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Binary and ternary complexes of sulphamethoxazole

Binäre und ternäre Komplexe von Sulphamethoxazol

  • Anorganische Und Physikalische Chemie
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Summary

The complex formation equilibria involved in the binary and ternary systemsM(II)-sulpha andM(II)-phen-sulpha were investigated by potentiometric titrations at 25°C and a ionic strength of 0.1N NaNO3 (M = Cu, Ni, Co, Zn;sulpha = sulphamethoxazole;phen = phenanthroline). The stability constants of the binary and ternary complexes follow the order ofIrving andWilliam. The formation of the ternary complex is discussed in terms of the binary species. The mode of chelation was ascertained by conductivity measurements.

Zusammenfassung

Die an den binären und ternären SystemenM(II)-sulpha undM(II)-phen-sulpha (M = Cu, Ni, Co, Zn;sulpha = Sulphamethoxazol;phen = Phenanthrolin) beteiligten Komplexbildungsgleichgewichte wurden bei 25°C und einer Ionenstärke von 0.1N NaNO3 mittels potentiometrischer Titration untersucht. Die Stabilitätskonstanten der binären und ternären Komplexe gehorchen der Reihenfolge vonIrving undWilliam. Die Bildung der ternären Komplexe wird auf der Basis der binären Spezies diskutiert. Die Art der Chelatbildung wurde durch Leitfähigkeitsmessungen ermittelt.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo, Egypt

    E. M. Shoukry

  2. Department of Chemistry, Faculty of Science at Beni-Suef, Cairo University, Beni-Suef, Egypt

    M. M. Khalil & A. H. H. Elghandour

  3. Department of Chemistry, Faculty of Science, Cario University, Giza, Egypt

    M. M. Shoukry

Authors
  1. E. M. Shoukry
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  2. M. M. Khalil
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  3. A. H. H. Elghandour
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  4. M. M. Shoukry
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Shoukry, E.M., Khalil, M.M., Elghandour, A.H.H. et al. Binary and ternary complexes of sulphamethoxazole. Monatsh Chem 126, 241–246 (1995). https://doi.org/10.1007/BF00816091

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  • DOI: https://doi.org/10.1007/BF00816091

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