N Poongothai, T Ramachanderen, M Natesan, SC Murugavel
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N Poongothai1*, T Ramachanderen1, M Natesan2 and SC Murugavel3
1Department of Sciences, Amrita Vishwa Vidyapeetham, Coimbatore, India-641 105
2Corrosion Division, Central Electrochemical Research Institute, Karaikudi India
3Department of Chemistry, PSG College of Technology, Coimbatore, India-641 004
Volume - 3,
Issue - 2,
Year - 2010
The performance of five essential oils has been used to study the corrosion prevention of copper by weight loss and electrochemical polarization methods. Results showed that the inhibition efficiency depends upon the concentration of inhibitors as well as that of acid. The essential oils reduce the corrosion of copper in HCl environment more effectively in 4% concentration. This is due to adsorption of inhibitor molecules on metal surface, which is proved by Tempkin adsorption isotherm. The electrochemical polarization result revealed that inhibitors are of mixed type in nature.
Cite this article:
N Poongothai, T Ramachanderen, M Natesan, SC Murugavel. The Performance of VCI Coated Paper for Corrosion Prevention of Copper in HCl Environment. Asian J. Research Chem. 3(2): April- June 2010; Page 472-476.