Process for the separation and purification of platinum, rhodium

Details Process for the separation and purification of platinum, rhodium Process for the separation and purification of platinum, rhodium

1974-12-03

1976-06-01

Carter, Herbert T.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75101BE, 75121, 423 22, 423463, C22B 1104, C01G 5500

Patent

active

039605493

ABSTRACT:
This invention relates to a process for the separation and purification of platinum group metals and particularly platinum, rhodium and iridium. Essentially the platinum group metals are present as salts dissolved in an aqueous solution and the process for separating and purifying the platinum group metals comprises, according to one embodiment of the invention, the following steps:

REFERENCES:
patent: 3001868 (1961-09-01), Aveston et al.
patent: 3024084 (1962-03-01), Raper et al.
patent: 3437431 (1969-04-01), Platz et al.
patent: 3787554 (1974-01-01), Ziegler
Dolgikh et al., "Chemical Absts.," vol. 65, 1966 11423c.

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