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Electrical conductivity of montmorillonite as a function of relative humidity: La-montmorillonite

Published online by Cambridge University Press:  09 July 2018

N. J. García  and
J. C. Bazán
N. J. García*
Affiliation:
Fisicoquímica, Departamento de Química, Universidad Nacional del Sur, Av. Alem 1253, B8000CPB, Bahía Blanca, Argentina
J. C. Bazán
Affiliation:
Fisicoquímica, Departamento de Química, Universidad Nacional del Sur, Av. Alem 1253, B8000CPB, Bahía Blanca, Argentina
*
*E-mail: [email protected]
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Abstract

The conductivity of La-montmorillonite was measured in the domain of water relative pressures (p/p0) of <1, and compared with the conductivites of Li- and Na-montmorillonite. La-montmorillonite shows smaller conductivity over the whole range of p/p0 studied. To explain this, theoretical considerations of the polarizing power and of the local stacking order induced by the exchangeable cation were addressed.

Keywords

conductivitymontmorillonitewater relative pressurelanthanum
Type
Research Article
Information
Clay Minerals , Volume 44 , Issue 1 , March 2009 , pp. 81 - 88
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2009

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