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Excerpt from Journal of the Chemical Society, 1906, Vol. 90: Abstracts of Papers on Organic Chemistry; Part I On heating gradually with a large excess of sulphuric acid, both acids char and evolve carbon dioxide and then sulphur dioxide. 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.
Excerpt from Journal of the Chemical Society, 1906, Vol. 89: Transactions, Part II During the development of a more accurate method (denison and Steele, P/iil. Trans, 1906, 205, A, 449) than that previously adopted for the direct measurement of ionic velocities, we have repeatedly noticed that when certain salts were employed as indicators there was a constant retardation of the margin under observation. It had been previously pointed out (steele, Phil. Trans, 1901, 198, A, 105) that one of the necessary conditions for a constant margin-velocity was that the indicator should not undergo hydrolysis, and a number of cases of retardation referred to above have been traced to the fact that the indicators in question were somewhat hydro lysed. It occurred to us that the retardation might be capable of quantitative measurement, and might serve as a means of determining, at least approximately, the extent of hydrolysis of the indicator. Our anticipations have been more than realised, as we have found the above principle to be capable of development to an accurate method of measuring hydrolysis which can be carried out with considerable rapidity and in solutions of widely varying con centration. 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.
Excerpt from Journal of the Chemical Society, 1906, Vol. 89: Transactions When benzoyl nitrate is carefully and gradually heated to about oxides of nitrogen are rapidly evolved and benzoic anhydride formed in theoretical quantity, but if a small amount is heated with a free flame this decomposition sets in with explosive Violence and the yield of anhydride is much diminished. 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.
Proceedings of the Society are included in v. 1-59, 1879-1937.
Excerpt from Journal of the Chemical Society, 1909, Vol. 95: Transactions; Part II Will also discusses the nature of the decomposition of guncotton, and draws the conclusion that the volatile nitrogenous gases evolved consist for the most part of nitric oxide. 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.
Excerpt from Journal of the Chemical Society, 1907, Vol. 92: Abstracts of Papers on Organic Chemistry; Part I Catalytic Reactions at High Temperatures and Pressures. X. Influence of Pressure. Wladimir N. Ipatieff (j. Russ. Phys. Chem. Soc., 1906, 38, i, 63 - 75. Compare Abstr., 1904, II, -at high pressures, the catalytic decomposition of alcohol with alumina as catalyst is considerably diminished, as Shown 1) by the slowness of the reaction, (2) by its remaining at the first stage, for example, 2etoh Z oet2 1120. The apparatus previously employed has now been SO modified that any quantity of gas can be forced into the reaction tube and its pressure determined, after which the tube can be disconnected from the gas supply and heated. At temperatures above 450° and pressures near to 26 atmos., hydrogen in presence of iron reduces the decomposition products of aldehyde, forming saturated hydrocarbons, but neither carbon dioxide up to 50 nor nitrogen up to 78 atmos. Pressure has any influence on the course of the catalytic decomposition of alcohol. When the experiments were performed in iron tubes, the residual liquid contained undecomposed alcohol, aldehyde, and higher unsaturated hydrocarbons, formed by the polymerisation of ethylene. Ethylene very readily polymerises when heated in a sealed tube at 400 - 450° in the presence of iron or copper, but at very high temperatures much ethane, methane, and hydrogen are also Obtained as by-products. In the presence of an excess of hydrogen more gaseous hydrocarbons, chiefly methane, are obtained. The reaction always tends to an equilibrium, after which further heating no longer produces any change in pressure' or in the proportion of the substances formed. In the presence of reduced nickel as catalyst, ethane and methane are produced. Time and pressure curves are given for the polymerisation of ethylene at various temperatures, from which it is observed that (dp/dt) max, varies considerably between 400° and Z. K. 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.