| 发明名称 |
METHOD OF PREPARING HIGH-PURITY GOLD |
| 摘要 |
FIELD: precious metal affinage. SUBSTANCE: initial solution containing 80-95% gold polluted by iron, tin, lead, platinum metal, and other admixtures is subjected to extraction with tributyl phosphate to recover gold. Extract solution is washed by water and/or electrolyte solutions: sodium sulfate, sodium chloride, hydrochloric acid. Separated and washed, gold is 99.999% pure. EFFECT: increased gold affinage degree.
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| 申请公布号 |
RU2110592(C1) |
申请公布日期 |
1998.05.10 |
| 申请号 |
RU19970108762 |
申请日期 |
1997.05.29 |
| 申请人 |
KARMANNIKOV VLADIMIR PAVLOVICH |
发明人 |
DRAENKOV A.N.;TATARINTSEV A.N.;KUTILOV V.A.;ZVONTSOV B.F.;KOVALEV V.V.;KARMANNIKOV V.P.;KLIMENKO M.A.;ELJUTIN A.V.;FEDULOVA T.V.;FROLOVA I.V.;JURASOVA O.V.;DRAENKOV A.N.;TATARINTSEV A.N.;KUTILOV V.A.;ZVONTSOV B.F.;KOVALEV V.V.;KARMANNIKOV V.P.;KLIMENKO M.A.;ELJUTIN A.V.;FEDULOVA T.V.;FROLOVA I.V.;JURASOVA O.V. |
| 分类号 |
C22B11/00;C22B3/38;(IPC1-7):C22B11/00 |
主分类号 |
C22B11/00 |
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