Title:
ELECTROLYTIC DISSOLUTION METHOD AND ELECTROLYTIC PROCESSING DEVICE OF PLATINUM
Document Type and Number:
Japanese Patent JP2011131282
Kind Code:
A
Abstract:
To provide a method for efficiently dissolving platinum chemically stable and uneasily dissolved, by using an electrolytic method.
In the electrolytic dissolution method, platinum is dissolved by being electrolyzed in an electrolyte by use of the platinum as an anode. The electrolyte is a 8-11.5 N hydrochloric acid solution. The platinum electrode is dissolved while being applied with electric current with a current density of 60-100 A/dm2 at a liquid temperature of 60-80°C as an electrolyzing condition. The electrolyte further containing monoethanolamine as a complexing agent is preferable.
Inventors:
GOSHIMA NOBUTAKA
HAGIWARA YUTAKA
HONDA SOTATSU
NAKAYAMA SATOSHI
OKUDA AKIHIKO
SHOJI TORU
HAGIWARA YUTAKA
HONDA SOTATSU
NAKAYAMA SATOSHI
OKUDA AKIHIKO
SHOJI TORU
Application Number:
JP2009290146A
Publication Date:
July 07, 2011
Filing Date:
December 22, 2009
Export Citation:
Assignee:
TANAKA PRECIOUS METAL IND
International Classes:
B23H3/00; B23H3/08
Domestic Patent References:
| JPS62158833A | 1987-07-14 | |||
| JP2004218012A | 2004-08-05 | |||
| JP2009035442A | 2009-02-19 | |||
| JPH0849100A | 1996-02-20 |
Attorney, Agent or Firm:
Patent business corporation Tanaka, Okazaki and Associates