Separation of metals by liquid surfactant membranes containing crown ether carboxylic acids |
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| Authors: | Richard A Bartsch Witold A Charewicz Sang Ihn Kang |
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| Institution: | Department of Chemistry, Texas Tech University, Lubbock, TX 79409 U.S.A. |
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| Abstract: | A water-in-oil-in-water emulsion liquid membrane system is used to transport alkali metal and alkaline earth cations from an external alkaline aqueous source phase through an organic membrane containing a crown ether carboxylic acid and into the internal acidic aqueous phase of the emulsion droplet. The influence of varying the crown ether carboxylic acid structure upon the selectivity and efficiency of competitive metal ion transport is examined. |
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| Keywords: | To whom correspondence should be addressed |
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