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An overview of chemical reactions is made which in the literature are proposed to be of help in the exploration of the intracrystalline void volume of zeolites and molecular sieves. The potential and limitations of the following conversions are considered in detail: the simultaneous catalytic cracking of hexane and 3-methylpentane (the so-called constraint index) and of longer paraffins; the conversion of xylenes; the n-decane bifunctional conversion; the bifunctional conversion of naphtenes and the disproportionation of ethylbenzene. Also new data are added which illustrate certain aspects of this way of zeolite and molecular sieve characterization.

Exploration of the void size and structure of zeolites and molecular sieves using chemical reactions