The results of laboratory experiments have shown that the recovery of tin, silver and gold can reach 95.92 and 90% respectively;
实验室试验表明锡、银、金的回收率分别达（%）：95，92，90，同时还可回收残渣中的铅和锑。
As stripping trace tin time after time, the rate recovery of tin can be increased, and achieved the aim of the separation and enrichment of trace tin and trace germanium.
通过多次反萃取可以提高锡的回收率，达到了微量锡与微量锗分离富集的目的。
In this paper, the separation of tin cladding from tinned copper wires and its recovery are investigated.
本文采用置换反应方法除去废铜线表面的锡镀层，对回收锡的工艺进行了探索。
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