Production of chromium (III) compounds

Details Production of chromium (III) compounds Production of chromium (III) compounds

1982-11-18

1985-07-09

Williams, Howard S.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423305, 423419R, 423472, 423544, C01G 3700

Patent

active

045281750

ABSTRACT:
A process of preparing chromium (III) compounds from chromate and/or dichromate salts by forming a mixture of such salts, an acid, water and a reducing agent. Additional acid is added to the mixture which is then cooled selectively precipitating the salt of the anion of the acid and the cation of the chromate and/or dichromate salts which is separated from the solution containing the desired chromium (III) compound.

REFERENCES:
patent: 1379578 (1921-05-01), Mooney
patent: 2524803 (1950-10-01), Iler
patent: 2841541 (1958-07-01), Smith
patent: 2928723 (1960-03-01), Perrin et al.
patent: 3305303 (1967-02-01), Hartford et al.
patent: 3309172 (1967-03-01), Hartford et al.

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