Properties of the Colloidal Soil-Material (Classic Reprint)

Download or read book Properties of the Colloidal Soil-Material (Classic Reprint) written by Myron Sallee Anderson and published by Forgotten Books. This book was released on 2017-10-28 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Properties of the Colloidal Soil-Material The colloidal materials from seven soils were examined by the method of Siedentopf and Zsigmondy. The suspensions directly from the centrifuge were diluted with optically pure water in such proportions that in the final dilution an average of one to three particles were visible in the field at one time. The blank count of the water averaged 0. 035 of a particle. In order to promote dispersion and to prevent as far as possible the aggregation of primary parti cles, ammonia was added ln each case to1 n/2oo. The particles were observed with an ultramicroscope of the Siedentopf -zsigmondy type, which was provided by the microchemical division, Bureau of Chemistry. 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.