Title:
METHOD FOR RECOVERING GOLD
Document Type and Number:
Japanese Patent JP2013181181
Kind Code:
A
Abstract:
To enable recovering of gold with high quality from a sample including gold used for various parts.
A method for recovering gold from a sample including gold and metal other than gold includes a first separation step of causing the sample to be soluble in an acid mixture to separate an insoluble element therefrom; and a second separation step of causing the insoluble element obtained by the first separation method to be soluble in aqua regia to separate an insoluble element therefrom.
Inventors:
AOKI TAKEHISA
HATTA TAKUYA
HATTA TAKUYA
Application Number:
JP2012043987A
Publication Date:
September 12, 2013
Filing Date:
February 29, 2012
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
C22B11/00; C22B1/00; C22B3/04; C22B3/44; C22B7/00
Attorney, Agent or Firm:
Axis International Patent Business Corporation