Reference Entry

sodium aluminate

Edited by Richard Rennie and Jonathan Law

in A Dictionary of Chemistry

Seventh edition

Published in print January 2016 | ISBN: 9780198722823
Published online January 2016 | e-ISBN: 9780191789540
sodium aluminate

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A white solid, NaA1O2 or Na2Al2O4, which is insoluble in ethanol and soluble in water giving strongly alkaline solutions; m.p. 1800°C. It is manufactured by heating bauxite with sodium carbonate and extracting the residue with water, or it may be prepared in the laboratory by adding excess aluminium to hot concentrated sodium hydroxide. In solution the ion Al(OH)...

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Subjects: Chemistry

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