ASGMT has been providing Oil & Gas end-user personnel, manufacturing employees and university students the opportunity to obtain technical training from over 115 lecture classes and 48 hands-on equipment training classes.


September 16th – 19th, 2024


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September 18, 2022

Gas chromatography is one of the most widely used techniques for analyzing hydrocarbon mixtures. Some of the
advantages of chromatography are the range of measurement (from ppm levels up to 100%), the detection of a wide
range of components, and the repeatability of the measurements. Chromatography is used in the laboratory, in
permanently installed online systems, and in the field with portable systems. No matter the location, style or brand, all
gas chromatographs are composed of the same functional components that are the sample handling system, the
chromatograph oven, and the controller electronics (refer Figure 1). This paper will cover the principles or sample
handling, how chromatograph columns separate the components, why and how multi-port analysis valves are used, the
common detector type used in the hydrocarbon applications, and the analysis processing that provides the component
concentrations and the other calculated values (such as heating value and specific gravity) through physical reports or
interfaces to other devices.

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