NIST's Tom Bruno With Portable Kit (IMAGE)

National Institute of Standards and Technology (NIST)

NIST's Tom Bruno With Portable Kit

Caption

NIST chemist Tom Bruno, who invented a method for recovering trace chemicals such as environmental pollutants and forensic evidence, uses a portable version of the instrument to sample vapor inside an old paint can. The underlying technique is called PLOT-cryoadsorption, or PLOT-cryo - short for porous layer open tubular cryogenic adsorption.

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Courtesy NIST/ Photo by Dave Neligh

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