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Title: Gas Chromatography
Author: F. W. Sattler
Source: 1972 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1972
Abstract: No one method of analysis has affected the natural gas industry as has gas chromatography. The method has or is replacing other methods of analysis in all phases of the industry-from well head settlements through preparation of L.P.G. to pipeline specification gas. The greatest advantage of the method is the short time of analysis with accuracy. GAS CHROMATOGRAPHY is a technique for separating components of a gas stream by moving the stream over a stationary phase. If the stationary phase is solid, the proper name is GAS-SOLID CHROMATOGRAPHY. The common packings, silica gel or molecular sieve, adsorb different gases at different rates to separate the components. If the stationary phase is a liquid, GAS-LIQUID CHROMATOGRAPHY is the term. A thin liquid film is spread over an inert solid. The components of the gas stream go into solution at different rates to separate them.

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