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Vol. 25 No. 17 (2013): Vol 25 Issue 17

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Phenobarbital: A New and Effective Corrosion Inhibitor for Mild Steel in 1 M HCl Solution

https://doi.org/10.14233/ajchem.2013.15414
Ambrish Singh
Department of Chemistry, SCVE, Lovely Faculty of Science and Technology, Lovely Professional University, Jallandhar-144 002, India
Tanay Pramanik
Department of Chemistry, SCVE, Lovely Faculty of Science and Technology, Lovely Professional University, Jallandhar-144 002, India
Ashish Kumar
Department of Chemistry, SCVE, Lovely Faculty of Science and Technology, Lovely Professional University, Jallandhar-144 002, India
Monika Gupta
Department of Chemistry, SCVE, Lovely Faculty of Science and Technology, Lovely Professional University, Jallandhar-144 002, India

Corresponding Author(s) : Ambrish Singh

ambrish.16752@lpu.co.in; vishisingh4uall@gmail.com

Asian Journal of Chemistry, Vol. 25 No. 17 (2013): Vol 25 Issue 17

Abstract

Phenobarbital was investigated as corrosion inhibitor for mild steel in 1 M HCl solution by weight loss and quantum chemical calculations. Phenobarbital showed 95 % inhibition efficiency at concentration of 200 ppm. The adsorption of the inhibitor followed Langmuir adsorption isotherm. The quantum chemical calculations were applied to elucidate adsorption pattern of inhibitor molecules on steel surface.

Keywords

Phenobarbital Mild steel Weight loss Adsorption Quantum chemical calculations
Singh, A., Pramanik, T., Kumar, A., & Gupta, M. (2013). Phenobarbital: A New and Effective Corrosion Inhibitor for Mild Steel in 1 M HCl Solution. Asian Journal of Chemistry, 25(17), 9808–9812. https://doi.org/10.14233/ajchem.2013.15414
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