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Analytical Methods for Coal and Coal Products. Volume III by Clarence Karr

By Clarence Karr

Analytical equipment for Coal and Coal items, quantity III, is the 3rd of a three-volume treatise that goals to supply an in depth presentation of what constitutes the 1st complete reference paintings committed solely to the topic of analytical technique for coal and coal items. the 3 volumes were divided right into a overall of twelve components, each one half containing a number of chapters dedicated to a specific topic. the current quantity bargains with gases, waste items, by-products, environmental difficulties, and miscellaneous analytical difficulties, in addition to certain instrumental ideas for fixing numerous difficulties.
Because varied elements of a selected topic are usually scattered via a number of chapters within the volumes, cross-references among chapters were entered. additionally, the topic indexes were made as specific as used to be useful, and the reader will make the most of exam of pertinent topics within the indexes of all 3 volumes. A cautious studying of those volumes will express that definitive suggestions aren't but on hand in a few cases. there's a transparent desire for persevered examine at the basics of study of coal and coal items, and the improvement of trustworthy and exact analytical instrumentation, together with on-stream functions.

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Hamming, F. J. Radd, and A. B. Carel safety relates to gas and films produced on fresh coal surfaces. Accordingly, answers to the following questions were pursued. (1) What happens, chemically and physically, at the surface of a newly exposed high-methane coal surface, such as the Pittsburgh No. 8 seam? (The Pittsburgh seam is a gigantic coal seam located in West Virginia, Pennsylvania, and Ohio. See Fig. ) (2) Chemically speaking, what happens as a newly exposed coal surface is air oxidized and how are these surface changes effected by time?

39. Characterization of Recovered Volatiles 43 44 M. C. Hamming, F. } . Radd, and A. B. Carel perfluorokerosene, is used to relate voltage parameters to mass to aid in making mass assignments. However, this was not carried out in this work because of problems of overloading the perfluorokerosene with the coal samples being analyzed. A computer program developed in the Analytical Research Laboratory at Continental Oil Company was used to make mass assignments of the observed line positions. In place of the internal calibration compound, the common fragment ions of hydrocarbon were used as input candidate calibration peaks to aid the computer in its calculation of accurate masses.

43% based on a 50 g coal sample used in the grinding. The weight percent CH 4 was obtained by using the ideal gas law and converting the gas to milliliters at standard conditions, then to liters, moles, grams, and finally to weight percent. The percent methane released by this Bleuler grinding is in agreement with that predicted from adsorption data in a study by Radd and Hassell carried on at Continental Oil Company, Ponca City, Oklahoma. That study showed that the methane-coal system behaves as a Freundlich adsorption system (the methane having a van der Waals-type attraction) following this basic equation: nP = K ' l n V + K"V + K'", (1) where In P = natural log of P, In V = natural log of V, and the terms K', K", K'" are separate constants.

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