A Detailed Course of Qualitative Chemical Analysis of Inorganic Substances
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| Partner: | buecher.de |
| Hersteller: | Forgotten Books (Noyes, Arthur Amos) |
| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from A Detailed Course of Qualitative Chemical Analysis of Inorganic Substances: With Explanatory Notes Some explanation of the origin and purpose of the present work is necessary. It arose out of the difficulty experienced in attempting to give a thorough course of qualitative analysis in limited time to large classes of students. The smaller text-books on the subject are too elementary in character to use in connection with such a course; they devote too little attention to the precautions to be observed to insure delicacy of the reactions, to the difficulties encountered by the student in actual work, and to the modifications of the process required in special cases. On the other hand, the manual of Fresenius, though complete and very valuable as a work of reference, is confusing to beginners on account of the complexity of its arrangement and insufficient explanation of the purposes of the various operations. The attempt has been made in the following pages to present an almost equally thorough scheme of qualitative analysis in a more concise and readily intelligible form. The process of analysis here given was based originally on that of Fresenius, but it has undergone a number of important modifications suggested by experience with it in the laboratory. Among these may be specially mentioned the directions for the preparation of the substance for analysis and those for testing for acids, which have been made as distinct and definite as possible; for it is with these two parts of the process that the greatest difficulty is usually experienced. 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.
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