Bi-ionic membrane potential across a liquid anion-exchange membrane containing triphenyltin chloride

Sadayuki Koizumi, Toshihiko Imato, Nobuhiko Ishibashi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Potentiometric selectivities of a liquid anion-exchange membrane containing triphenyltin chloride (TPTCI) to several inorganic anions were evaluated via measurements of the membrane potential of a bi-ionic system, also called bi-ionic membrane potential. Addition of TPTCI to the liquid anion-exchange membrane, based on the quaternary ammonium salt, gave rise to a quite different selectivity pattern from the so-called Hofmeister anion series observed for the liquid anion-exchange membrane. An additivity rule of the bi-ionic membrane potential was observed to hold for the Liquid anion-exchange membrane containing TPTCI. Thus, the following multiple chain rule was derived for selectivity coefficients; k(l,n)(pot) = k1,2(pot)·k2,3(pot)...k(i,(i+1))(pot)...k(n-1,n)(pot), where k(i,i+1)(pot) is the selectivity coefficient of the membrane for the (i + 1)th ion over the ith ion.

Original languageEnglish
Pages (from-to)149-158
Number of pages10
JournalJournal of Membrane Science
Volume132
Issue number2
DOIs
Publication statusPublished - Sep 3 1997

Fingerprint

Membrane Potentials
Anions
Ion exchange
Negative ions
chlorides
anions
membranes
Membranes
Liquids
liquids
selectivity
Ions
Ammonium Compounds
triphenyltin chloride
coefficients
Salts
ions
salts

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

Cite this

Bi-ionic membrane potential across a liquid anion-exchange membrane containing triphenyltin chloride. / Koizumi, Sadayuki; Imato, Toshihiko; Ishibashi, Nobuhiko.

In: Journal of Membrane Science, Vol. 132, No. 2, 03.09.1997, p. 149-158.

Research output: Contribution to journalArticle

Koizumi, Sadayuki ; Imato, Toshihiko ; Ishibashi, Nobuhiko. / Bi-ionic membrane potential across a liquid anion-exchange membrane containing triphenyltin chloride. In: Journal of Membrane Science. 1997 ; Vol. 132, No. 2. pp. 149-158.
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