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Chemistry Programs & Projects

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Towards a Neutron Microscope
Last Updated Date: 07/23/2013

A novel neutron lens based on reflection has recently been developed that could greatly benefit neutron imaging and other neutron scattering … more

Pushing and Understanding the Limits of Spin-Exchange Optical Pumping of He-3
Last Updated Date: 07/23/2013

Neutron spin filters based on polarized 3He rely on the strong spin dependence of the absorption of neutrons by 3He gas.

Precision Measurement of Radiative Neutron Decay Branching Ratio and Energy Spectrum
Last Updated Date: 07/23/2013

Although neutron decay is typically considered as a three-body process, in the radiative correction it is always accompanied by … more

Neutron Imaging for Advanced Catalyst Development and Durability Studies
Last Updated Date: 07/22/2013

Neutron imaging continues to play a key role in elucidating the role of water in proton exchange membrane fuel cells (PEMFCs) as highlighted by … more

Neutron Detector Replacement Program
Last Updated Date: 07/22/2013

The Department of Homeland Security/Domestic Nuclear Detection Office (DHS/DNDO) is pursuing a course to transform 3 He alternative technologies … more

Measurement of the Electron-Antineutrino Correlation in Neutron Decay
Last Updated Date: 07/22/2013

The angular correlation between the beta electron and antineutrino in nuclear beta decay α is the least well-known of the group of neutron decay … more

Magnetically Trapped Neutron Lifetime Experiment
Last Updated Date: 07/22/2013

The decay of the free neutron is the simplest nuclear beta decay and is the prototype for all charged current semi-leptonic weak interactions.  … more

High-Efficiency Neutron Detection and Spectroscopy
Last Updated Date: 07/22/2013

Precise knowledge of the fast neutron spectrum and fluencies is essential for several experimental endeavors requiring the low-background of the … more

Advanced Neutron Imaging Facility
Last Updated Date: 07/22/2013

The NIST Neutron Imaging Facility (NNIF) at the NIST Center for Neutron Research .

Structure-Property Links in Deformation
Last Updated Date: 07/18/2013

This project aims to improve models linking the microscale, grain-level deformation properties, and the macroscopic, continuum deformation … more

Tandem Mass Spectral Library
Last Updated Date: 07/10/2013

The National Institute of Standards and Technology is responsible for an evaluated, tandem mass spectral library as an extension of the … more

Performance Metrics for Proteomics
Last Updated Date: 07/10/2013

In collaboration with the National Cancer Institute's Clinical Proteomic Technologies for Cancer (CPTC) , NIST researchers are developing specific … more

Electron Ionization Library Component of the NIST/EPA/NIH Mass Spectral Library and NIST GC Retention Index Database
Last Updated Date: 07/10/2013

The National Institute of Standards and Technology (NIST) has developed and maintains an Electron Ionization (EI) Library as part of the … more

In Situ Characterization of Nanoscale Gas-Solid Interactions by TEM
Last Updated Date: 06/28/2013

Observing and measuring the dynamic changes that take place at the nanometer scale during the synthesis and operation of active nanostructures is … more

A Gas Pressure Scale Based on Primary Standard Piston Gauges
Last Updated Date: 06/07/2013

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

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