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Synthetischer „Faujasit”︁. I. Eigenschaften und Ionenaustauschcharakter
Author(s) -
Barrer R. M.,
Buser W.,
Grütter W. F.
Publication year - 1956
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19560390224
Subject(s) - chemistry , faujasite , aluminosilicate , zeolite , ion , ion exchange , crystallography , inorganic chemistry , organic chemistry , catalysis
An investigation has been made of some properties of faujasite‐like crystals. This rare zeolite has cubic symmetry and is based upon a remarkably open but sturdy aluminosilicate framework. From the compositions of natural and synthetic crystals it appears that, isomorphous replacements of the type Na + Al +++ → Si ++++ are possible. In addition replacements by ion exchange were readily effected involving the ions Na + , K + , TI + , Ag + , Mg ++ , Ca ++ , Sr ++ , Ba ++ , Co ++ , and Ni ++ , and the ions NH 4 + , NH3Et +34 , NH 2 Et +34 , NH 2 Me 2 + , NH 2 Me 3 + , NMe 4 + . In this latter series the extent of exchange diminishes with increasing alkyl content in the order given. NEt 4 + ions did not exchange.