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Pure Polymorph C of Zeolite Beta Synthesized by Using Framework Isomorphous Substitution as a Structure‐Directing Mechanism

Pure Polymorph C of Zeolite Beta Synthesized by Using Framework Isomorphous Substitution as a... Subsitution of germanium for silicon in the preparation of the zeolite Beta allows the synthesis and characterization of a third, heretofore predicted, polymorph “C”; a (001) view is shown in the picture. Germanium preferentially occupies positions in double four‐membered ring cages, the secondary building units of polymorph C, and favors the formation of polymorph C regardless of which of the eight organic structure‐directing agents were used. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Angewandte Chemie International Edition Wiley

Pure Polymorph C of Zeolite Beta Synthesized by Using Framework Isomorphous Substitution as a Structure‐Directing Mechanism

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References (16)

Publisher
Wiley
Copyright
Copyright © 2001 Wiley Subscription Services
ISSN
1433-7851
eISSN
1521-3773
DOI
10.1002/1521-3773(20010618)40:12<2277::AID-ANIE2277>3.0.CO;2-O
Publisher site
See Article on Publisher Site

Abstract

Subsitution of germanium for silicon in the preparation of the zeolite Beta allows the synthesis and characterization of a third, heretofore predicted, polymorph “C”; a (001) view is shown in the picture. Germanium preferentially occupies positions in double four‐membered ring cages, the secondary building units of polymorph C, and favors the formation of polymorph C regardless of which of the eight organic structure‐directing agents were used.

Journal

Angewandte Chemie International EditionWiley

Published: Jan 18, 2001

Keywords: ; ;

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