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Potentiometric Studies on SomeCephalosporin Complexes

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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Summary.

 The interaction of Ca(II), Cu(II), Zn(II), Pb(II), and La(III) ions with the antibiotics cephalexin, cefadroxil, cephaloridine, and cefoperazone as secondary ligands was investigated potentiometrically. The formation constants were determined for a ligand-to-metal ratio of 1:1 at 25°C and KNO3. The protonation constants of the complexes were evaluated for the system. The order of stability of the binary and ternary complexes were examined. It was found that glycine adds preferably [M(II)-cephalosporin] rather than to the aqueous complexes of M(II). In all cases 1:1:1 complexes were formed.

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Authors and Affiliations

  1.  Chemistry Department, Faculty of Science, Minia University, Minia, Egypt

    Ahmed A. Abdel Gaber & Mahmoud A. Ghandour

  2.  Chemistry Department, Faculty of Science, South Valley University, Qena, Egypt

    Othman A. Farghaly

  3.  Chemistry Department, Faculty of Science, Assiut University, Assiut, Egypt

    Hamdy S. El-Said

Authors
  1. Ahmed A. Abdel Gaber
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  2. Othman A. Farghaly
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  3. Mahmoud A. Ghandour
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  4. Hamdy S. El-Said
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Received February 4, 2000. Accepted (revised) May 10, 2000

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Abdel Gaber, A., Farghaly, O., Ghandour, M. et al. Potentiometric Studies on SomeCephalosporin Complexes. Monatshefte für Chemie 131, 1031–1038 (2000). https://doi.org/10.1007/s007060070034

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  • DOI: https://doi.org/10.1007/s007060070034

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