Synthesis of pure polymorph C of Beta zeolite in a fluoride-free system
- 18 July 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 16,p. 1486-1487
- https://doi.org/10.1039/b104114m
Abstract
Pure polymorph C (denoted ITQ-17) resulting from the intergrowth of zeolite Beta has been synthesized in the presence of Ge from a fluoride-free synthesis mixture; this shows that fluoride is not necessary to obtain structures containing D4MR units that were believed to be stabilised by fluoride; on the other hand, the presence of Ge directs the synthesis towards the formation of pure polymorph C.Keywords
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