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本文以溶剂萃取的平衡负荷数据以及热力学数据来论证Kelex 100和Lix 65N对二价铜离子的选择性优于三价铁离子。此外,用这些试剂浸渍过的树脂所进行的这方面的试验研究所得的结果也说明了对铜的选择性的机理。
In this paper, the equilibrium loading data of solvent extraction and the thermodynamic data are used to demonstrate that Kelex 100 and Lix 65N have better selectivity for divalent copper ions than ferric ions. In addition, the results obtained from the experimental studies carried out on these resins impregnated with these reagents also illustrate the mechanism of selectivity for copper.