Phenyl Phthalimide as Corrosion Inhibitor for Corrosion of C-Steel in Sulphuric Acid Solution | Zendy

Ishaq Zaafarany | Zendy

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Phenyl Phthalimide as Corrosion Inhibitor for Corrosion of C-Steel in Sulphuric Acid Solution

Author(s) -

Ishaq Zaafarany

Publication year - 2009

Publication title -

portugaliae electrochimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.252

H-Index - 27

eISSN - 1647-1571

pISSN - 0872-1904

DOI - 10.4152/pea.200905631

Subject(s) - phthalimide , corrosion , corrosion inhibitor , chemistry , materials science , nuclear chemistry , metallurgy , organic chemistry

The effect of some phenyl phthalimide derivatives on the corrosion of carbon steel in 0.5 M H 2SO 4 solution was studied using weight loss and galvanostatic polarization techniques. The percentage inhibition efficiency was found to increase with increasing concentration of inhibitor and with decreasing temperature. Inhibition was explained by adsorption of these compounds on the metal surface. The adsorption follows Freundlich adsorption isotherms. Some thermodynamic functions were computed and discussed.

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