Refining of noble group metals

Details Refining of noble group metals Refining of noble group metals

1974-12-10

1976-09-07

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75101BE, 423 22, C22B 1104

Patent

active

039792072

ABSTRACT:
This invention relates to the separation and purification of platinum group metals and, in particular to the separation of mixtures of rhodium, platinum and irridium. According to one specific form of the invention, the platinum, rhodium and iridium are present as salts in aqueous solution and the separation and purification is accomplished by

REFERENCES:
patent: 2829967 (1958-04-01), Schlecht
patent: 3437431 (1969-04-01), Platz et al.
patent: 3484235 (1969-12-01), Goss et al.
patent: 3620713 (1971-11-01), Short
patent: 3787554 (1974-01-01), Ziegler
Borbat et al., J. of Analytical Chemistry of the U.S.S.R., vol. 20, No. 2, 1965, pp. 174-176.
Borbat et al., Chem. Abst., vol. 65, 1966, 11423c.

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