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Finding PFAS Wherever They’re Hiding

NIST scientists are helping reveal tiny amounts of ‘forever chemicals’ in our food, water, clothing, and environment

Alix Rodowa in the lab figuring out how to accurately measure PFAS in drinking water. Credit: R. Wilson/NIST

Gabriel Popkin
Tue, 05/28/2024 - 12:02
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They’re called per- and polyfluoroalkyl substances, or PFAS, a group of thousands of compounds that contain a chemical bond between fluorine and carbon. That bond has proved to be one of the most stable and unbreakable known to chemistry—a fact baked into the common nickname “forever chemicals,” because once PFAS are created, they last a very long time.

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