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Chemistry Programs & Projects

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pH Metrology
Last Updated Date: 05/18/2015

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

Evaluation of Independent High-Precision Assay Procedures for a High-Purity Primary Standard Reagent
Last Updated Date: 05/18/2015

NIST assigns assay values for a suite of high-purity reagents using two techniques: coulometry and titrimetry. Coulometry is based on Faraday's … more

Standard Solution SRMs Provide Traceability for Millions of Measurements
Last Updated Date: 05/18/2015

For decades, NIST has provided the SRM 3100 series single-element standard solutions. The certified values are traceable to the International … more

Marine Environmental Metabolomics
Last Updated Date: 05/18/2015

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

Gas properties for flow metering
Last Updated Date: 04/10/2015

Flow meters that rely on measuring the pressure drop across a laminar flow element can be accurately calibrated using a benign surrogate gas (such … 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

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

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

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