Corrosion Inhibition Of 5-methyl-2h-imidazol-4-carboxaldehyde And 1h-indole-3-carboxyaldehyde On Mild Steel In 1.0 M Hcl: Gravimetric Method And Dft Study

26 pages ID: CHM0098

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DepartmentChemistry
TypeProject
Pages26
Reference StyleYES
FormatMS Word & PDF
Reference No.CHM0098

Abstract

Abstract Weight loss and Density Functional Theory (DFT) methods were used to study the corrosion inhibition of 5-methyl-2H-imidazol-4-carboxaldehyde and 1H-Indole-3-carboxaldehyde on mild steel in acid medium. The values of thermodynamic parameters such as free energy of adsorption (ΔGºads), adsorption equilibrium constant (Kads), adsorption entropy (ΔSºads), adsorption enthalpy (ΔHºads) and activation energy (Ea) were calculated and discussed. The adsorption process on mild steel surface showed that 4-methyl imidazol-5-carboxaldehyde and Indole-3-carboxaldehyde obey Freundlich and Temkin ads…

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