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Stlldies on Transportation and Separation of Metal Lons in an Emulsion Liquid Membrane in the Absence of Mobile Carrlers

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ã€Authorã€‘ Li Quanmin, Li Kean, Wang Yan, Tong Shenyang (Department of Chemistry, Beijing University, Beijing 100871)

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ã€Abstractã€‘ A toluene emulsion liquid membrane has been prepared. Transportation behaviors of metal lons in this kind of liquid membrane system have been studied, when inner phase reagents are EDTA, Na₄P₂O₇, Na₂S₂O₃, HNO₃ etc. respectively. Transportation mechanism of the emulsion liquid membrane was discussed. Optimum conditions were selected for separation of Lead ï¼ˆâ…¡ï¼‰,Zinc ï¼ˆâ…¡ï¼‰,Cadmium and Mercury.æ›´å¤š è¿˜åŽŸ