Aqueous Alkali-Metal Silicate Anions Containing Fully Condensed Four-Coordinate Sites

Conspicuous absence: 29Si NMR studies show that highly condensed, four‐coordinate Si‐containing anions are common in concentrated alkali‐metal silicate solutions, but reveal no evidence for the existence of specialized zeolite building units. The results add to the mounting evidence that silicate po...

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Veröffentlicht in:	Angewandte Chemie International Edition 2012-09, Vol.51 (39), p.9900-9903
Hauptverfasser:	Knight, Christopher T. G., Balec, Raymond J., Kinrade, Stephen D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anions Anions - chemistry Buildings Condensation polymerization Condensing Construction Magnetic Resonance Spectroscopy Metals, Alkali - chemistry Mounting NMR spectroscopy Polymerization Silicates Silicates - chemistry structure elucidation zeolite formation Zeolites Zeolites - chemistry
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creator	Knight, Christopher T. G. Balec, Raymond J. Kinrade, Stephen D.
description	Conspicuous absence: 29Si NMR studies show that highly condensed, four‐coordinate Si‐containing anions are common in concentrated alkali‐metal silicate solutions, but reveal no evidence for the existence of specialized zeolite building units. The results add to the mounting evidence that silicate polymerization simply proceeds through stepwise condensation of monosilicate tetrahedra.
doi_str_mv	10.1002/anie.201205606
format	Article
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subjects	Anions Anions - chemistry Buildings Condensation polymerization Condensing Construction Magnetic Resonance Spectroscopy Metals, Alkali - chemistry Mounting NMR spectroscopy Polymerization Silicates Silicates - chemistry structure elucidation zeolite formation Zeolites Zeolites - chemistry
title	Aqueous Alkali-Metal Silicate Anions Containing Fully Condensed Four-Coordinate Sites
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