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１引言利用液膜分离技术提取与分离金属离子的研究已有报道，但利用三异辛胺（ＴＩＯＡ）作为液膜的载体分离金属离子的研究还未见报道。本文研究了以ＴＩＯＡ为载体的乳状液膜迁移Ｃｄ（Ⅱ）的行为及机理。试验表明，ＴＩＯＡ＋Ｓｐａｎ８０十二甲苯乳状液膜体系能使Ｃｄ（Ⅱ
1 Introduction The research on the extraction and separation of metal ions by liquid membrane separation has been reported. However, the study on the separation of metal ions by using TioA as the carrier of liquid film has not been reported yet. In this paper, the behavior and mechanism of migration of Cd (Ⅱ) by TIOA-loaded emulsion liquid membrane were studied. Experiments show that, TIOA + Span80 Xylene emulsion liquid membrane system enables Cd (Ⅱ