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Chemistry Programs & Projects

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Affect of Partial Charge Calculation Method on Adsorption Thermodynamics
Last Updated Date: 09/15/2015

In classical molecular simulations, electrostatic contributions to the potential energy are typically accounted for by assigning partial charges … more

Vacuum-Ultraviolet Optical Properties of Cryogenic Water Ices
Last Updated Date: 09/01/2015

The optical properties of cryogenic water ices in the vacuum-ultraviolet spectral range are studied.

Last Updated Date: 08/31/2015

The NIST Thermodynamic Metrology Group maintains and develops national standards of humidity (in the range 1 nmol/mol to 0.6 mol/mol of water … more

Atomic Standard for Pressure
Last Updated Date: 08/28/2015

NIST scientists are developing a highly accurate primary standard for pressure in the range 2 MPa to 7 MPa based on fundamental physical … more

Hybrid Humidity Generator
Last Updated Date: 08/28/2015

NIST's new primary standard humidity generator, the Hybrid Humidity Generator (HHG), replaces the NIST 2-Pressure Humidity Generator, Mark 2 … more

Evolution of Image Spatial Resolution
Last Updated Date: 08/25/2015

Measuring the through-plane water content in a hydrogen fuel cell is critical to understanding this complicated heat and mass transport … more

Use of a laser-driven plasma source in ultraviolet-detector calibrations
Last Updated Date: 08/25/2015

The National Institute of Standards and Technology operates two spectral comparator facilities, both of which are used to provide detector … more

Calibration of the Extreme UV/X-ray Irradiance Sensor (EXIS) for the Geostationary Operations Environment Satellite R-Series Program (GOES-R)
Last Updated Date: 08/25/2015

Calibrations of the The Extreme ultraviolet/X-ray Irradiance Sensor (EXIS), which will be installed on the Geostationary Operations Environment … more

Sealant Service Life Prediction
Last Updated Date: 08/11/2015

The Building Joint Sealant Service Life Prediction Research  project has been initiated by BFRL to deliver critical predictive models for service … more

Far-infrared Spectroscopy of Biomolecules
Last Updated Date: 08/10/2015

Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to … more

In Situ Characterization of Nanoscale Gas-Solid Interactions by TEM
Last Updated Date: 07/24/2015

Observing and measuring the dynamic changes that take place at the nanometer scale during the synthesis and operation of active nanostructures is … more

Fluid Suspensions & Emulsions
Last Updated Date: 07/23/2015

We are trying to help take colloidal rheology understanding beyond uniformly charged spheres to particles with more complex interactions, through … more

Working Group
Last Updated Date: 07/12/2015

The US TAG assumes a mirror structure to ISO/TC 276. As each member country has one vote within ISO/TC 276, the US vote is determined by the … more

Understanding Flow Meters
Last Updated Date: 07/09/2015

Accurate flow measurements are needed for test fluids, temperatures, pressures, flows, and installation conditions that differ from those used … more

Smoke Stack Simulator
Last Updated Date: 07/08/2015

Today, inconsistencies between measured CO 2 emissions and emissions calculated from coal consumption are on the order of 10% to 20%. Either a … more

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