Abstract
THE loss of water of constitution from kaolinite with increasing temperature under atmospheric pressure is illustrated in Fig. 1. This loss is very low, up to about 450° C., where it increases very rapidly. The infra-red spectrum of an unheated sample shows a hydroxyl vibration band about equally divided into three transmission minima the frequencies of which are located respectively at 3,700 cm.−1, 3,663 cm.−1 and 3,627 cm.−1.
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References
Stübicǎn, V., Min. Mag., 32, 38 (1959).
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FRIPIAT, J., TOUSSAINT, F. Predehydroxylation State of Kaolinite. Nature 186, 627–628 (1960). https://doi.org/10.1038/186627b0
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DOI: https://doi.org/10.1038/186627b0
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