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用TBP+TTA、SPAN80+N113A、液体石蜡和煤油乳状液膜体系,研究了∑RE~(3+)的迁移行为。并能从一般常见离子中得到满意的分离富集。该法用于测定不锈钢、铸铁中微量稀土总量,结果准确。
The migration behavior of ΣRE ~ (3+) was studied by TBP + TTA, SPAN80 + N113A, liquid paraffin and kerosene emulsion liquid membrane system. And from the common ions can be satisfied with the separation and enrichment. The method is used to determine the amount of trace rare earths in stainless steel and cast iron. The result is accurate.