Fractional Distillation
Author | : Sydney Young |
Publisher | : |
Total Pages | : 300 |
Release | : 1903 |
Genre | : Distillation, Fractional |
ISBN | : |
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Author | : Sydney Young |
Publisher | : |
Total Pages | : 300 |
Release | : 1903 |
Genre | : Distillation, Fractional |
ISBN | : |
Author | : Clark Shove Robinson |
Publisher | : |
Total Pages | : 224 |
Release | : 1922 |
Genre | : Distillation |
ISBN | : |
Author | : Maurice Bacon Cooke |
Publisher | : |
Total Pages | : 58 |
Release | : 1928 |
Genre | : Distillation, Fractional |
ISBN | : |
Author | : Thomas P. Carney |
Publisher | : |
Total Pages | : 280 |
Release | : 1949 |
Genre | : Science |
ISBN | : |
Author | : Clark Shove Robinson |
Publisher | : |
Total Pages | : 520 |
Release | : 1950 |
Genre | : Distillation, Fractional |
ISBN | : |
Author | : Sydney Young |
Publisher | : |
Total Pages | : 300 |
Release | : 2015-07-21 |
Genre | : Science |
ISBN | : 9781331952459 |
Excerpt from Fractional Distillation During the past eighteen years I have been engaged in investigations which necessitated the preparation of chemical materials in the purest possible state, and as the great majority of these substances were liquids, the process of fractional distillation had, in most cases, to be resorted to for their purification. The difficulties I met with in some of the separations led me to make a careful investigation of the whole subject, and I was thus enabled to devise some new methods and forms of apparatus which have been described from time to time in various scientific journals. It is in the hope that the solution of the difficulties which so often occur in carrying out a fractional distillation may be rendered easier, and that the value and economy of highly efficient still-heads in laboratory work may come to be more widely recognised than is generally the case at present, that this book has been written. 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.
Author | : SYDNEY. YOUNG |
Publisher | : |
Total Pages | : 0 |
Release | : 2018 |
Genre | : |
ISBN | : 9781033439623 |
Author | : Clark Shove Robinson |
Publisher | : Rarebooksclub.com |
Total Pages | : 52 |
Release | : 2013-09 |
Genre | : |
ISBN | : 9781230094823 |
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. 1922 edition. Excerpt: ...the more volatile component than the liquid with which it mixes, thereby increasing the proportion of volatile component on the top plate. Continuing, as the composition of the liquid on the top plate increases in the more volatile component, the effect will be felt on the plate below, and after the distillate from the condenser has been returned to the column for a considerable length of time, the effect will be that all of the plates in the upper portion of the column will contain substantially nothing but the more volatile component. When this condition has been reached, if the valve leading from the condenser to the receiver for distillate is then opened, the first portion of vapor which comes over will be that liquid which has collected on the plates in the upper portion of the column and will, therefore, be practically pure component. When the contents of the column have distilled over in this manner, there will be a sudden break in the composition of the distillate and when this break occurs, the fraction is shifted and a small intermediate fraction is then recovered in a separate distillate receiving tank. If this method of complete reflux of the distillate were not practiced, the amount of intermediate fraction between any two pure fractions would be very greatly increased. In the same way, when the benzene has been nearly all distilled over, it is possible to obtain a sharp cut between the benzene and the toluene fractions by refluxing completley for a certain length of time. There will be, of course, a small intermediate fraction consisting of a mixture of benzene and toluene and this intermediate fraction must be returned and mixed with the next charge which is put into the kettle and redistilled. The net capacity of any...
Author | : Clark Shove Robinson |
Publisher | : |
Total Pages | : 267 |
Release | : 1942 |
Genre | : |
ISBN | : |
Author | : Sydney Young |
Publisher | : Andesite Press |
Total Pages | : 304 |
Release | : 2015-08-13 |
Genre | : |
ISBN | : 9781297859618 |
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.