Math Programs & Projects | |
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New Standardization of Ra-228
Last Updated Date: 06/27/2012 Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235 U, 238 U, and 232 Th) are exceedingly important for … more
Standardization of Am-243
Last Updated Date: 06/27/2012 A new standard solution of 243 Am, an important radionuclide for the US and international environmental-measurements communities, was developed and … more
Primary Standardization of Radionuclides by Anticoincidence Counting
Last Updated Date: 06/27/2012 The standardization of radionuclides by primary methods is the foundation for all the standards and services provided by the NIST Radioactivity … more
Radioactivity Standard Reference Materials
Last Updated Date: 06/27/2012 Total sales of radioactivity Standard Reference Materials the last two years were 818 units, having a total sales income of over $263,000. … more
NIST Laboratory for Quantitative PET-CT Imaging
Last Updated Date: 06/27/2012 As part of a NIST-wide effort to develop a metrological infrastructure for quantitative medical imaging, the Radioactivity Group has recently … more
Secondary Standards for Ra223
Last Updated Date: 06/27/2012 223 Ra is being evaluated as a radiopharmaceutical for the treatment of skeletal metastases. As an alkaline earth metal, Ra exhibits … more
Shellfish Natural Matrix Radionuclide Standard Reference Material 4358
Last Updated Date: 06/27/2012 This Standard Reference Material (SRM) has been developed in cooperation with member laboratories of the International Committee for Radionuclide … more
Radionuclide in Soil Reference Materials
Last Updated Date: 06/27/2012 Consequence management of a radiological incident requires rapid information about the nuclides, amount, dispersion, and speciation for the … more
Gamma-ray Spectrometry System
Last Updated Date: 06/27/2012 A new silicon detector for calibration of low energy gamma-ray emitting sources used for nuclear power plants, medical and homeland security … more
Separation and Purification of Ra-228 for SRM 4339B
Last Updated Date: 06/27/2012 The US Environmental Protection Agency (USEPA) maximum contaminant level for combined 226 Ra and 228 Ra in drinking water is 5 picocuries (37 mBq) … more
Standards Development for Detection of Illicit Trafficking of Radioactive Materials
Last Updated Date: 06/27/2012 The National Institute of Standard and Technology (NIST) is working in the development of ANSI/IEEE and IEC standard for the detection of illicit … more
Testing of Radiation Detection Systems
Last Updated Date: 06/27/2012 NIST is working together with the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO) in testing radiation detection … more
National Technical Nuclear Forensics CRMs
Last Updated Date: 06/27/2012 The U.S. Department of Homeland Security (DHS) is committed to using cutting-edge technologies and scientific talent in its quest to make America … more
Active Interrogation Standards
Last Updated Date: 06/27/2012 Active interrogation involves directing nuclear radiation into a closed container and measuring secondary radiations to gain information about the … more
The Urgent Requirements for New Radioanalytical CRMs
Last Updated Date: 06/27/2012 A multi-agency workshop was held from 25–27 August 2009, at the National Institute of Standards and Technology (NIST), to identify and … more |
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