Aluminium-27 MAS NMR investigations of sodium aluminates formed from high pH solutions: evidence of a complex polymer containing both four- and six-coordinate aluminium
- 1 January 1993
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 16,p. 1249-1251
- https://doi.org/10.1039/c39930001249
Abstract
Aluminium-27 MAS NMR studies of sodium aluminates and aluminium hydroxides (OH/AI = 5.3–3.9) formed through varying degrees of acid hydrolysis have revealed four-and-six coordinate aluminium species, suggesting the formation of complex polyoxoanion and/or polymeric intermediates in alkaline solution.Keywords
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