Method for the preparation of liquid aluminum citrate

Details Method for the preparation of liquid aluminum citrate Method for the preparation of liquid aluminum citrate

1983-01-27

1984-05-08

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260448B, C07D10304, C07F 506

Patent

active

044473648

ABSTRACT:
Disclosed is a method for the preparation of a stable solution of aluminum citrate. The method involves combining a solution of aluminum chloride with a solution of citric acid while maintaining vigorous agitation. After formation of the aluminum citrate solution, sufficient alkali metal or ammonium hydroxide is added to increase the pH to a level of 5.5 to 7.5. During addition of the base, the agitation is continued and the temperature of the solution is maintained at a level of from 20.degree. C. to 90.degree. C.

REFERENCES:
patent: 3446585 (1963-10-01), Tangbe
patent: 3584025 (1971-06-01), Boye et al.
patent: 3762476 (1973-10-01), Gall
patent: 3865857 (1975-02-01), Suzuki et al.
patent: 3959093 (1976-05-01), Merki
Chemical Abstracts, vol. 89, #199106e, Montedison, "Tanning", 1978.
Chemical Abstracts, vol. 83, #167105p, Kwong et al, "Influence of Citric Acid on the Crystallization of Aluminum Hydroxide", 1975.
Chemical Abstracts, vol. 89, #164958q, Ancona et al., "Tanning Agent for Skins", 1978.

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