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Document Type

Research

Abstract

The relative turbidity of the permanent colloidal suspensions from the different strata have been measured by means of a specially constructed tyndallmeter. The amount of clay which can be held in water suspension has been found to depend upon the stratum from which the clay was obtained, upon the hydrogen ion concentration, and upon the concentration of the electrolyte present in the suspension. In so far as the work has proceeded, we have found that the turbidity attainable is greater for the oxidized and leached strata than for the gumbotil; furthermore, for any one stratum, the maximum permanent turbidity is greater in the Kansan than in the Nebraskan.

Publication Date

1927

Journal Title

Proceedings of the Iowa Academy of Science

Volume

43

Issue

34

First Page

217

Last Page

218

Copyright

© Copyright 1927 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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