发明名称 |
METHOD OF ISOLATION OF OSMIUM FROM POOR OSMIUM-CONTAINING CHROMATE SOLUTION |
摘要 |
<p>rare metals technology. SUBSTANCE: osmium is isolated from chromium-containing raw material is accomplished by sorption with alkali-earth metal hydroxide at ratio of the latter to osmium from 20:1 to 100:1. Such procedure allows complete recovery of osmium from chromate solutions containing 0.1 to 1 g/l of osmium. EFFECT: avoided dependence of osmium recovery results from content of chromium(VI) within a large range (10 to 100 g/l). 1 tbl, 4 ex</p> |
申请公布号 |
RU2151812(C1) |
申请公布日期 |
2000.06.27 |
申请号 |
RU19990112019 |
申请日期 |
1999.06.01 |
申请人 |
T IM. G.V. PLEKHANOVA (TEKHNICHESKIJ UNIVERSITET);T IM G V PLEKHANOVA TEKHN UNI |
发明人 |
PETROV G.V.;GREJVER T.N.;ANDREEV JU.V. |
分类号 |
C22B11/00;C01G55/00;C22B3/24;(IPC1-7):C22B11/00 |
主分类号 |
C22B11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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