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Factors affecting homogeneous precipitation of aluminum hydroxide gel

โœ Scribed by Carlos J. Serna; Joe L. White; Stanley L. Hem

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
348 KB
Volume
67
Category
Article
ISSN
0022-3549

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โœฆ Synopsis

The variables affecting homogeneous precipitation in the hydrolysis of aluminum nitrate by sodium carbonate were studied. Increased temperature, decreased concentration of reactants, and decreased rate of addition of titrant favor conditions that achieve homogeneous precipitation. During acid hydrolysis, the nitrate anion was the major anion associated with the gel and only small amounts of carbonate were observed. It is recommended that homogeneous conditions be achieved during the precipitation of aluminum hydroxide gel to improve reporducibility.

๐Ÿ“œ SIMILAR VOLUMES

Structure of aluminum hydroxide gel I: I
Structure of aluminum hydroxide gel I: Initial precipitate
โœ Steven L. Nail; Joe L. White; Stanley L. Hem ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 434 KB ๐Ÿ‘ 1 views

The initial aluminum hydroxide gel precipitate resulting from the reaction of aluminum chloride or aluminum sulfate with ammonium hydroxide is shown by potentiometric titration, chemical analysis, and the ratio of bound hydroxide to aluminum to fit a polymer model described previously. The formation