Solvent extraction process for the selective extraction of palla

Details Solvent extraction process for the selective extraction of palla Solvent extraction process for the selective extraction of palla

1980-11-17

1982-05-25

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

75101BE, C01G 5500

Patent

active

043316344

ABSTRACT:
The separation and purification of palladium present in aqueous solutions which also contain other platinum group metals is accomplished by a process which involves contacting an acidic aqueous solution containing the palladium and other platinum group metals with an organic phase containing an oxime extractant and an anionic phase transfer material substantially soluble in the organic phase and substantially insoluble in the aqueous solution, and removing from contact with the acidic solution the organic phase containing substantially all of the palladium.

REFERENCES:
patent: 3437431 (1969-04-01), Platz et al.
patent: 3967956 (1976-07-01), Payne
patent: 4041126 (1977-08-01), Blatz et al.
patent: 4058585 (1977-11-01), Mackay et al.
patent: 4104359 (1978-08-01), Davis et al.
patent: 4105742 (1978-08-01), Edwards et al.
Stella et al., "Radiochem. Radioanal. Letters", 16/6, 1974, pp. 273-282.

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