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Title: Microprocessor Controlled System For Hydrocarbon Gas Analysis
Author: m. F. Arnold, C. Perham, L. S. Ettre, B. Welton
Source: 1979 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1979
Abstract: One of the earliest applications of gas Chromatography was the analysis of natural gas and refinery gases. Although very simple at first glance, this analysis is actually very complicated for a number of reasons. First, there is no single column which can provide adequate resolution of all the components present and even a dual-column combination would be inadequate. At the same time the column required for separation of some of the inorganic compounds (molecular sieve) would irreversibly adsorb carbon dioxide and some of the important hydrocarbon constituents of the sample therefore, a way had to be found to prevent these sample components from entering the molecular sieve column.

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