Qualitative Analysis for Secondary Schools (Classic Reprint)
| Preis: | 16.95 EUR* (inkl. MWST zzgl. Versand - Preis kann jetzt höher sein!) |
| Versand: | 0.00 EUR Versandkostenfrei innerhalb von Deutschland |
| Partner: | buecher.de |
| Hersteller: | Forgotten Books (Irish, Cyrus Wendell) |
| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from Qualitative Analysis for Secondary Schools Many teachers of chemistry in attempting to furnish, a satisfactory course in Qualitative Analysis for secondary schools have been confronted by the lack of a text-book sufficiently simple, and at the same time sufficiently complete for their purpose. The many excellent text-books on Qualitative Analysis already published have been specially adapted to the needs of the more mature college student. This work, therefore, has been made as simple as possible, while providing a course of study adequate for secondary schools. Methods of basic analysis in the presence of phosphates and oxalates have been omitted. The separation of the members of the iron group has been greatly shortened and simplified by the introduction of hydrogen peroxide to oxidize the chromium to the acid state. Obscure and complicated reactions have been omitted. The first half of a one year´s course in chemistry should be devoted to a general introduction to the theory of the science, and to a close study of the most common nonmetallic radicals. The second half year should deal with the basic radicals and should be combined with the study of Qualitative Analysis. If descriptive chemistry of the basic radicals is studied by laboratory methods, the metals must be submitted to their more important reactions. These reactions, well studied, equip the student for intelligent work in qualitative separation of the metals. The subject presented in this way always holds the interest of the student to the end, and the stimulus for the work is always found in the fascination of the subject. Such a course as here outlined gives the best possible training in inductive reasoning, and adds as much to the general information of the student as any science taught in secondary schools. The large number of suggestive questions are divided into two classes, one to bring out the conclusions drawn from the experiments, the other to call attention to the metals dealt with, and to their more important compounds. 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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