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. 1981 Jul;70(7):808-10.
doi: 10.1002/jps.2600700728.

Aluminum chlorohydrate III: Conversion to aluminum hydroxide

D L Teagarden, J L White, S L Hem

Aluminum chlorohydrate III: Conversion to aluminum hydroxide

D L Teagarden et al. J Pharm Sci. 1981 Jul.

Abstract

Bayerite, an aluminum hydroxide polymorph, readily forms when the hydroxyl to aluminum ratio of aluminum chlorohydrate is raised to 3 by titration with sodium hydroxide. Dilution of aluminum chlorhydrate solutions with water leads to the formation of gibbsite, another aluminum hydroxide polymorph. The mechanism of conversion in each instance is related to the structure of the Al13O4(OH)24(H2O)7+(12) complex.

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