Zeolitic Heteropoly Oxometalates
The definition of zeolite has evolved from that of J.V. Smith1 in 1963 “an aluminosilicate framework structure enclosing cavities occupied by large ions and water molecules, both of which have considerable freedom of movement, permitting ion exchange and reversible dehydration” to encompass microporous aluminophosphates in 1980 and “nous ne savons quoi” by the year 2000. As Galen Stucky has prophesized in his Preface to Intrazeolite Chemistry1 it is probable that zeolites with compositions from many of the elements of the Periodic Table will soon be reported.
KeywordsSorption Capacity Nitrogen Adsorption Isotherm Parent Acid Monovalent Salt Broad Pore Size Distribution
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- 1.G. D. Stucky in the Preface to “Intrazeolite Chemistry”, G. D. Stucky and F. G. Dwyer, eds. American Chemical Society, Washington (1983).Google Scholar
- 2.M. T. Pope in “Heteropoly and Isopoly Oxometalates”, Springer, Berlin (1973).Google Scholar
- 17.A. G. Ashton, S. A. I. Barri, S. Cartlidge and J. Dwyer in “Chemical Reactions in Organic and Inorganic Constrained Systems”, R. Setton, ed., Reidel, Amsterdam (1986).Google Scholar