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 called: gas-liquid chromatography
gas chromatography in American English
chromatography in which a gas, often nitrogen, combines with a vaporized mixture that is then passed through a long column of adsorbent material to identify its constituents
Examples of 'gas chromatography' in a sentence
gas chromatography
It uses a technology called gas chromatography to detect chemicals given off by cancer cells.