gas chromatography

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gas chromatography

n.
Chromatography in which the substance to be separated into its components is diffused along with a carrier gas through a liquid or solid adsorbent for differential adsorption.

gas chromatography

n
(Chemistry) 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
References in periodicals archive ?
The oulu region educational consortium (osekk), Osao oulu region school of economics, Kaukovainio unit, Technology (later the subscriber) will apply for a gas-chromatographic equipment (gc / msd) with ms detector for laboratory teaching.
After extraction from the filters and a gas-chromatographic separation, the substances were analyzed by mass spectrometry.
Capillary gas-chromatographic method for determining non-derivatized sterols--some results for duplicate 24 h diet samples collected in 1994.