ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Diwan Singh Rajan, Shiv Darshan Malik

Email(s): rdsingh0220@gmail.com

DOI: Not Available

Address: Diwan Singh Rajan1* and Dr. Shiv Darshan Malik2
1Research Scholar, Department of Chemistry, JJT University, Jhunjhunu (Rajasthan) India
2Research Guide, Department of Chemistry, JJT University, Jhunjhunu (Rajasthan) India
*Corresponding Author

Published In:   Volume - 5,      Issue - 4,     Year - 2012


ABSTRACT:
The role of some surfactants in the corrosion of carbon steel in 1.0 M HCl has been studied using weight loss and galvanostatic polarization techniques. Results showed that the inhibition occurs through adsorption of the inhibitor molecules on the metal surface. The inhibition efficiency was found to increase with increasing inhibitor concentration and decreased with increasing temperature which is due to the fact, that the rate of corrosion of carbon steel is higher than the rate of adsorption The inhibiting action of these compounds are considerably enhanced by the addition of KI, due to the increase of the surface coverage and therefore indicate the joint adsorption of these compounds and iodide ions. Thermodynamic parameters for adsorption and activation processes were determined. Galvanostatic polarization data indicated that these compounds act as mixed-type inhibitors. Results obtained from the two techniques are in good agreement.


Cite this article:
Diwan Singh Rajan, Shiv Darshan Malik. Surfactants as Corrosion Inhibitors for Carbon Steel in Hydrochloric acid Solution. Asian J. Research Chem. 5(4): April 2012; Page 520-525.


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