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Chemistry Programs & Projects

(showing 16 - 30 of 339)
Methods and Measurements for Emerging Contaminants
Last Updated Date: 03/24/2015

Regulatory and health agencies within the US, Canada, and countries within Europe are continuously identifying compounds of suspected carcinogenic … more

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

Global Warming and Greenhouse Gases
Last Updated Date: 03/21/2015

The Gas Metrology Group has undertaken a major climate change program that involves collaborations with key stakeholders in the United States and … more

New Gas Standard Reference Materials to Support the Automotive Industry
Last Updated Date: 03/21/2015

The American Industry/Government Emissions Research (AIGER) Consortium is working to facilitate the automobile industry meeting more stringent 2003 … more

Audit of EPA Protocol Gas Suppliers
Last Updated Date: 03/21/2015

EPA Protocol gas mixture calibration standards are obtained by users to measure emissions of regulated gaseous species to ensure that they comply … more

Measurements and Standards to Support Global Climate Change Studies
Last Updated Date: 03/21/2015

Much of the world's assessment and critical evaluation of currently available data on contributions to climate change comes from the … more

CCQM Activities in the Gas Analysis Working Group
Last Updated Date: 03/20/2015

NIST's Chemical Sciences Division Gas Metrology group has participated in over 30 Consultative Committee for Amount of Substance-Metrology in … more

Real Fuels
Last Updated Date: 03/20/2015

This programs is aimed at determining the fundamental chemical and physical properties of the large organic compounds in fuels related to their … more

Study of Microheterogeneity in Solid Reference Materials
Last Updated Date: 03/20/2015

Microbeam X-ray fluorescence (µXRF) has been used nondestructively to investigate elemental heterogeneity by constructing two-dimensional maps of … more

pH Metrology
Last Updated Date: 03/20/2015

The pH metrology program supports traceability for pH measurements. This traceability rests on primary pH measurements in an ideal electrochemical … more

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