gas chromatography

noun Chemistry.

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


  1. 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 componentAlso called: gas-liquid chromatography


  1. Chromatographic process in which a mixture of gases or vapors are separated by their differential adsorption by a stationary phase.
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