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Ion Pair Activities in Bentonite Suspensions

Published online by Cambridge University Press:  01 January 2024

Lannes E. Davis
Lannes E. Davis*
Affiliation:
University of California, USA
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Abstract

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The thermodynamic activities of ion pairs were measured electrometrically in a series of aqueous mixtures of monoionic bentonite and the corresponding chlorides. Ion exchange membranes and Ag-AgCl electrodes were used. The lyotropic order for the various cation species varied somewhat for two different preparations. The apparent relative escaping tendencies of the various cations did not correspond to that usually assumed on the basis of related phenomena: ion exchange selectivity, electromigration velocities, flocculation values or rates, etc.

Type
Article
Information
Clays and Clay Minerals (National Conference on Clays and Clay Minerals) , Volume 3 , February 1954 , pp. 290 - 295
Copyright
Copyright © The Clay Minerals Society 1954

References

Marshall, C. E. (1941) The electrochemical properties of mineral membranes: Jour. Amer. Chem. Soc., vol. 63, pp. 1911–1916.CrossRefGoogle Scholar
Sollner, K. (1950) Recent advances in the electrochemistry of membranes of high ionic selectivity: Jour. Electrochem. Soc., vol. 97, pp. 139C-151C.CrossRefGoogle Scholar