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PLATINUM AND PALLADIUM EXTRACTION SEPARATION PROCESS
PLATINUM AND PALLADIUM EXTRACTION SEPARATION PROCESS
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机译:铂钯萃取分离工艺
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摘要
FIELD: precious metal technology. SUBSTANCE: process is accomplished by selectively extracting platinum from aqueous phase into organic phase using as extractant solutions of compounds of formula Ar2P(O)(CH2)nNR2 in organic solvent. 0.01 M dichloroethane solutions of Ar2P(O)(CH2)nNR2 can also be used. Extraction of platinum and palladium can be performed from 4 M hydrogen chloride solutions. EFFECT: increased separation selectivity. 3 cl, 2 dwg, 2 tbl, 10 ex
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机译:领域:贵金属技术。物质:通过使用式Ar 2 Sub> P(O)(CH 2 Sub>)的化合物作为萃取剂溶液,将水相中的铂选择性萃取到有机相中来完成n Sub> NR 2 Sub>在有机溶剂中。也可以使用0.01M的Ar 2 Sub> P(O)(CH 2 Sub>) n Sub> NR 2 Sub>的二氯乙烷溶液。铂和钯的提取可以从4 M氯化氢溶液中进行。效果:提高分离选择性。 3 cl,2 dwg,2 tbl,10 ex
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