Industrial chemistry, a manual based upon Payen's 'Précis de chimie industrielle'. PDF Download
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Author: Benjamin Horatio Paul
Publisher:
ISBN:
Category :
Languages : en
Pages : 1058
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Author: Benjamin Horatio Paul
Publisher:
ISBN:
Category :
Languages : en
Pages : 1058
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Author: Benjamin Horatio Paul
Publisher: Rarebooksclub.com
ISBN: 9781230123011
Category :
Languages : en
Pages : 632
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1878 edition. Excerpt: ...in small cubes, and intimately mixed with charcoal, is introduced at the top, and on the application of a strong heat the metal is reduced, but retains the form of the oxide, and is withdrawn through orifices in the bottoms of the cylinders. As the nickel is withdrawn from below fresh charges of oxide and charcoal are introduced at the top, and so the cylinders are worked on the principle of lime kilns, the process being therefore in a sense continuous. Sometimes the wet hydrated oxide of nickel is worked into a paste with a small quantity of flour and syrup, giving a mass of a dough-like consistency, which may then be cut up into cubes about of an inch square, and reduced by intense ignition either in crucibles or in tubes, where they are surrounded by charcoal dust. There are various methods of obtaining the metal in a pure state on the small scale, but as they are nearly alt based upon the same principles the description of one will serve to illustrate all. The roasted ore is dissolved in aqua regia containing an excess of nitric acid, so as to get the iron in a ferric state; excess of ammonia is then added; the ferric oxide is separated by filtration, and caustic potash is added to the blue liquid until the colour has nearly disappeared. In this way a pale green precipitate consisting of hydrated nickel oxide and potash is obtained. On washing with hot water the potash is removed, and the residual precipitate after drying gives, by reduction at a high temperaturo in a stream of hydrogen, metallic nickel of a pyrophoric nature. On heating in contact with charcoal at a forge a well-fused button of carbide of nickel is obtained. Nickel oxalate also gives the metal on decomposition by heat, and it may likewise be obtained in...
Author: Payen (M., Anselme)
Publisher:
ISBN:
Category : Chemistry, Technical
Languages : en
Pages : 978
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Author: Anselme Payen
Publisher:
ISBN:
Category :
Languages : en
Pages : 1022
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Author: Anselme Payen
Publisher:
ISBN:
Category : Chemistry, Technical
Languages : en
Pages : 978
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Author: Anselme Payen
Publisher: Forgotten Books
ISBN: 9780259995814
Category : Science
Languages : en
Pages : 996
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Excerpt from Industrial Chemistry: A Manual for Use in Technical Colleges or Schools and for Manufacturers, Etc.; Based Upon a Translation (Partly by Dr. T. D. Barry) Of Stohmann and Engler's German Edition of Payen's "Precis De Chime Industrielle" One of the most noteworthy characteristics of the present time is the growing recognition of science as the highest form of practical knowledge, and of the fact that, since the processes of industrial art are but particular instances of the general habitudes of nature, the successful conduct of technical operations, no less than the improvement of particular branches of industry, involves acquaintance with natural facts and principles, which it is the special business of abstract science to deal with altogether apart from considerations of utility; In this respect no branch of science is more important than Chemistry, because there is scarcely any great industry in which the materials operated upon are not, at some stage or other, made to undergo chemical alteration. In the extraction of the useful metals from their ores, in the making of glass and pottery ware, in dyeing and calico-printing, as well as in the preparation of various articles of food, such as bread, beer, etc., the desired results are obtained by producing suitable chemical alterations. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Allen Rogers
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 786
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Author: Anselme Payen
Publisher:
ISBN:
Category : Chemistry, Technical
Languages : en
Pages : 1006
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Author: Longmans, firm, publishers
Publisher:
ISBN:
Category :
Languages : en
Pages : 236
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Author: Pharmaceutical Society of Great Britain. Library
Publisher:
ISBN:
Category : Pharmacology
Languages : en
Pages : 726
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