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Science 3 July 1964:
Vol. 145. no. 3627, pp. 47 - 49
DOI: 10.1126/science.145.3627.47
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Articles

Infrared Study of Selective Deuteration of Kaolinite and Halloysite at Room Temperature

Robert L. Ledoux 1 and Joe L. White 2

1 Department of Geology, Université Laval, Quebec, Canada
2 Department of Agronomy, Purdue University, Lafayette, Indiana

Deuteration of expanded hydrazine-kaolinite complex at room temperature shifts the infrared stretching frequencies of the inner-surface hydroxyls from 3695, 3670, and 3650 cm-1 to 2725, 2710, and 2698 cm-1, respectively, and the inner hydroxyls absorbing at 3620 cm-1 to 2675 cm-1. The OH-OD exchange for the inner-surface hydroxyls varies from 60 to 67 percent, whereas it is only 22 percent for the inner hydroxyls.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Halloysite clay minerals -- a review.
E. JOUSSEIN, S. PETIT, J. CHURCHMAN, B. THENG, D. RIGHI, and B. DELVAUX (2005)
Clay Minerals 40, 383-426
   Abstract »    Full Text »    PDF »
Modification of kaolinite by controlled hydrothermal deuteration - a DRIFT spectroscopic study.
H. MING (2004)
Clay Minerals 39, 349-362
   Abstract »    Full Text »    PDF »
IN SITU CHARACTERIZATION AND DIFFERENTIATION OF KAOLINITES IN LATERITIC WEATHERING PROFILES USING INFRARED MICROSPECTROSCOPY.
A. Beauvais, A. Beauvais, and J. Bertaux (2002)
Clays and Clay Minerals 50, 314-330
   Abstract »    Full Text »    PDF »
INFLUENCE OF SYNTHESIS pH ON KAOLINITE "CRYSTALLINITY" AND SURFACE PROPERTIES.
C.-I. Fialips, C.-I. Fialips, S. Petit, A. Decarreau, and D. Beaufort (2000)
Clays and Clay Minerals 48, 173-184
   Abstract »    Full Text »    PDF »
Infrared Absorption of Hydroxyl Groups in Kaolinite.
V. C. Farmer and V. C. Farmer (1964)
Science 145, 1189-1190
   Abstract »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)