The Use of Coal Tar Colors in Food Products
Author | : Hugo Lieber |
Publisher | : |
Total Pages | : 160 |
Release | : 1904 |
Genre | : Coal-tar colors |
ISBN | : |
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Author | : Hugo Lieber |
Publisher | : |
Total Pages | : 160 |
Release | : 1904 |
Genre | : Coal-tar colors |
ISBN | : |
Author | : Bernhard Conrad Hesse |
Publisher | : Hardpress Publishing |
Total Pages | : 236 |
Release | : 2012-08-01 |
Genre | : |
ISBN | : 9781290546348 |
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
Author | : Hugo Lieber |
Publisher | : |
Total Pages | : 160 |
Release | : 2015-08-05 |
Genre | : Science |
ISBN | : 9781332208586 |
Excerpt from The Use of Coal Tar Colors in Food Products The Use of Coal Tar Colors in Food Products was written by Hugo Lieber in 1904. This is a 150 page book, containing 30105 words and 11 pictures. Search Inside is enabled for this title. 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 | : Bernhard Conrad Hesse |
Publisher | : |
Total Pages | : 230 |
Release | : 1912 |
Genre | : Coal-tar |
ISBN | : |
Author | : United States Department Of Agriculture |
Publisher | : Forgotten Books |
Total Pages | : 20 |
Release | : 2017-11-18 |
Genre | : |
ISBN | : 9780331384246 |
Excerpt from Certification of Coal-Tar Food Colors Upon receipt of the sample and properly executed affidavits and agreement by the Bureau of Chemistry, the sample is examined chemically if the foundation affidavit indicates that the dye is of proper identity and fiurity. If the results obtained substantiate the claimed identity of t e dye and its com lianc'e with the standards of purity, a certificate assi ning a lot num er to the batch is'issued by the bureau to the manu acturer. If the bureau's examination shows that the product does not conform to the requirements for certifica tion, the batch is rejected for use in foods. The chemical examina tion and the certification or rejection of the batch usually take approximately two weeks. 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 | : Bernhard C. Hesse |
Publisher | : |
Total Pages | : 228 |
Release | : 1912 |
Genre | : |
ISBN | : |
Author | : Bernhard Conrad B. 1869 Hesse |
Publisher | : Wentworth Press |
Total Pages | : 234 |
Release | : 2016-08-25 |
Genre | : History |
ISBN | : 9781361391006 |
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 | : L. G. Beers |
Publisher | : |
Total Pages | : 158 |
Release | : 1909 |
Genre | : |
ISBN | : |
Author | : Bernhard Conrad Hesse |
Publisher | : Wentworth Press |
Total Pages | : 238 |
Release | : 2016-08-25 |
Genre | : History |
ISBN | : 9781361390696 |
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 | : Irving Wetherbee Fay Ph; D. Berlin |
Publisher | : |
Total Pages | : 514 |
Release | : 2015-06-30 |
Genre | : Science |
ISBN | : 9781330512999 |
Excerpt from The Chemistry of the Coal-Tar Dyes This book is Intended for those students and dyers who have a good knowledge of general chemistry, and some knowledge of organic chemistry. The object is to present, briefly, the origin and history of coat-tar production, and a discussion of the intermediate products between the coal-tar and the dyes themselves. The methods of making the dyes are taken up, followed by a study of the relations of the great classes of dyes, and also the individual dyes themselves, to one another in the same class. The development of one color from another by a change in its composition is explained, and tables showing the variation of color accompanying change of composition are included. The proof of constitution is in many places given in such detail as to allow the student to comprehend the bases for the structure of the complex molecules of the dyes. The significance of the chromophors and chromogens in the different classes of dyes is discussed. The use of mordants and the character of the union between the dyes and animal and vegetable fibres are also included. A few manufacturing processes are introduced here and there in detail, to give clear conceptions of this phase of the subject. Some practical experience to assist in comprehending the theory of the subject is made possible by a course of experiments, the performance of which aids in vivifying this difficult and interesting subject. It is hoped that this feature of the work will produce a more tangible result than could otherwise be possible. 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.