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gas chromatography
[ gas kroh-muh-tog-ruh-fee ]
noun
, Chemistry.
- chromatography in which a substance is converted into vapor and mixed with a gaseous element, as nitrogen, then separated and quantified by preferential adsorption by a solid or liquid element.
gas chromatography
noun
- 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 Also calledgas-liquid chromatography
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Word History and Origins
Origin of gas chromatography1
First recorded in 1950–55
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