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Excerpt from Exercises in Quantitative: Chemical Analysis, With a Short Treatise on Gas Analysis A preliminary edition of this book, as many of my friends are aware, was issued a little over a year ago for the benefit of chiefly my own students. That edition, however, was little more than a reproduction of what had long had currency in my laboratory as a trypographed book. Hence this volume may be introduced as having already been used - and I hope not without success - in a largely-attended teaching laboratory for a series of years. However it may stand with analysis generally, quantitative analysis can be taught only by examples; and in the earlier stages of the course the technicalities of the subject are the principal things to be taught. Hence our exercises on "analytical methods" (section 2) are arranged, not according to any scientific system, but so that, at any given point of his progress, the student has become familiar with as many different operations as could have been learned during the time. To some of my readers the tone of the earlier exercises more especially may savour a little of mechanical drilling. Why tell the student so minutely what he has to do and hinder him from exercising his own ingenuity? Some ten years ago, if a book like the present had been placed before me, I should have asked this question myself. But I have since come to modify my views. The technicalities of quantitative analysis are the very things which the student is not likely to find out by himself. He had better be drilled into doing them correctly. What is the good, for instance, of letting him spoil a series of ammonia determinations by mismanaging his chloro-platinate precipitates? It surely is better to show him quite directly what he has to do; and if it is, why should not the book tell him, and thus save the time of the teacher? No fear of any talented student being spoiled by a course of judicious drilling. 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.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Excerpt from Exercises in Elementary Quantitative Chemical Analysis: For Students of Agriculture Owing to the growing demand for quantitative analytical chemistry by those engaged in the study of agriculture, it seemed to the authors that the presentation of the fundamental methods of agricultural analysis as carried out in the laboratories of the American Experiment Stations would be desirable. While this book is designed primarily as an elementary quantitative guide for the use of agricultural students, it may also be used for the work in general elementary quantitative analysis. This text-book is the outgrowth of several years' experience in teaching quantitative analysis to students specializing in Agriculture, Chemistry, Medicine, and Household Science. No attempt has been made to present a complete treatise on quantitative analysis; but a few typical exercises have been chosen to illustrate the fundamental principles and the most important methods of manipulation. To further the interest in this work, the student should be encouraged to do considerable outside reading, and there should be available for his use a number of the best books of reference. In the Appendix will be found a list of some of the most important works having a bearing on this subject, while throughout the text reference is made to the original literature. The gravimetric exercises and the work outlined under Acidimetry and Alkalimetry, together with the analysis of Milk or Feeding Material and Fertilizer, comprise the work usually accomplished by the agricultural students in one semester. Those students who desire more quantitative analysis complete the remainder of the exercises in another semester. Owing to the importance of the calculation of analytical data, this subject has been treated in considerable detail in Part V (Stoichiometry). The matter presented is arranged to be studied in conjunction with the regular laboratory exercises. In addition to the methods of solving problems, a large number of problems is given for practice. 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 Exercises in Quantitative Chemistry The essential portions of this book have been in use in the authors laboratory for several years in the form of mimeographed notes, which were revised and expanded from time to time until they became too voluminous for further duplication by this process. Hence they have been put in book form for the use of the author's students and of any others who may find them of service. The purpose which the author had in view in preparing the notes was twofold. First, to economize the energy of the student by placing in his hands a working guide sufficiently precise to keep him in the right path during the absence of his teacher, and secondly, to increase the efficiency of the teacher by saving him waste of time and effort in repairing the grosser mistakes of inexperienced students. The book is not intended as a complete guide, even in the matters contained therein. Enough - and probably more than he can do to his satisfaction - has been left for the teacher, from whom the student may justly expect at all times the warning, suggestion, or amplification which will contribute most effectively to his progress and discipline. The problem of a wise choice of exercises for the student of quantitative chemistry is a difficult one. It is much more complex than formerly, when the greater portion of the student's time in the laboratory was devoted, as a matter of course, to analytical chemistry. It was possible then to train expert analysts. At the present time this is not practicable, except at the expense of other work which is everywhere regarded as indispensable. 