Abstract
SYNTHETIC zeolites1, especially those with the same structure as natural faujasite, have recently come into prominence as industrial catalysts. Pickert, Rabo, Dempsey, Schomaker and references2 have convincingly demonstrated the importance of the positions of the exchangeable cations which compensate for the effective negative charge of aluminium atoms in the aluminosilicate framework. ‘Linde’ 13X normally has Na+ in all the cation positions. Very little attention has been given to the effect of dehydration qf the zeolites on the position of the cations, or the position of individual ions when more than one type of cation is present.
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Breck, D. W., J. Chem. Educ., 41, 678 (1964). Broussard, L., and Shoemaker, D. P., J. Amer. Chem. Soc., 82, 1041 (1960).
Pickert, P. E., Rabo, J. A., Dempsey, E., and Schomaker, V., Proc. Third Intern. Cong. Catalysis, Amsterdam 1964 (North Holland Publishing Co., Amsterdam).
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BARRY, T., LAY, L. Cation Sites in Synthetic Zeolites. Nature 208, 1312 (1965). https://doi.org/10.1038/2081312a0
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DOI: https://doi.org/10.1038/2081312a0
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