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The inhibition effect of the new Schiff base, namely 2,2′‐[bis‐ N (4‐choloro benzaldimin)]‐1,1′‐dithio against mild steel corrosion
Author(s) -
Hosseini S. M. A.,
Azimi A.
Publication year - 2008
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/maco.200704101
Subject(s) - sulfuric acid , corrosion , adsorption , schiff base , langmuir adsorption model , corrosion inhibitor , polarization (electrochemistry) , chemistry , nuclear chemistry , langmuir , materials science , inorganic chemistry , metallurgy , organic chemistry , polymer chemistry
2,2′‐[bis‐ N (4‐choloro benzaldimin)]‐1,1′‐dithio has been synthesized and its inhibiting action on the corrosion of mild steel in 0.5 M sulfuric acid was investigated by various corrosion monitoring techniques, such as weight loss and potentiodynamic polarization techniques. The experimental results suggest that this compound is a good corrosion inhibitor for mild steel and the inhibition efficiency increases with the increase in inhibitor concentration. This organic compound is a mixed type inhibitor in the acid solution, and its adsorption on the mild steel surface is also found to obey the Langmuir adsorption isotherm.