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Science 17 January 1964:
Vol. 143. no. 3603, pp. 244 - 246
DOI: 10.1126/science.143.3603.244
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Articles

Infrared Study of the OH Groups in Expanded Kaolinite

Robert L. Ledoux 1 and Joe L. White 1

1 Department of Agronomy, Purdue University, Lafayette, Indiana

Expansion of kaolinite with potassium acetate and with hydrazine followed by deuteration, shifts the absorption frequency at 3695 cm-1 to lower values, but does not aflect the intensity of the 3620-cm-1 absorption band. The band at 3695 cm-1 is correlated predominantly to inner-surface hydroxyls with the dipole at right angles to the basal plane and the band at 3620 cm-1 is related to inner hydroxyls with the dipole inclined toward empty octahedral sites.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Modification of kaolinite by controlled hydrothermal deuteration - a DRIFT spectroscopic study.
H. MING (2004)
Clay Minerals 39, 349-362
   Abstract »    Full Text »    PDF »
Mechanism for Intercalation of Kaolinite by Alkali Acetates.
D. L. Smith, M. H. Milford, and J. J. Zuckerman (1966)
Science 153, 741-743
   Abstract »    PDF »
Infrared Absorption of Hydroxyl Groups in Kaolinite.
V. C. Farmer and V. C. Farmer (1964)
Science 145, 1189-1190
   Abstract »    PDF »
Infrared Study of Selective Deuteration of Kaolinite and Halloysite at Room Temperature.
R. Ledoux, R. L. Ledoux, and J. L. White (1964)
Science 145, 47-49
   Abstract »    PDF »


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