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 Exercises in Physical Chemistry It may seem questionable whether there is any necessity for a new book on Practical Physical Chemistry, in view of the well-known books of Kohlrausch, Ostwald-Luther, and Wiedemann-Ebert. Nevertheless, my own teaching experience and those of my colleagues have proved to me that these books, though good in themselves, contain either too much, or too little, for the beginner. Consequently in this little book I have tried to provide something for the elementary student who is commencing to study the subject, for that purpose assuming as little previous knowledge as possible. I have tried to connect the training in experimental method with the theoretical conclusions derived from the results, and further to train the student to deduce his results correctly, and to comprehend the inner relationships between the data obtained from entirely different experiments. This explains the reason that certain standard substances (as sodium chloride, silver nitrate, silver chloride, chloroform, and benzene) are suggested for use in exercises on quite independent work. I have laid special stress on the practical application of physical-chemical methods in quantitative analysis, and in the determination of the constitution of compounds. I have, however, not treated of electrolysis and spectrum analysis, since the student is supposed to be acquainted with these subjects from the course of analytical chemistry. The book is in great part based on the Kleine Practikum of physical chemistry, which was arranged by Professor Nernst, in Gottingen and Berlin Universities, and which I had to conduct in Berlin. 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 Exercises in Chemical Calculation IN common with many other teachers of chemistry, the compilers of this volume believe that the working of suitable numerical examples is the best aid to the under standing of the quantitative aspect of chemical phenomena. The ideal calculations are those made by the student from his own experimental data, but it is necessary for him to use the figures of other workers and the data of ex periments which he himself cannot perform. For this reason the following set of numerical examples has been compiled. It is drawn from recent examination papers and from various original sources. A number of the examples available in examination papers have been rejected because they had no conceivable relation to possible experimental conditions, and were therefore misleading. In most of the chapters a concise explanatory statement precedes the questions for'solution. It is not intended that this should take the place of wider reading and study, but rather that it should indicate the portions of the text-book relevant to the particular subject under discussion, and provide a brief summary of what should be found there. It is believed, however, that the matter is put in its correct order, that it is in accord with present-day knowledge, and that certain of the beginner's difficulties are explained more clearly than is often the case. Dogmatic' rules for obtaining an answer have, it is hoped been avoided. 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 Exercises in Qualitative Chemistry, Chiefly Inorganic I am glad to take this occasion to express my grati tude to my friends; to Professor Samuel Avery, of the University of Idaho, for valuable suggestions regard ing the compilation of the book to Mr. R. S. Hiltner, who was so kind as to review the proof; and to Miss A. M. Quaintance, who kindly assisted in the prepara tion of the subject-matter. 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 A Text-Book of Quantitative Chemical Analysis This book is intended primarily for University and College students, and in planning it we have not overlooked the fact that those who study Chemistry as a subsidiary subject usually devote so short a time to it that it is impossible for them to cover any comprehensive course, and that, even when Chemistry is one of the main subjects of study, the student, as a rule, has a strictly limited time for laboratory work. We have endeavoured, therefore, to arrange the book in such a manner that some knowledge of the principles of Quantitative Analysis may be acquired by a practical study of the subjects included in Parts I., II., and III., and that the further requirements of those who are making a special study of Chemistry should be met by the later portions of the book. Volumetric Analysis is dealt with in Part II. Before Gravi metric Analysis, partly because the manipulation is easier, and partly because the exercises in Volumetric Analysis present a greater variety than those in simple Gravimetric Analysis. The educative value of volumetric methods is probably greater than that of any other branch of analysis, and we are of opinion that a student should receive a thorough training in Volumetric Analysis' even if the time remaining at his disposal permits of little or no gravimetric work. 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.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.