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本文采用加铂钯混合物的铅试金法对矿石中铑铱的富集进行了系统的研究。确定了加入6mg铂和4mg钯的铅试金法富集硫化铜镍矿中铑铱最好,铑铱的标准回收均达90％以上。50g矿样中含金量<10mg、含银量<5mg不干扰铱的富集;含金量<100mg、含银量<10mg不干扰铑的富集。较好地解决了矿石中铑铱的富集问题。国内外一些试金分析工作者曾用加金、钯、铂、铂金混合物的铅试金法富集矿石中的铑
In this paper, platinum plus platinum mixture of lead assay gold ore odium iridium enrichment system were studied. It was confirmed that the best lead rhodium and iridium in copper sulfide nickel ores were obtained by the lead gold assay with 6 mg platinum and 4 mg palladium, and the standard recovery of rhodium iridium reached more than 90%. 50g ore samples containing gold <10mg, silver content <5mg does not interfere with the enrichment of iridium; gold content <100mg, silver content <10mg does not interfere with the enrichment of rhodium. Solve the ore in the rhodium-iridium enrichment problem. Some gold assayers at home and abroad have used gold, palladium, platinum, platinum mixture of lead gold test method to enrich the ore rhodium