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Dehydration and Rehydration Studies of Clay Minerals by Infrared Absorption Spectra

Published online by Cambridge University Press:  01 January 2024

J. M. Serratosa
J. M. Serratosa*
Affiliation:
Instituto de Edafología, C.S.I.C. Madrid, Spain
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Abstract

The processes of dehydration and rehydration of montmorillonite and nontronite samples have been studied through infrared absorption spectra.

The changes observed in the intensity of the bands during dehydration show the analogy between absorption at 915 cm-1 (montmorillonite) and at 820 cm-1 (nontronite), their origin being a deformation vibration of OH groups.

During rehydration of the montmorillonite sample, the recovered OH groups occur in two different forms, in accordance with the results of differential thermal analysis.

Type
General Session
Information
Clays and Clay Minerals (National Conference on Clays and Clay Minerals) , Volume 9 , February 1960 , pp. 412 - 418
Copyright
Copyright © The Clay Minerals Society 1960

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Footnotes

Experimental work conducted while on leave at the Illinois State Geological Survey, Urbana, Illinois.

References

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