Abstract
IN this book, which belongs to the “Encyclopédie scientifique des Aide-Mémoire,” is given a brief accoun of the numerous chemical substances directly derived from coal-tar. The introduction contains a short historical account of the rise of the coal-tar industry, and this is followed by a very brief description of the methods of separation adopted for light and heavy oils, phenols, and ammonia liquor; a section being specially devoted to the nature and yield of tar formed in the preparation of coke in Carvès ovens for metallurgical operations. The actual processes used for the separations of hydrocarbons and ammonia are very briefly sketched, no diagrams whatever being given. The remaining three-fourths of the book consists of a methodical description of the properties of each of the various chemical substances the presence of which has been recognised in coal-tar or coal-gas; this description, as a rule, being unaccompanied by any account of the methods by which the particular constituent under examination has been isolated from the tar. It is, in fact, a miniature chemical dictionary with a systematic instead of an alphabetic classification. The short bibliography at the end of the book will doubtless be of some use to students.
L'industrie du Goudron de Houille.
By George F. Jaubert. Pp. 172. (Paris: Gauthier-Villars et Fils, 1899.)
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L'industrie du Goudron de Houille. Nature 59, 460 (1899). https://doi.org/10.1038/059460a0
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DOI: https://doi.org/10.1038/059460a0