Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Lisinopril, Enalapril, Captopril drugs as save corrosion inhibitors for carbon steel in 0.5 M HCl solutions
Author(s): A. S. Fouda, S. Eldafrawy, A. BakrThe hindrance effect for corrosion of some drugs on metal in 0.5M hydrochloric acid was done by chemical (WL) and electrochemical(EIS, EFM, tafel polarization) techniques. Themorphology of surface utilized by EDX and electron scanning microscopy (SEM) method. From the data obtain the efficiency inhibition rise with higher the concentration inhibitor but lowering by increment of temperature. Potentiodynamic polarization for compounds given both the anodic and cathodic processes and play as mixed-type. The isotherm of adsorption of drug on metal follow the Temkin adsorption. The temperature effect on inhibition corrosion has been doneand thermodynamic activation.
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Citations : 15261
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