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Title: Studies of inorganic precipitate membrane: Evaluation of membrane selectivity from bi-ionic potential and conductivity measurements
Authors: Kushwah, R S
Ansari, Mohd Ayub
Akhtar, Naheed
Singh, P
Issue Date: Jul-1992
Publisher: NISCAIR-CSIR, India
Abstract: Bi-ionic and multi-ionic potential across parchment supported mercuric sulphide membrane with various combinations of 1:1 electrolytes at different concentrations have been measured. Membrane conductivity in contact with a single electrolyte has been experimentally determined to evaluate the selectivity of the membrane with the predetermined values of the intra-membrane mobility ratio. The selectivity sequence of the membrane has been found as K+ > Na+ > Li+ which on the basis of the Eisenman-Sherry model of membrane selectivity, points towards the weak field strength of the charge groups attached to the membrane matrix.
Page(s): 439-442
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.31A(07) [July 1992]

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