Extraction of silver and palladium metals from aqueous solutions

Details Extraction of silver and palladium metals from aqueous solutions Extraction of silver and palladium metals from aqueous solutions

1983-01-05

1986-11-18

Carter, H. T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

423 24, 75101BE, C01G 5500, C01G 500

Patent

active

046235221

ABSTRACT:
Silver or palladium metals are selectively extracted from aqueous sulfuric acid solution by contacting the solution with a water-immiscible organic solvent extraction solution comprising a tertiary phosphine sulfide compound; separating the resulting silver- or palladium- phosphine sulfide complex from the aqueous solution; and recovering the silver or palladium metal from the complex by suitable stripping means.

REFERENCES:
patent: 3920449 (1975-11-01), Onoda et al.
patent: 4278640 (1981-07-01), Allen et al.
Elliott et al., "Anal. Chimica Acta", vol. 33, 1965, pp. 237-244.
Cattrall et al., "J. Inorg. and Nuc. Chem.", vol. 40, 1978, pp. 687-690.

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