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PeriodicalsMaterials Science

Inhibition of corrosion of mild steel by an alcoholic extract of a seaweed Sargassum muticum

S. Jone Kirubavathy·Hashem Abdulhameed Al·Rajendran Susai Santhammal·R. M. Joany·Caslav M. Lacnjevac
Zastita materijala2021

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Abstract & Overview

An alcoholic extract of a sea weed Sargassum muticum has been used to control corrosion of mild steel in 0.5 N HCl. Weight loss method and Electrochemical studies have been used in this study. Weight loss study reveals that 500 ppm of the inhibitor offers 99.25 % inhibition efficiency. Polarization study reveals that the inhibitor functions as an anodic inhibitor at higher concentration. The AC impedance spectra confirm the formation of a protective film on the metal surface. Adsorption of inhibitor molecules on the metal surface follows Langmuir adsorption isotherm.

Cite this record

S. Jone Kirubavathy, Hashem Abdulhameed Al, Rajendran Susai Santhammal, R. M. Joany, Caslav M. Lacnjevac (2021). Inhibition of corrosion of mild steel by an alcoholic extract of a seaweed Sargassum muticum. Zastita materijala, 62(4), 304–315. https://doi.org/10.5937/zasmat2104304j

Copy in another style

Kirubavathy, S. J., Al, H. A., Santhammal, R. S., Joany, R. M., & Lacnjevac, C. M. (2021). Inhibition of corrosion of mild steel by an alcoholic extract of a seaweed Sargassum muticum. Zastita materijala, 62(4), 304–315. https://doi.org/10.5937/zasmat2104304j
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