Title:
A manufacturing method of high purity money
Document Type and Number:
Japanese Patent JP6088565
Kind Code:
B2
Abstract:
Provided is a technology which produces high purity gold using a simple method from a chloroauric acid solution. The present invention relates to a method of producing more than 99.99% of high purity gold by adding a reducing agent to the chloroauric acid solution using bivalent ferrous. A reduction is executed by controlling a liquid temperature of the chloroauric acid solution to 35-100°C.
Inventors:
Yamamoto Yuka
Kumamaru Kaoru
Hashino Osamu
Kumamaru Kaoru
Hashino Osamu
Application Number:
JP2015029539A
Publication Date:
March 01, 2017
Filing Date:
February 18, 2015
Export Citation:
Assignee:
Asahi Pretec Corp.
International Classes:
C22B11/00; C22B3/44; C22B7/00
Domestic Patent References:
| JP11140549A | ||||
| JP49107919A |
Foreign References:
| CN103526041A |
Attorney, Agent or Firm:
Kyuichi Ueki
Hisahiko Ueki
Tadashi Sugakawa
Hiroaki Ito
Akemi Takeoka
Hisahiko Ueki
Tadashi Sugakawa
Hiroaki Ito
Akemi Takeoka