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On the characterization of ceramic clays

Published online by Cambridge University Press:  09 July 2018

W. F. Cole ,
C. J. Lancucki  and
D. A. Powell
W. F. Cole
Affiliation:
Division of Building Research, CSIRO, Melbourne, Australia
C. J. Lancucki
Affiliation:
Division of Building Research, CSIRO, Melbourne, Australia
D. A. Powell
Affiliation:
Division of Building Research, CSIRO, Melbourne, Australia
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Abstract

Ceramic clays are characterized by a method that stems from the IL/MA procedure proposed by Keeling (1958a, b) but which is more rapid to perform and more basic in concept. By thermogravimetric methods an estimate is made of both OH water and interlayer plus physically adsorbed water. These are plotted against each other in a manner similar to the IL/MA plot. The composition of the clay can be characterized uniquely on such a diagram by estimating either the quartz or the free silica contents of a sample, its silt, and < 2μ fraction, and plotting for each on a 100% clay basis their OH water, and interlayer and physically adsorbed water. Simple methods are given for assessing these factors. The determination of interlayer water content could form the basis of a method of plant control of clay composition in a way similar to that proposed by Keeling using moisture adsorption determinations.

Type
Research Article
Information
Clay Minerals , Volume 9 , Issue 1 , July 1971 , pp. 35 - 46
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1971

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References

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