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Chemistry Programs & Projects

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Optimization of the Standard Addition Method (SAM) Using
Last Updated Date: 03/02/2015

The standard addition method (SAM) was first described by oceanographers in 1955 to overcome matrix effects in the determination of strontium in … more

Comprehensive Two-Dimensional Gas Chromatography/Time of Flight Mass Spectrometry (GC x GC/TOF-MS)
Last Updated Date: 03/02/2015

Although conventional gas chromatography mass spectrometry (GC/MS) provides relatively high efficiency separations, the analysis of some complex, … more

Fundamental Chemical Metrology
Last Updated Date: 03/02/2015

The Chemical Sciences Division serves as the Nation’s reference laboratory for chemical compositional measurements and standards to enhance U.S. … more

Marine Environmental Metabolomics
Last Updated Date: 03/02/2015

NIST is developing NMR-based metabolomics for use as a tool to expand research on the impacts of environmental stressors on marine organisms. The … more

Development of Standard Reference Materials for Vitamin D Metabolites
Last Updated Date: 02/27/2015

The prevalence of vitamin D deficiency/insufficiency within the general population is an area of concern. Vitamin D status is generally assessed by … more

Development of Standard Reference Materials for Vitamins B6 and B12 in Human Serum
Last Updated Date: 02/27/2015

Vitamins are essential to normal functioning of the human body because they serve as co-factors for important biological processes. Deficiencies in … more

Measurements and Standards for Contaminants in Biological (Human) Materials
Last Updated Date: 02/24/2015

For the past 25 years NIST has developed a number of biological fluid and tissue Standard Reference Materials (SRMs) primarily for clinically … more

Dietary Supplement Analysis Quality Assurance Program
Last Updated Date: 02/23/2015

The National Institute of Standards and Technology (NIST) has established a Dietary Supplement Laboratory Quality Assurance Program (DSQAP) in … more

Monitoring Contaminants in the Arctic and Subarctic Using Banked Seabird Eggs
Last Updated Date: 02/20/2015

In 1999, the U.S. Fish and Wildlife Service Alaska Maritime National Wildlife Refuge (USFWS-AMNWR), the U.S. Geological Survey Biological … more

Development of Standards for the World Meteorological Organization, Global Atmosphere Watch Program
Last Updated Date: 02/12/2015

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

Global Warming and Greenhouse Gases
Last Updated Date: 02/12/2015

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

Measurements and Standards to Support Global Climate Change Studies
Last Updated Date: 02/12/2015

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: 02/12/2015

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

New Gas Standard Reference Materials to Support the Automotive Industry
Last Updated Date: 02/11/2015

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

International Collaborations to Improve the Accuracy of Gas Primary Standards
Last Updated Date: 02/11/2015

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

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