Analytical Reagents, Standards and Tests (Classic Reprint)

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Excerpt from Analytical Reagents, Standards and Tests The tests described in the following pages are not intended to replace entirely the usual qualitative and quantitative tests necessary for the identification and determination of the substances under which they are. Described. They are rather intended to indicate the degree of purity which experience has shown to be necessary, and which may be expected in commerce for chemical reagents used in analysis. For the most part they are limit-reactions - for example, under the conditions described as to concentration, time, temperature, etc., no precipitate or other visible changes take place in the reaction-mixture. 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.