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Title: The Sampling And Analysis Of Petroleum Hydrocarbons
Author: R. L. Huntington
Source: 1955 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1955
Abstract: The accuracy of the detenrdnation of the composition of a liquid or gas consisting of a mixture of hydrocarbons is generally thought of in terms of the laboratory analyst. The importance of the analytical laboratory is not to be minimized however, it is a total loss of time to carry out carefull work in the laboratory unless one can be certain that the proper sampling is made of the stream or batch of material under investigation. In other words the analytical results are of no value to the engineer unless they represent the average composition over a delinite period of time in the case of continuous process or a portion of a truly homogenous mixture in the analysis of a large batch of stored liquid hydrocarbon. A number of the major companies are making an effort to improve upon sampling practices either by sending out mobile laboratories into outlying districts or by having the technical man go to the field to obtain the samples. In the absence of the engineer in the field, a set of clear-cut written instructions may serve fairly well as a means of ensuring proper sampling.

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