Effect Of Solvents and IR characterization of Complexes Prepared by Direct Reactions between Lysine and Metal ions of Cr (III) ,Cu (II) and Fe(III)

Author:

M.Adress.Hasan Hamad,A.Khatab.Ali Hamdi,A.Musa Mohammad

Abstract

The  ligand complexes of  Cr (III) ,Cu (II) and Fe(III)  with Lysine  have been synthesized and characterized. The Complexes were characterized by the physicochemical and spectroscopic techniques as electric conductivity, metal contents, IR, UV–Visible, and molar conductance techniques. The stoichiometric ratios of the synthesized complexes were confirmed by using molar ratio method. The results of  conductivity were ranged between (2.3 -6.5), supports the presence of non – electrolyte nature for these complexes. The results of  the melting point of the  studied  complexes  showed different values between the free ligand and complexes. Solvent effect on the electronic spectra of the lysine and their complexes was examined using solvents with different polarities. The results of the effect of pH on the absorbance  values showed wide variations.

Publisher

University of Benghazi

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