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Change of b-Dimension with Swelling of Montmorillonite

Published online by Cambridge University Press:  01 July 2024

Israela Ravina  and
Philip F. Low
Israela Ravina
Affiliation:
Faculty of Agricultural Engineering, Technion-Israel Institute of Technology, Haifa, Israel
Philip F. Low
Affiliation:
Department of Agronomy, Purdue University, Lafayette, Indiana 47907, U.S.A.
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Abstract

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The effect of swelling on the b-dimension of Na-saturated, Upton, Wyoming montmorillonite was re-examined using powdered silicon as an internal standard. After being corrected with reference to the internal standard, the b-dimension did not increase through the entire range of swelling as reported previously. It increased up to a water content of ~3.0g/g montmorillonite and remained constant thereafter. However, the diffraction peak of the internal standard shifted towards lower angles at higher water contents. This shift was attributed to a relaxation of the wetter samples away from the knife edge of the diffractometer. Presumably, a similar relaxation occurred in the earlier study and was responsible for the apparent increase in b-dimension at water contents above ~3.0g/g.

The b-dimension of Upton montmorillonite saturated with different cations was determined using powdered silicon and a colloidal quartz impurity as internal standards. The water content at maximal swelling decreased as the b-dimension increased.

Type
Research Article
Information
Clays and Clay Minerals , Volume 25 , Issue 3 , June 1977 , pp. 201 - 204
Copyright
Copyright © Clay Minerals Society 1977

References

Davidtz, J. C. and Low, P. F. (1970) Relation between crystal-lattice configuration and swelling of montmorillonites: Clays and Clay Minerals 18, 325–332.CrossRefGoogle Scholar
Falconer, J. G. and Mattson, S. (1933) The laws of soil colloidal behavior: XIII. Osmotic imbibition: Soil Sci. 36, 317–327.CrossRefGoogle Scholar
Lahav, N. and Bresler, E. (1973) Exchangeable cation-structural parameter relationships in montmorillonite: Clays and Clay Minerals 21, 249–255.CrossRefGoogle Scholar
Leonard, R. A. and Weed, S. B. (1967) Influence of exchange ions on the b-dimensions of dioctahedral vermiculite: Clays and Clay Minerals 15, 149–161.CrossRefGoogle Scholar
Lerot, L. and Low, P. F. (1976) Effect of swelling on the infrared absorption spectrum of montmorillonite: Clays and Clay Minerals 24, 191–199.CrossRefGoogle Scholar
Low, P. F., Ravina, I. and White, J. L. (1970) Changes in b-dimension of Na-montmorillonite with interlayer swelling: Nature 226, 445–446.CrossRefGoogle ScholarPubMed
Norrish, K. (1954) The swelling of montmorillonite: Faraday Soc. Discussion No. 18, pp. 120–134.Google Scholar
Ravina, I. and Low, P. F. (1972) Relation between swelling, water properties and b-dimension in montmorillonite–water systems: Clays and Clay Minerals 20, 109–123.CrossRefGoogle Scholar
Radoslovich, E. W. and Norrish, K. (1962) The cell dimensions and symmetry of layer-lattice silicates. I. Some structural considerations: Amer. Mineral. 47, 599–616.Google Scholar
Stillwell, C. W. (1938) Crystal Chemistry: McGraw-Hill, New York.Google Scholar
Winterkorn, H. and Baver, L. D. (1934) Sorption of liquids by soil colloids: I. Liquid intake and swelling by soil colloidal materials: Soil Sci. 38, 291–298.CrossRefGoogle Scholar