Development of Aquatic Analytical Separation under Synergistic Effect of Inclusion with Polyether and Ion-Association Reaction

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Molecular recognition and hydrophobicity of polyether were synergistically utilized in an aqueous solution using cyclic polyethers and polyether-type nonionic surfactants. Capillary zone electrophoresis was adopted in this study to perform analytical separation in pseudo-homogeneous aqueous solution. Binding equilibria were investigated on phenylalkylammonium ion to polyeter, as well as on alkylpyridinium and alkylimidazolium ions to the nonionic surfactant micelle. Development of hydrophobicity of alkali metal ions by inclusion with cyclic polyether was also proved on ion-associability with tetraphenylborate ions.