The conductance of cyclic polyether-cation complexes

D. F. Evans, S. L. Wellington, J. A. Nadis, E. L. Cussler

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Precise conductance measurements are reported for sodium, potassium, and cesium salts in methanol and acetonitrile solutions containing cyclic polyethers dibenzo-18-crown-6 and dicyclohexyl-18-crown-6. Decreases in equivalent conductance caused by the addition of a cyclic polyether to solutions of constant ionic strength were analyzed by nonlinear least squares to give association constants and equivalent conductances of the cation-polyether complex. The selectivity observed for the complexing is a function not only of ionic size but also of solvent.

Original languageEnglish (US)
Pages (from-to)499-506
Number of pages8
JournalJournal of Solution Chemistry
Issue number6
StatePublished - Dec 1 1972
Externally publishedYes


  • Conductance
  • alkali metals
  • association constants
  • cation complex
  • cyclic polyethers
  • polyether

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    Evans, D. F., Wellington, S. L., Nadis, J. A., & Cussler, E. L. (1972). The conductance of cyclic polyether-cation complexes. Journal of Solution Chemistry, 1(6), 499-506.