Solvent extraction of platinum group metals

Details Solvent extraction of platinum group metals Solvent extraction of platinum group metals

1982-01-08

1983-05-03

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

75101BE, C01G 5500

Patent

active

043820670

ABSTRACT:
This invention relates to the separation and purification of the platinum group metals; more particularly it relates to the separation of mixtures of Pt and/or Pd from Rh and/or Ru.
In more detail, the present invention relates to a process for the separation or purification of platinum group metals in which either platinum, iridium (IV) and/or palladium (II) are present in aqueous solution together with one or more other platinum group or base metals comprising the steps of:

REFERENCES:
patent: 3437431 (1969-04-01), Platz et al.
patent: 3558288 (1971-01-01), Burrows
patent: 3787554 (1974-01-01), Ziegler
patent: 3960549 (1976-06-01), MacGregor
patent: 3979207 (1976-09-01), MacGregor
patent: 4012481 (1977-03-01), Blatz et al.
patent: 4041126 (1977-08-01), Blatz et al.
patent: 4105742 (1978-08-01), Edwards et al.
Borbat et al., "Chemical Absts.", vol. 65, 1966, #11423(c).

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