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Disorder induced by de-intercalation of DMSO from kaolinite

Published online by Cambridge University Press:  09 July 2018

L. Heller-Kallai ,
E. Huard  and
R. Prost
L. Heller-Kallai
Affiliation:
Institute of Earth Sciences, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
E. Huard
Affiliation:
Station de Science du Sol, INRA, Route de Saint Cyr, 78026 Versailles Cedex, France
R. Prost
Affiliation:
Station de Science du Sol, INRA, Route de Saint Cyr, 78026 Versailles Cedex, France
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Abstract

De-intercalation of DMSO from well-crystallised kaolinites induced disorder. SEM, XRD and low-temperature IR were used to probe changes in morphology, layer stacking, and the environment of OH groups, respectively. The degree and type of disorder depended on the starting material and on the method of removing the intercalate. Rapid removal by heating at 250°C caused smaller changes than more prolonged heating at lower temperature, or washing with water.

Type
Research Article
Information
Clay Minerals , Volume 26 , Issue 2 , June 1991 , pp. 245 - 253
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1991

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