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The corrosion inhibition of copper by New Organic Compound [(CH3)2N]3PSe into chloride Solution : Electrochemical study

Author:

Yafa Zargouni, Wafa Sassi and Khaled Alouani

Subject Area:

Physical Sciences and Engineering

Abstract:

The corrosion inhibition properties of Tris-dimethyl-amino-seleno-phosphoramide (SeAP) for copper corrosion in NaCl solution were analyzed by electrochemical quartz crystal microbalance (EQCM) and potentiodynamic polarization. The morphological changes of copper were followed before and after adding SeAP, at different concentrations., by scanning electron microscopy (SEM), atomic force microscopy (AFM), and glow discharge optical emission spectroscopy (GDOES). The results show that SeAP acts by adsorption on copper via active sites and a protective layer formed on surface remains persistent over time in NaCl solution. The efficiency of SeAP increases with increase in immersion time into the chloride media.

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