gas chromatography

gas chromatograph

noun Chemistry.
a chromatograph used for the separation of volatile substances.

Origin:
1950–55

gas chromatography, noun
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gas chromatography
 
n
Also called: gas-liquid chromatography a technique for analysing a mixture of volatile substances in which the mixture is carried by an inert gas through a column packed with a selective adsorbent and a detector records on a moving strip the conductivity of the gas leaving the tube. Peaks on the resulting graph indicate the presence of a particular component

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Medical Dictionary

gas chromatography n.
Chromatographic process in which a mixture of gases or vapors are separated by their differential adsorption by a stationary phase.

The American Heritage® Stedman's Medical Dictionary
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