The Inhibitive Effect of 2-Phenyl-3-nitroso-imidazo [1, 2-a]pyridine on the Corrosion of Steel in 0.5 M HCl Acid Solution | Zendy

K. Bouhrira | Zendy; F. Ouahiba | Zendy; D. Zerouali | Zendy; B. Hammouti | Zendy; M. Zertoubi | Zendy; N. Benchat | Zendy

Open Access

The Inhibitive Effect of 2-Phenyl-3-nitroso-imidazo [1, 2-a]pyridine on the Corrosion of Steel in 0.5 M HCl Acid Solution

Author(s) -

K. Bouhrira,

F. Ouahiba,

D. Zerouali,

B. Hammouti,

M. Zertoubi,

N. Benchat

Publication year - 2010

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2010/525606

Subject(s) - carbon steel , dielectric spectroscopy , corrosion , adsorption , pyridine , electrochemistry , langmuir adsorption model , chemistry , polarization (electrochemistry) , nitroso , inorganic chemistry , nuclear chemistry , materials science , organic chemistry , electrode

The effect of 2-phenyl-3-nitroso-imidazo[1,2-a]pyridine (PNIP) on the corrosion inhibition of carbon-steel in 0.5 M HCl was studied by weight loss and different electrochemical techniques such as electrochemical impedance spectroscopy (EIS), potentiodynamic polarization. The obtained results showed that PNIP effectively reduces the corrosion rate of carbon steel. Inhibition efficiency (E%) increases with inhibitor concentration to attain 88% at 10-3 M. Adsorption of that PNIP on the carbon steel surface in 0.5 M HCl follows the Langmuir isotherm model. E% values obtained from various methods used are in good agreement. SEM characterization of the steel surface is made

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