Selective transport of inorganic ions along CA membranes

N. Yellin*, L. Ben‐Dor, N. Zelingher

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Transport of inorganic ions along asymmetric cellulose acetate (CA) membrane from aqueous binary systems with a common ion: KCl–NaCl, Na2SO4–CuSO4, K2CrO4–KNO3, KCl–CaCl2, and NaCl–LiCl was studied. The transport proceeds via the support matrix of the membrane and can be measured by the growth of whiskers on its exposed surface and the change of composition of the solution. Differences in the growth rates resulted from differences in transport rates of the various ions. The selectivity of the membrane is attributed to the interaction support matrix–water–ion.

Original languageEnglish
Pages (from-to)1261-1268
Number of pages8
JournalJournal of Applied Polymer Science
Volume31
Issue number5
DOIs
StatePublished - Apr 1986

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