Tom Bruno, National Institute of Standards and Technology (NIST) (IMAGE)

National Institute of Standards and Technology (NIST)

Tom Bruno, National Institute of Standards and Technology (NIST)

Caption

NIST chemist Tom Bruno demonstrates sampling of biodiesel fuel for injection into a gas chromatograph-mass spectrometer, an instrument that separates and identifies the components of a mixture.

Credit

Ost, NIST

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