In this paper, the study on making cupric sulfate with high arsenic bearing copper concentrate and the recovery of gold and silver are introduced.

介绍了以高砷铜精矿为原料，进行制取硫酸铜并回收其中金银的研究。

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This paper describes the experimental investigation on producing blister copper and recovering gold and silver by direct smelting of gold-bearing material.

进行了含金物料直接熔炼粗铜捕集回收金、银的试验研究。

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It was also found that, besides native silver, there existed coPPer-bearing argentite which seemed to be an alternation Product through the replacing of native silver by late-formed copper sulfide.

银矿物除自然银外，还见有后期铜的硫化物交代自然银形成的含铜辉银矿。

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