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Gaithersburg

Basic Metrology: Neutron Cross Section Standards

NIST continues to be deeply involved with measurements and evaluations of neutron cross section standards. NIST maintains a limited experimental effort focused

Administration Releases Strategy to Protect Online Consumers and Support Innovation and Fact Sheet on National Strategy for Trusted Identities in Cyberspace

April 15, 2011

WASHINGTON, DC – Today, the Obama Administration released the National Strategy for Trusted Identities in Cyberspace (NSTIC), which seeks to better protect

American Chemical Society Landmark Designation of NIST

NIST'S First Century For one hundred years, scientists and engineers at the National Institute of Standards and Technology, formerly the

Calibrations: Neutron Device Calibrations

NIST provides the national reference for the calibration of neutron radiation detectors used for personnel protection and for neutron personnel dosimeters.

Basic Metrology: Primary Standards for Radionuclides

Primary activity standards for radionuclides form the foundation for the many products and services of the Radioactivity Group and serve as ground-truth for

Basic Metrology (Archive): Standardization of Am-243

A new standard solution of 243Am, an important radionuclide for the US and international environmental-measurements communities, was developed and disseminated

Basic Metrology (Archive): New Standardization of Ra-228

Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235U, 238U, and 232Th) are exceedingly important for various

Calibration Service: Air-Kerma Calibrations in Radiation Protection Level Cs-137 and Co-60 Gamma Ray Beams

The Dosimetry Group maintains and disseminates the national measurement standards for air-kerma (exposure) from 137Cs and 60Co gamma-ray beams and for absorbed

photon attenuation cross section measurements

Basic Metrology: Standard Reference Data on Radiation Interactions

NIST is in its eighth decade of providing critically evaluated, comprehensive databases of cross-section information for ionizing photons (x and gamma rays)

Comparisons: International Comparisons for Air-Kerma and Absorbed Dose to Water from Gamma-ray Beams

A bilateral comparison was conducted between NIST and the International Atomic Energy Agency (IAEA) to support international efforts for harmonizing radiation

Basic Metrology (Archive): Blind Measurement Comparisons of the USA and UK Pb-210 National Standards

The National Institute of Standards and Technology (NIST), Radioactivity Group, and the National Physical Laboratory (NPL) of the UK, exchanged 210Pb solution

Comparisons (Archive): International Comparison of Pu-241 Activity

All of the plutonium isotopes, which have a very high biotoxicity, are man-made and result from various nuclear activities. Plutonium-241 is a very low-energy

Comparisons (Archive): Technetium-99m Primary Standardization and International Comparison

Technetium-99m ( 99mTc) is used in two-thirds of all diagnostic nuclear medicine procedures in the United States.

Basic Metrology (Archive): New Statistical Analysis Tools

Members of the Radioactivity Group (RG) have been actively collaborating with statisticians in the NIST Statistical Engineering Division to identify new tools

Basic Metrology: Applications of Diagnostic X-ray Spectrometers

The Dosimetry Group designs, fabricates, and calibrates bent-crystal optics and diagnostic spectrometers for customers around the world.

New NIST SRM Helps Improve Diagnosis of Huntington's Disease

April 12, 2011

A new Standard Reference Material (SRM) from the National Institute of Standards and Technology (NIST) will help clinical genetics labs accurately diagnose

Free Online Tool Aids Decisions on Fire Sprinkler Systems for Homes

April 12, 2011

For the many states, communities, new-home builders and prospective buyers now mulling over the pluses and minuses of installing residential fire suppression

Sharpened Focus: Improving the Numbers, Utility of Medical Imaging

April 12, 2011

The idea of probing the body's interior with radiation stretches back to experiments with X rays in the 1800s, but more than a century later, images taken with

The Heat Is On: NIST Zeroes In On Energy Consumption of Ice Makers

April 12, 2011

In tests of four different types of new refrigerators, National Institute of Standards and Technology (NIST) researchers found that ice makers increased rated

Crowdsourcing Science History: NIST Digital Archives Seeks Help in Identifying Mystery Artifacts

April 12, 2011

Do you hold the key to solving some gadget mysteries from the last century of U.S. science and technology? In its 110 years, the National Institute of Standards

Basic Metrology: Theoretical Dosimetry and Radiation-Transport Calculations

The fundamental photon and charged particle interaction data and the radiation transport methods, pioneered and developed at NIST to calculate the penetration

NACMA 2011 Annual Workshop and Conference: Meet World Experts on GD&T, Dimensional Measurement Uncertainty, and Coordinate Measuring Machine (CMM) Accuracy

Wed, Nov 2 - Fri, Nov 4 2011

To contribute to the growth of expertise in coordinate measuring machine technology, improve measurement accuracy and

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Gaithersburg

Basic Metrology: Neutron Cross Section Standards

Administration Releases Strategy to Protect Online Consumers and Support Innovation and Fact Sheet on National Strategy for Trusted Identities in Cyberspace

American Chemical Society Landmark Designation of NIST

Calibrations: Neutron Device Calibrations

Basic Metrology: Primary Standards for Radionuclides

Basic Metrology (Archive): Standardization of Am-243

Basic Metrology (Archive): New Standardization of Ra-228

Calibration Service: Air-Kerma Calibrations in Radiation Protection Level Cs-137 and Co-60 Gamma Ray Beams

Basic Metrology: Standard Reference Data on Radiation Interactions

Comparisons: International Comparisons for Air-Kerma and Absorbed Dose to Water from Gamma-ray Beams

Basic Metrology (Archive): Blind Measurement Comparisons of the USA and UK Pb-210 National Standards

Comparisons (Archive): International Comparison of Pu-241 Activity

Comparisons (Archive): Technetium-99m Primary Standardization and International Comparison

Basic Metrology (Archive): New Statistical Analysis Tools

Basic Metrology: Applications of Diagnostic X-ray Spectrometers

New NIST SRM Helps Improve Diagnosis of Huntington's Disease

Free Online Tool Aids Decisions on Fire Sprinkler Systems for Homes

Sharpened Focus: Improving the Numbers, Utility of Medical Imaging

The Heat Is On: NIST Zeroes In On Energy Consumption of Ice Makers

Crowdsourcing Science History: NIST Digital Archives Seeks Help in Identifying Mystery Artifacts

Basic Metrology: Theoretical Dosimetry and Radiation-Transport Calculations

NACMA 2011 Annual Workshop and Conference: Meet World Experts on GD&T, Dimensional Measurement Uncertainty, and Coordinate Measuring Machine (CMM) Accuracy

Basic Metrology (Archive): Radon Binding to Water-Soluble Cryptophane

Applied: Methods in Neutron Detection and Spectroscopy

A Community-Building Workshop: Measuring, Evaluating and Improving the Usability of Electronic Health Records

Bertocci, Kirchhoff Honored as AAAS Fellows

Seeking Excellence? Baldrige Conference Fulfills Your 'Quest'

Technology Innovation Program to Fund New Infrastructure Research

Leadership Yin-Yang on the Road to Performance Excellence

Conference to Focus on Anti-Counterfeiting, Consumer Protection