Determination of Aluminum as Oxide (Classic Reprint)

Bücher

Angebote / Angebote:

Excerpt from Determination of Aluminum as Oxide While numerous authors recommend the customary method of using an indicator such as litmus paper to detect roughly the presence of an excess of ammonia, few, if any, have suggested the accurate definition of the desired alkalinity by means of suitable indicators. Hinrichsen used rosolic acid in a study of the e¿'ect of ¿uorine 4 upon the precipitation of aluminium hydroxide by ammonia, but gives no experimental or theoretical basis for its selection. Numerous authors, in efforts to develop methods for the volumetric determination of aluminium, or for testing the neutrality of aluminium salts, have used various indicators for determining the beginning and completion of the precipitation of aluminium hydroxide, but few, if any, have shown that complete precipitation actually occurs at the color change selected. 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.