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Title: Gas Chromatography - Equipment, Techniques And Operation
Author: John W. Toole
Source: 1982 International School of Hydrocarbon Measurement
Year Published: 1982
Abstract: Samples for chromatographic analysis at Internorths Liberal Laboratory are taken by qualified field technicians who have been certified by the Laboratory as having satisfactorily completed a training course in proper sampling techniques. The course is based upon standardized procedures as set forth in GPA Publication 2136-68,Methods for Obtaining Natural Gas Samples for Analysis by Gas Chromatography, and GPA Standard 2174-79, Method for Obtaining Hydrocarbon Fluid Samples using a Floating Piston Cylinder. These procedures have been adapted to fit the particular needs of Internorths operations. For instance the floating piston cylinders are also used to take samples of natural gas streams carrying appreciable concentrations of pentanes and heavier hydrocarbon which can be easeily liquified. Dry gas samples are taken in the standard double valved steel cylinders familiar to us all




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