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Bog, hæftet American Chemical Journal, 1892, Vol. 14 (Classic Reprint) af Ira Remsen

American Chemical Journal, 1892, Vol. 14 (Classic Reprint)

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Excerpt from American Chemical Journal, 1892, Vol. 14

During the course of an extended investigation on uraninite' it was often necessary to decompose the mineral in sealed tubes with sulphuric acid. At first a deposit was generally observed on removing the tubes from the ove... Læs mere

Excerpt from American Chemical Journal, 1892, Vol. 14

During the course of an extended investigation on uraninite' it was often necessary to ... Læs mere

Produktdetaljer:

Sprog:
Engelsk
ISBN-13:
9781334330650
Sideantal:
722
Udgivet:
01-11-2016
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Excerpt from American Chemical Journal, 1892, Vol. 14

During the course of an extended investigation on uraninite' it was often necessary to decompose the mineral in sealed tubes with sulphuric acid. At first a deposit was generally observed on removing the tubes from the oven, the character of which depended on the concentration of the acid and the presence or absence ofthoria in the mineral. In the absence of this earth it took the form of a greenish powder with a strong acid, and of bright green, brilliantly re¿ecting crystals when a weak acid was used, unless the ratio of liquid to mineral was sufficiently high in the latter case to prevent crystallisation. As might naturally be supposed, these crystals were hydrated uranous sulphate. The best results as regards size of crystals were obtained with an acid containing one part of sulphuric acid to five or six of water by volume. With about 100 parts by weight of such an acid to one of the oxide U02, it might pretty confidently be expected that no crystallisation would take place.

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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.

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