Abstract
IN a study of the reaction of molten salts with layer-lattice silicates, it has been found that treatment of muscovite less than 5 µ. equivalent spherical diameter in size with molten lithium nitrate removes a large portion of the potassium from the mica, and lithium is fixed in a not readily exchangeable manner. When saturated with barium and glycerol-solvated, the material gives a 001 spacing of 17.8 A., the basal spacing for glyeerol montmorillonoids. The intensity of the 17.8 A. line with respect to the 10 A. mica line varies with the muscovite/lithium nitrate ratio and the length of treatment. The muscovite was obtained by fractionation of delamica, a finely divided muscovite separated from Cornish china clay and containing a small amount of kaolinite.
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References
Hofmann, U., and Klemen, R., Z. anorg. Chem., 262, 95 (1950).
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WHITE, J. Reactions of Molten Salts with Layer-Lattice Silicates. Nature 174, 799–800 (1954). https://doi.org/10.1038/174799a0
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DOI: https://doi.org/10.1038/174799a0
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