Bulletin of the Korean Chemical Society

  • 제22권7호
  • /
  • Pages.663-668
  • /
  • 2001
  • /
  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Thermodynamic and Electrical Properties of Aminophenol and Anthranilic Acid Complexes with Some Transition Metals

  • M. G. Abd El Wahed ;
  • S. M. Metwally ;
  • M. M. El Gamel ;
  • S. M. Abd El Haleem
  • 발행 : 20010700
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초록

Thermodynamic and electrical functions of aminophenol and anthranilic acid complexes with Mn(Ⅱ), Fe(Ⅱ), Co(Ⅱ), Ni(Ⅱ) and Cu(Ⅱ) were determined. ΔG°, ΔH° and ΔS° were calculated with the help of stability constant values at different temperatures. It was found that the complexing processes have an exothermic nature. The studied complexes behave like semiconductors. The conduction takes place according to hopping mechanism. To show the composition of complexes conductometric and photometric titrations, IR spectra, thermal analysis and X-ray diffraction techniques were employed.

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