zeta
Y. Ramaye, V. Kestens, J. Charoud-Got, S. Mazoua, G. Auclair, Tae Joon Cho, Blaza Toman, Vincent A. Hackley, T. Linsinger
This report describes the production of SRM 1992/ERM-FD305, silica particles suspended in a borate buffer, certified for electrophoretic mobility and zeta
Orthogonal superposition (OSP) rheology is an advanced rheological technique that involves superimposing a small-amplitude oscillatory shear deformation
The Fourier transform infrared spectrophotometry (FTIS) facility serves as the measurement facility for characterizing the optical properties of materials in
The Seebeck coefficient is a physical parameter routinely measured to identify the potential thermoelectric performance of a material. However, researchers
High-throughput (combinatorial) metrologies have evolved as a useful approach to rapidly determine the composition-structure-property relationships for novel
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