Trimethylsilylation of zeolites. Evidence for the presence of adjacent aluminium atoms
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 6,p. 1260-1263
- https://doi.org/10.1039/dt9810001260
Abstract
Trimethylsilylation of the zeolites A, ZK-21, P, and X followed by gas–liquid chromatographic analysis of the volatile silicate fragments obtained has produced size-distribution patterns which show that Loewenstein's rule, which forbids adjacent AlO4 tetrahedra, is not obeyed in these zeolites. Comparison of the results with calculated size distributions for various alternative arrangements of aluminium atoms indicates that in these zeolites between onethird and one-half of the AlO4 tetrahedra are linked in pairs.Keywords
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