Main Entry: gas chromatography

Function: noun

: chromatography in which the sample mixture is vaporized and injected into a stream of carrier gas (as nitrogen or helium) moving through a column containing a stationary phase composed of a liquid or a particulate solid and is separated into its component compounds according to the affinity of the compounds for the stationary phase—abbreviation GC; compare column chromatography, gas-liquid chromatography, thin-layer chromatography

—gas chromatographic adjective