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Metal Complex Formation of Some Anthryl Formazans

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Abstract

1-(2-Pyridyl)-3-phenyl-5-anthry] formazan (PAnthPF), l-(2-quinotyl)-3-phenyl-5-anthryl formazan (QAnthPF) and 1-(2-quinolyl)-3,5-diphenyl formazan (QPPF) were prepared and their acid dissociation constants and metal complex stability constants were investigated. The investigation involved the following metal ions: copper(II), zinc(II) and cadmium(II). QAnthPF reacts with metal ions to form complexes with intense color. The zinc(II) complex is red whereas the cadmium(II) complex is bluish green, the difference in their absorption maximum wavelength (Δλmax) is remarkably large (110 nm).

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Authors and Affiliations

  1. National Chemical Laboratory for Industry, Tsukuba Research Center, Higashi, Tsukuba, 305, Japan

    Akira Uchiumi & Akiko Takatsu

  2. Kyoto Pharmaceutical University, Yamasina, Kyoto, 607, Japan

    Hisashi Tanaka

Authors
  1. Akira Uchiumi
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  2. Akiko Takatsu
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  3. Hisashi Tanaka
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Uchiumi, A., Takatsu, A. & Tanaka, H. Metal Complex Formation of Some Anthryl Formazans. ANAL. SCI. 7, 459–462 (1991). https://doi.org/10.2116/analsci.7.459

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  • DOI: https://doi.org/10.2116/analsci.7.459

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