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Development and testing of a Green Volatile Corrosion Inhibitor for Mild Steel
M. A. Quraishi* SudheerDepartment of Applied Chemistry Institute of Technology Banaras Hindu University India Varanasi -221 005 (India)
*Corresponding author E-mail addresses: maquraishi@rediffmail.com maquraishi.apc@itbhu.ac.in
ABSTRACT Green volatile corrosion inhibitor was developed by the reaction of Oleic hydrazide and cinnamic acid. Its inhibition action was evaluated on corrosion of mild steel under a thin film electrolyte consisting of simulated water by potentiodynamic polarization and electrochemical impedance methods. The results of polarisation study showed that the reaction product of Oleic hydrazide and cinnamic acid act as cathodic inhibitor at 25 ppm and predominantly acted as anodic inhibitor at 100 ppm . The values obtained from impedance plots distinctly increased in presence of different concentration inhibitor which further corroborated that synthesized inhibitor is a effective inhibitor for corrosion of mild steel. It showed 98 % IE at 100ppm Keywords: Vapour Phase Green Corrosion Inhibitor Atmospheric Corrosion meter Electrochemical Impedance Spectroscopy
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