Application of a Titanium Dioxide Electrode for Measuring Glycine Using Copper(II) Ion.

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  • MOTONAKA Junko
    Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
  • MARUYAMA Kenichi
    Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
  • MISHIMA Yuji
    Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
  • IKEDA Sanae
    Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima

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  • Application of a Titanium Dioxide Elect

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Abstract

A titanium dioxide electrode using copper(II) ion was developed for measuring glycine. The copper(II)-glycine complex interacted on the titanium dioxide electrode surface. Use of the copper redox system enabled indirect measurement of glycine with good reproducibility without elution of the titanium ion. The calibration curve was determined and the effects of temperature, pH, the scanning rate, concomitant compounds, and the lifetime of the electrode were examined. Under optimal conditions, the current response was linear in the concentration range of 0.02 - 0.10 mM glycine.

Journal

  • Analytical Sciences

    Analytical Sciences 14 (5), 961-964, 1998

    The Japan Society for Analytical Chemistry

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