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XIV.—The X-Ray Examination of Coal Sections. (Preliminary Note.)

Published online by Cambridge University Press:  15 September 2014

C. Norman Kemp
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Extract

A number of investigators have sought to extend existing knowledge regarding the mode of origin and structural characteristics of coal as revealed by X-rays, taking advantage of the ease with which the true coal may thereby be distinguished from the associated inorganic matter commonly termed“ ash.”

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 48 , 1929 , pp. 167 - 179
Copyright
Copyright © Royal Society of Edinburgh 1929

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References

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page 169 note ¶ R. Lessing, “Coal Ash and Clean Coal,” Royal Soc. of Arts. Cantor Lectures, 1925.

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page 169 note ║║ H. Louis, The Preparation of Coal for the Market, 1928, Methuen & Co.

page 169 note ¶¶ R. van Aubel, “ La détermination à l'aide des rayons X des minéraux, minerais et de quelques produits industriels,” Rev. de l'Industrie Minérale, No. 177, 1928.

page 170 note * Physical and Chemical Survey of the National Coal Resources, “The Lancashire Coalfield,” No. 3, Arley Seam.

page 170 note † Ibid., Nos. 4 and 9, Ravine Seam.

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page 179 note § F. Wever, “ The Nature of Graphite and Temper Carbon,” Mitt, aus dem, Kaiser-Wilhelm-Inst., 1922.

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page 179 note ** A. St John, “X-Ray Studies of Coal and Coke,” loc. cit.