Electrogenerated Chemiluminescence of Tris(dibenzoylmethane)phenanthroline Europium(III) as a Light Source: An Application for the Detection of PO<sub>4</sub><sup>3−</sup> Based on the Ion Associate Formation of Phosphomolybdic Acid and Malachite Green

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  • KUNISAWA Eri
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • ISHIMATSU Ryoichi
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • NAKANO Koji
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • IMATO Toshihiko
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University

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  • Electrogenerated Chemiluminescence of Tris(dibenzoylmethane)phenanthroline Europium(Ⅲ) as a Light Source : An Application for the Detection of PO₄³⁻ Based on the Ion Associate Formation of Phosphomolybdic Acid and Malachite Green
  • Electrogenerated Chemiluminescence of Tris(dibenzoylmethane)phenanthroline Europium(III) as a Light Source: An Application for the Detection of PO43-Based on the Ion Associate Formation of Phosphomolybdic Acid and Malachite Green

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<p>We demonstrate that electorogenerated chemiluminescence (ECL) of an organometallic Eu(III) complex, tris(dibenzoylmethane)phenanthroline europium(III), whose emission spectra is very sharp with the maximum wavelength of 612 nm, can be used as a light source for the detection of PO43− based on changing the absorbance of the ion associate of malachite green (MG+) and phosphomolybdic acid. The ECL was also applied to measure the absorbance of MG+. With the detection system we established, absorbance up to ∼1.6 with a change of ∼0.1 could be detected.</p>

Journal

  • Analytical Sciences

    Analytical Sciences 35 (7), 799-802, 2019-07-10

    The Japan Society for Analytical Chemistry

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