LOW-TEMPLATE CLATHRASIL

摘要

Merck Patent Gesellschaft mit beschr?nkter Haftung D-6100 Darmstadt The invention relates to a process for the preparation of a low-template clathrasil, characterised in that an alkaline aqueous silicate-containing medium comprising crystallisation seeds and such a small amount of template, some of which or all of which may be present in the crystallisation seeds, that the template content of the clathrasil, relative to the number of moles of SiO2 of the medium, is less than 2 mol%, is heat-treated.