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- E-ISSN 2288-8985
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Study of Characteristic of Up-hill Transport in Alkali Metal-ions Through a Carrier Membrane
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.3, pp.224-229
Park,
K., &
Yang,
W.
(1999). Study of Characteristic of Up-hill Transport in Alkali Metal-ions Through a Carrier Membrane. Analytical Science and Technology, 12(3), 224-229.
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Abstract
Recently, many studies for the supported liquid membrane (SLM) using a carrier have been actively reported. Polymeric cation exchange membrane was synthsized by dissolving monensin carrier of antibiotic material in organic solvent. Then the SLM was applied to the Nernst-Planck and Fick equations and membrane potential and membrane permeability were measured respectively. The results showed the high selectivity towards alkali metal ions and the SLM showed linear relationship with low concentration. However, linear relationship did not appear at high concentration. This is explained by means of the new theory of the stagnant layer and the slop of logarithm value was linear for the up-hill transport phenomena of membrane transport.
- keywords
- supported liquid membrane, membrane potential, membrane transport, stagnant layer, up-hill transport
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