An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Aqueous film forming foams (AFFFs) containing PFAS have been used since the 1960s for fire control and training for aviation crash and jet fuel spills at
Medical imaging devices and systems must be calibrated to ensure uniformity and reliability of test results. A Standard Reference Material (SRM) or "phantom"
Infant formula is one of the most highly regulated foods in the United States and around the world. The Infant Formula Act of 1980 (Public Law 96-359) requires
This Standard Reference Material (SRM) is intended primarily for use in calibrating measuring systems employed for the analysis of glucose in clinical samples
The Environmental Protection Agency (EPA) establishes tolerances for pesticide and herbicide residues in food that are still considered safe for consumption
Portland cement powder is characterized by particle size for use in calibrating instruments, measuring fineness characteristics of portland cement, and other
This standard reference material from NIST will help calibrate procedures for calcium determinations used in clinical analysis and for routine critical
Atomic force microscopy (AFM) is a popular technique for interrogating surfaces on the micro and nano scales. The most common use for AFM is imaging; however
NIST Standard Reference Material (SRM) 3655 helps biopharmaceutical manufacturers perform measurements of glycan molecules in their protein drug products
Four reference materials from NIST will help the U.S. Food and Drug Administration and Customs and Border Protection agencies assess whether imported salmon and
A new NIST Standard Reference Material supports the accurate measurement of the amount of a common but potentially dangerous virus in patients. Most of us have
Researchers from NIST have developed hazelnut and almond flour reference materials that will help ensure accurate and consistent results for industry test kits.
Magnetic resonance imaging (MRI) has revolutionized medical diagnostics and research by providing a non-invasive way to investigate internal tissue structures
With the addition of two new reference materials containing tree nuts, NIST now offers a complete set of aids for detecting allergens in food. As of 2022, the U
NIST Standard Reference Material ® 3289 Multivitamin Tablets will be used by testing laboratories to support the development of new analytical methods that