Transportation of Zinc(II) Ion through a Supported Liquid Membrane

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Abstract
The transportation system of the zinc ion using a driving force supplied by the concentration gradient of the anion is studied in terms of permeation through a supported liquid membrane (SLM) containing a carrier. The SLM was prepared by impregnating a porous polypropylene film with a 4,7-diphenyl-2,9-dimethyl-1,10-phenanthroline (bathocuproine) solution with dibenzyl ether as the carrier. The zinc ion permeation behavior through the film is studied under various experimental conditions. The effects of the zinc ion concentration, anion, and carrier are determined, and a permeation velocity equation for the zinc ion through the membrane is proposed. The effects of types of carrier as well as of anions are also investigated.