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研究了分离富集痕量铜的液膜条件，摸索了一种新的液膜体系：Ｐ２０４－Ｎ２０５－煤油－ＨＣＩ，考察了各种影响因素，提出了最佳富集条件。结果表明，平均回收率在９５％以上，富集倍数高达１００倍。
The condition of liquid membrane separation and enrichment of trace copper was studied. A new liquid membrane system was explored: P204-N205-kerosene-HCl, various influencing factors were investigated, and the optimal enrichment conditions were proposed. The results showed that the average recovery was above 95% and the enrichment factor was up to 100 times.