| a chromatograph used for the separation of volatile substances. |

| 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'-chro·mat'o·graph'ic (gās'krō-māt'ə-grāf'ĭk) adj. |
gas chromatography n.
Chromatographic process in which a mixture of gases or vapors are separated by their differential adsorption by a stationary phase.