| 发明名称 |
METHOD OF GOLD EXTRACTION |
| 摘要 |
<p>FIELD: precious metals. SUBSTANCE: method of gold extraction from the raw involves treatment with solution containing iodide followed by its isolation from iodide solution. Treatment is carried out by addition of alkaline metal nitrite at concentration <EMI ID=0.1 HE=6 WI=27 TI=CHI>, at pH = 0-2.5 to leaching solution. EFFECT: improved method of extraction, decreased cost of process.</p> |
| 申请公布号 |
RU683247(C) |
申请公布日期 |
1998.05.27 |
| 申请号 |
SU19772529187 |
申请日期 |
1977.10.06 |
| 申请人 |
INSTITUT NEORGANICHESKOJ KHIMII SIBIRSKOGO OTDELENIJA AN SSSR |
发明人 |
NOVOSELOV R.I.;PESHCHEVITSKIJ B.I.;NOVOSELOV R.I.;PESHCHEVITSKIJ B.I. |
| 分类号 |
C22B3/06;C22B11/00;(IPC1-7):C22B3/06 |
主分类号 |
C22B3/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
