| 发明名称 |
METHOD FOR OBTAINING SILVER FROM INDUSTRIAL PRODUCTS CONTAINING SILVER CHLORIDE |
| 摘要 |
<p>metallurgy, in particular, silver affinage. SUBSTANCE: method involves providing leaching with sulfite-ammonia solution and thermal settling of silver from solution. Alkali is added to solution before thermal settling process and reducer is added after thermal settling process. Sulfate of hydroxylamine is used as reducer. Thermal settling is effectuated for at least one hour. EFFECT: increased silver extraction extent. 2 cl, 1 tbl</p> |
| 申请公布号 |
RU2185452(C2) |
申请公布日期 |
2002.07.20 |
| 申请号 |
RU20000123428 |
申请日期 |
2000.09.11 |
| 申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "IRGIREDMET" |
发明人 |
MUSIN E.D.;KARPUKHIN A.I.;MINEEV G.G. |
| 分类号 |
C22B11/00;C22B3/04;(IPC1-7):C22B11/00 |
主分类号 |
C22B11/00 |
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