Separation and purification of platinum and palladium

Details Separation and purification of platinum and palladium Separation and purification of platinum and palladium

1977-06-15

1978-08-08

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

75101BE, C01G 5500

Patent

active

041057422

ABSTRACT:
A process for the separation of platinum and/or palladium from acid starting solutions containing the chlorocomplexes thereof together with other platinum group metals and/or base metals in 0.01 to 2M acid solutions comprises contacting the starting solution with a suitable solvent extractant; the solvent extractant being substantially water insoluble, carried in an organic phase and comprising functional groups of the formula R.sub.2 N--CH.sub.2 --COOH wherein R is a long-chain alkyl group and thereafter separating the two phases and recovering the extracted platinum or palladium or both from the loaded solvent extractant.

REFERENCES:
patent: 3437431 (1969-04-01), Platz et al.
patent: 3960549 (1976-06-01), MacGregor
patent: 3967956 (1976-07-01), Payne
patent: 4041126 (1977-08-01), Baltz

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