Excerpt from Changes in Provisional Methods for the Analysis of Foods and Additions Thereto: From 1902 to 1905
The methods for the examination of foods, with special reference to the detection of adulteration, submitted at the meeting of the Associa tion of Official Agricultural Chemists in 1901, were adopted provision ally and printed as Bulletin 65 of the Bureau of Chemistry. When these methods were adopted it was expected that they would be greatly amplified and changed as a result of subsequent study. Many of the methods appearing in Bulletin 65 had been carefully worked out by the association, but only a few of them were tested by collabora tive work, and in many cases the methods that seemed to be best adapted for making certain determinations were adopted provisionally without detailed investigation by the association. It is seen, therefore, that the methods in Bulletin 65 were adopted as a working basis, and probably conditions would have been simplified if these methods had first been adopted as tentative rather than as provisional.
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Excerpt from Changes in Provisional Methods for the Analysis of Foods and Additions Thereto: From 1902 to 1905
The method for precipitation by bromin alone and by bromin in the filtrate from zinc sulphate was discontinued.
This action eliminates from the methods the following paragraphs in Bulletin 65: Page 11, (e) Determination of proteoses, peptones, and gelatin, (1) First method; page 18, (e) Determination of proteoses, peptones, and gelatin; and page 19, (g) Determination of peptones.
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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Anzahl: 15 verfügbar