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Author: James Riddick Partington Publisher: Courier Corporation ISBN: 0486659771 Category : Science Languages : en Pages : 450
Book Description
This classic exposition explores the origins of chemistry, alchemy, early medical chemistry, nature of atmosphere, theory of valency, laws and structure of atomic theory, and much more.
Author: James Riddick Partington Publisher: Courier Corporation ISBN: 0486659771 Category : Science Languages : en Pages : 450
Book Description
This classic exposition explores the origins of chemistry, alchemy, early medical chemistry, nature of atmosphere, theory of valency, laws and structure of atomic theory, and much more.
Author: Isaac Asimov Publisher: Praeger ISBN: Category : Science Languages : en Pages : 288
Book Description
From the use of metals by prehistoric man to the alchemical experiments of medieval and renaissance man to the complex chemical skills of contemporary man, Asimov traces the development of this building block of our technological world.
Author: Francis Preston Venable Publisher: Theclassics.Us ISBN: 9781230337982 Category : Languages : en Pages : 50
Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ... chemistry the experiment stations and laboratories established now by the governments of every civilized country. So great a number of trained scientific workers, whose entire time can be given to experiments and to researches, must bring about a great increase of knowledge in this very difficult field of work. PHYSIOLOGICAL CHEMISTRY. The study, from a chemical standpoint, of the substances and processes in the animal body presents even greater difficulties and complexities than the similar study of plants. These two lines of study have been in a measure mutually helpful. At first the same chemists were often engaged in both, as de Saussure, Chevreul, Liebig, and others. They have now become very distinct and separate fields of research. The Problems to be solved In order to lay a foundation for physiological chemistry, it has been necessary first to have some knowledge of the multitudinous substances occurring in animal bodies, and, if possible, to learn the conditions under which these different bodies were formed. Several stumblingblocks present themselves here. The delicacy and instability of many of these compounds, the possibility that their extraction from the living organism or the killing of the organism might cause radical changes in them, and the extreme complexity and probable size of the molecules, which render it difficult to decide between the several possible formulas derived by analyses, are among the problems to be faced. Because of the last-mentioned difficulty some of the most important substances occurring in animals have still no certain formula assigned them. Furthermore, there have, of course, been serious difficulties in the way of separation and purification. Condition of the Science.--It is therefore not...
Author: Francis Preston Venable Publisher: Scholar's Choice ISBN: 9781297237003 Category : Languages : en Pages : 174
Book Description
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.
Author: James Riddick Partington
Author: James Riddick Partington
Author: Isaac Asimov
Author: William Hodson Brock
Author: James Riddick Partington
Author: Francis Preston Venable
Author: Francis Preston Venable
Author: Isaac Asimov
Author: Francis Preston Venable
Author: Isaac Asimov
Author: Francis Preston Venable