Differential Pulse Polarographic Investigation of Copper (II) - Cephalexin Complex

V. Kapetanović Institute of Analytical Chemistry, Faculty of Pharmacy, Univeristy of Belgrade, P.O. Box 146, YU-11000, Beograd, Yugoslavia

D. Veselinović Institute of Physical Chemistry, Faculty of Science, University of Belgrade, YU-11000, Beograd, Yugoslavia

D. Sužnjevic Institute of Physical Chemistry, Faculty of Science, University of Belgrade, YU-11000, Beograd, Yugoslavia

Abstract

It has been found by dp polarography that cephalexin forms a complex Cu(CEF)₂, at pH = 8.7, ionic strength μ = 0.2 and room temperature. The stoichiometric ratio and stability constant values have been evaluated by Lingane's and De Ford and Hume's methods. The overall stability constants, logβ₂ = 9.44 and 9.13, have been determined with methods applied.

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Differential Pulse Polarographic Investigation of Copper (II) - Cephalexin Complex

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