Bulletin of Pharmacy Volume 5 by Books Group
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Author: Books Group
Number of Pages: 546 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130481204
File size: 26 Mb
Download Link: Bulletin of Pharmacy Volume 5
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1891 Excerpt: ...The genus Epicauta is represented by six species in Europe, of which E. dubica, which is almost of the size of the Japanese, is found in Adien, and more frequently in Hungary. The South Russian Erythrocephala stands very close to the Gorrhami." The speaker submitted for comparison official and Chinese cantharides, and with respect to the latter, mentioned as a curiosity the fact that in a fresh and properly sealed chest a living specimen of the Mylabris cichorei was found, wholly covered with moths, which had already destroyed the greater part of the wing-sheaths. Careful treatment with insect powder delivered the animal from its tormentors, but, nevertheless, it died after a few days. On the Formation of Carbon Bisulphide in Oil of Mustard. A. W. Hoffmann, found that every oil of mustard contains a small quantity of carbon bisulphide, but took no steps to settle the question of how this body originates. P. Birkenwald has now made experiments in order to determine whether the oil of mustard is capable of yielding carbon bisulphide under the influence of the reagents which participate in its formation. It was found that acid sulphate of potash, which is formed as a decomposition product of the myronate of potash, had a decomposing action in aqueous solution at a higher temperature, during which sulphate of allylamin, carbon bi sulphide and carbon mon-oxide were formed. The decomposition of the oil of mustard was not, however, complete, since the greater part of it remained intact, under the conditions of reaction observed. According to other experiments of the author, aqueous vapor of a higher tension, had a decomposing action. When oil of mustard was prepared by distillation of mustard seeds in a current of steam, at ordinary atmospheric pressure, the ...
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