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Chemistry Programs & Projects

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Biomagnetic Imaging
Last Updated Date: 06/08/2015

The biomagnetic imaging program develops standards, measurement methods, and new magnetic imaging modalities for biomedical and environmental … more

Vapor Cell Devices
Last Updated Date: 06/02/2015

We are developing microfabricated high-performance atomic magnetometers for magnetic anomaly detection, nuclear magnetic resonance and biomagnetics. more

Pressure
Last Updated Date: 06/02/2015

 The NIST Thermodynamic Metrology Group (TMG) provides critical research into pressure measurement capabilities improving uncertainties in user … more

Cold-Atom Devices
Last Updated Date: 05/29/2015

The cooling of atoms to microkelvin temperatures using lasers is currently enabling a new generation of precision instruments that take advantage … more

Micro- and Nanoelectromechanical Systems
Last Updated Date: 05/26/2015

Microelectromechanical systems (MEMS) are integrated devices with critical applications in sensing, timing, signal processing, and biomedical … more

Seabird Tissue and Archival Monitoring Project (STAMP)
Last Updated Date: 05/20/2015

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

Isotopes as Environmental Tracers in Archived Biological Specimens
Last Updated Date: 05/20/2015

There is increasing interest in the analytical and environmental communities in using mercury isotopic fingerprinting to identify source patterns … more

Methods and Measurements for Emerging Contaminants
Last Updated Date: 05/20/2015

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

Multidimensional Chromatography
Last Updated Date: 05/18/2015

Both comprehensive two-dimensional gas chromatography (GCxGC) and comprehensive two-dimensional liquid chromatography (LCxLC) have emerged as … more

Optimization of the Standard Addition Method (SAM) Using
Last Updated Date: 05/18/2015

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

High-Precision Isotopic Reference Materials
Last Updated Date: 05/18/2015

Recent innovative advances in the design and manufacture of isotope ratio mass spectrometers (IRMS) have revolutionized the study of natural and … more

Mercury Vapor Pressure Correlation
Last Updated Date: 05/18/2015

An apparent difference between the historical mercury vapor concentration equations used by the mercury atmospheric measurement community and a new … more

Fundamental Chemical Metrology
Last Updated Date: 05/18/2015

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

Potential Primary Measurement Tool for the Quantification of DNA
Last Updated Date: 05/18/2015

The accurate mass determination of DNA and other nucleic acids is of critical importance in many clinical diagnoses and in forensic and molecular … more

Study of Microheterogeneity in Solid Reference Materials
Last Updated Date: 05/18/2015

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

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