The theory and practice of electrolytic methods of analysis / by Dr. Bernhard Neumann ; translated by John B.C. Kershaw, F.I.C.

  • Neumann, Bernhard, 1867-
Date:
1898
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Licence: Public Domain Mark

Credit: The theory and practice of electrolytic methods of analysis / by Dr. Bernhard Neumann ; translated by John B.C. Kershaw, F.I.C. Source: Wellcome Collection.

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    t viii AUTHOR’S PREFACE Following the next division of the work, which is devoted to metal-separations, there comes a subdivision containing a selection of practical examples. In this it is shown that in the analysis of metals, alloys, and smelting works’ products, electrolytic methods of analysis have already found acceptance, or could advantageously be adopted. Since the newer theories relating to electrical phe- nomena are steadily meeting with more general acceptance, it is certainly fitting that works on electrolysis, both analytical and technical, should be provided with a brief review of them. The Author has therefore devoted the opening chapters of the present work to such a summary. The phenomena and laws of electrolysis are discussed and explained in the light of the newer theories. The most convenient forms of current-measuring and regulating apparatus are specially described. It has been throughout the Author’s chief aim to provide both the student and the practical chemist with a work which should cover the whole of the ground ; one which, while it treated fully of the theoretical side of the subject, and gave all the necessary explanation of electro- chemical phenomena, should still deal in an unusually full manner with the practical aspects of these new analytical methods, and should enable both the student and practical chemist, by its large number of pi’actical examples, and by its full descriptions of the apparatus and instruments used, to avoid those errors into which they might otherwise fall. The numerous references to the original literature of the subject may be regarded as a useful appendix to the work. Dr. B. NEUMANN. Stolberg : September 1896.