Synthesis, spectral and electrochemical studies of some Schiff base N2O2 complexes

Schiff base metal complexes of different stoichiometries and modes of interactions were synthesized and characterized using different metals Mn, Co, Ni, Cu by elemental analysis, spectral (IR and UV–Vis) methods and magnetic susceptibility studies. Electrochemical studies were performed for some of...

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Bibliographic Details
Published in:Journal of molecular liquids 2014-06, Vol.194, p.149-158
Main Authors: Shehata, E.E., Masoud, M.S., Khalil, E.A., Abdel-Gaber, A.M.
Format: Article
Language:English
Subjects:
Schiff base
Spectrophotometric and electrochemical studies
UV–Vis
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Summary:Schiff base metal complexes of different stoichiometries and modes of interactions were synthesized and characterized using different metals Mn, Co, Ni, Cu by elemental analysis, spectral (IR and UV–Vis) methods and magnetic susceptibility studies. Electrochemical studies were performed for some of Schiff base complexes (Cu-salpr, Cu-salen, and Cu-salph·H2O) and of H2-salen and its corresponding Ni, Co, and Cu complexes on the corrosion behaviour of steel in 1M sulphuric acid solution and were studied by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization techniques. The stoichiometry of Fe and Mn (salen, salpr and salph) complex was studied by using different spectrophotometric methods. Figure: Nyquist plots for steel in 1.0M sulphuric acid containing 10% (v/v) ethanol in the presence of [1], 0.0M; [2], 1.0×10−4M; [3], 1.5×10−4M; [4], 2×10−4M; [5], 3.5×10−4M and [6], 4×10−4M of Cu-salpr. [Display omitted] •Schiff base complexes of salen, salph and salpr with different metals were synthesized and characterized.•The stoichiometry of Fe and Mn (salen, salpr and salph) complexes was studied by using different spectrophotometric methods.•Electrochemical studies were measured for some Schiff bases and its corresponding complexes.
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2013.10.003