发明名称 |
EXTRACTION OF SILVER FROM SILVER-BEARING X-RAY-SENSITIVE FILMS |
摘要 |
FIELD: metallurgy.SUBSTANCE: claimed process comprises film grinding, processing of ground film in structure breaking solution containing pancreatin, separation of the film, solution and silver-bearing precipitate. Note here that said structure breaking solution contains extra 0.1-1 g/l of the salt of oxy-ethyl or oxy-butyl ether of dithiocarbonic acid. Duration of the film processing in structure breaking solution makes 5-10 min while separation of silver-bearing precipitate from structure breaking solution is performed by flotation.EFFECT: higher rate and degree of extraction.1 tbl |
申请公布号 |
RU2568441(C1) |
申请公布日期 |
2015.11.20 |
申请号 |
RU20140152968 |
申请日期 |
2014.12.25 |
申请人 |
FEDERAL'NOE GOSUDARSTVENNOE AVTONOMNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "URAL'SKIJ FEDERAL'NYJ UNIVERSITET IMENI PERVOGO PREZIDENTA ROSSII B.E. EL'TSINA" |
发明人 |
LOBANOV VLADIMIR GENNAD'EVICH;MOSKALEV MIKHAIL JUR'EVICH;KRICHUNOV SERGEJ MIKHAJLOVICH;SOLOV'EV MAKSIM VIKTOROVICH;MAKOVSKAJA OL'GA JUR'EVNA |
分类号 |
G03C11/24;C22B11/00 |
主分类号 |
G03C11/24 |
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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