Title:
【発明の名称】白金族金属の分離
Document Type and Number:
Japanese Patent JP2001516808
Kind Code:
A
Abstract:
A hydrochloric acid solution containing platinum group metals has its acidity adjusted to 5.5 to 6.5M HCl and its redox potential adjusted to at least 500 mV, before being treated by chromatography. Particularly clean separation of at least Pt and Pd can be obtained, and recovered Pt and Pd of at least 99.99% purity may be obtained by following conventional precipitation processes.
Inventors:
Robinson, David John
Shakelton, Natalie Jean
Shakelton, Natalie Jean
Application Number:
JP2000511922A
Publication Date:
October 02, 2001
Filing Date:
September 14, 1998
Export Citation:
Assignee:
Anglo American Platinum Corporation Limited
International Classes:
C22B3/24; C22B11/00; C22B3/42; C22B; (IPC1-7): C22B11/00; C22B3/42
Domestic Patent References:
| JPH06192247A | 1994-07-12 | |||
| JPH07300630A | 1995-11-14 | |||
| JPH07331349A | 1995-12-19 | |||
| JP2001507323A | 2001-06-05 | |||
| JPH11509632A | 1999-08-24 | |||
| JPH03262531A | 1991-11-22 | |||
| JPH07310129A | 1995-11-28 | |||
| JPH0827527A | 1996-01-30 | |||
| JPH0657465A | 1994-03-01 |
Attorney, Agent or Firm:
Takashi Ishida (4 others)