The American School of Gas Measurement Technology (ASGMT) has been at the forefront of Flow Measurement training since its inception in 1966. Over the years, ASGMT has evolved to encompass comprehensive training in both gas and liquids measurement. With a commitment to excellence, ASGMT now offers an extensive curriculum comprising over 115 lecture classes, complemented by 48 Hands-On Product Training sessions led by industry experts.


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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