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Abstract

Tricine was investigated for the first time as green inhibitor of aluminium corrosion in 1.0 M HCl by using theoretical and experimental techniques such as gravimetric studies, electrochemical impedance spectroscopy (EIS), quantum chemical computations and SEM studies. The acquired outcomes affirmed that tricin act as relevant aluminium corrosion inhibitor exhibiting inhibition efficiency of 88% at 1000ppm at 298K. Polarization studies manifestedtricine as a mixed type of inhibitor. Activation and thermodynamic parameters and their effect on inhibition efficiency are reported. The process of adsorption of inhibitor metal surface followed Langmuir adsorption isotherm. Computational calculations, i.e. Density functional theory (DFT) and molecular dynamic simulations (MD) were used to get detailed theoretical insights.

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