Characteristics of the Potential Response to Synthetic Polyelectrolyte Cations by a Flow-through Ion Using a Plasticized Poly(vinyl chloride)Membrane Doped with Amphiphilic Anion

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  • HATTORI Toshiaki
    Research Center for Chemometrics, Toyohashi University of Technology
  • KATO Masanao
    Research Center for Chemometrics, Toyohashi University of Technology

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  • Characteristics of the Potential Response to Synthetic Polyelectrolyte Cations by a Flow-through Ion Sensor Using a Plasticized Poly(viny chloride) Membrane Doped with Amphiphilic Anion.

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説明

The potential response of a flow-through ion sensor using a plasticized poly(vinyl chloride) membrane doped with amphiphilic anions to two synthetic polyelectrolyte cations was investigated. The potential responses to the polyelectrolyte cations were characterized in the terms of extractability of amphiphilic anion, concentration of amphiphilic anion salt in the membrane, solvent property of plasticizer, and leakage of amphiphilic anion salt. The concentration of amphiphilic anion salt in the membrane was a main factor in the potential response to polyelectrolyte cation. The examination of FTIR spectra in the plasticized poly(vinyl chloride) membrane containing amphiphilic ion salt showed that the leakage of amphiphilic ion salt from the membrane was prevented with the addition of polyelectrolyte ion. It was deduced that the potential response of polyelectrolyte cation was due to a decrease in the concentration of sodium ion, the counter ion to amphiphilic ion, as the primary ion in the plasticized poly(vinyl chloride) membrane.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 15 (4), 359-363, 1999

    社団法人 日本分析化学会

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