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Chemistry Programs & Projects

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Absolute Ag108 Characterization Based on Gamma-Gamma Coincident Detection by Two Nai (TI) Detectors
Last Updated Date: 04/02/2015

A two-dimensional analysis of three coincident gamma-rays in 108 Ag m decay, detected by two NaI(Tl) scintillation detectors, allows a direct … more

Applications of Diagnostic X-ray Spectrometers
Last Updated Date: 04/02/2015

The Dosimetry Group designs, fabricates, and calibrates bent-crystal optics and diagnostic spectrometers for customers around the world. more

Physical Properties of Liquid Precursors
Last Updated Date: 04/02/2015

In striving to adhere to Moore's Law, the semiconductor industry is designing and using new metal-organic compounds. Precursor compounds deliver a … more

High-Stability Transfer Standard for the Barometric Pressure Range of 100 Pa to 130 kPa
Last Updated Date: 04/02/2015

NIST has developed a new pressure transfer standard capable of absolute-mode and differential-mode operation in the range of 100 Pa to 130 kPa. … more

A Gas Pressure Scale Based on Primary Standard Piston Gauges
Last Updated Date: 04/02/2015

Accurate determinations of pressure are required for diverse applications such as the altitude of aircraft, barometric pressure for weather … more

Development of Enhanced mRNA Amplification using Microfluidics
Last Updated Date: 04/01/2015

In conjunction with NCI/NIH, NIST is developing methods to improve mRNA amplification from small biological samples. Typical sample processing … more

State-resolved Biomolecular Spectroscopies
Last Updated Date: 03/30/2015

Sensitive and fully state resolved spectroscopic methods in the terahertz (THz) and ultraviolet (UV) regions are being developed to investigate … more

Micronutrients Measurement Quality Assurance Program
Last Updated Date: 03/27/2015

The Micronutrients Measurement Quality Assurance Program , coordinated by the Chemical Sciences Division, supports measurement technology for … more

Vacuum-Ultraviolet Optical Properties of Cryogenic Water Ices
Last Updated Date: 03/24/2015

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

HML Organic Chemical Metrology Program Areas
Last Updated Date: 03/24/2015

The Organic Chemical Metrology Program exists within the Chemical Sciences Division, MML, which is located at the Hollings Marine Laboratory in … more

NIST Traceable Reference Material Program for Gas Standards
Last Updated Date: 03/24/2015

Two NIST programs provide calibration gas standards with NIST analyses and concentration value assignment: the Standard Reference Material (SRM) … more

Traceable Calibration Gases: SRMs, NTRMS, and Protocol Gases
Last Updated Date: 03/24/2015

The Gas Sensing Metrology Group in the Chemical Sciences Division is tasked with providing traceability in gas analysis for the U.S. This group … more

Development of Standards for the World Meteorological Organization, Global Atmosphere Watch Program
Last Updated Date: 03/21/2015

The presence of volatile organic compounds (VOCs), which include hydrocarbons, monoterpenes and oxygenates, in the atmosphere has become important … more

The NIST Standard Reference Photometer for Ozone Measurement Traceability
Last Updated Date: 03/21/2015

The NIST Standard Reference Photometer (SRP), developed jointly with the U.S. Environmental Protection Agency (USEPA), has provided an … more

International Collaborations to Improve the Accuracy of Gas Primary Standards
Last Updated Date: 03/21/2015

The Gas Metrology Group periodically participates in bilateral and multi-laboratory international comparisons. During the past two years … more

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