Ester-based pyridinium gemini surfactants as novel inhibitors for mild steel corrosion in 1 M HCl solution

Mobin, M. and Aslam, R. (2017) Ester-based pyridinium gemini surfactants as novel inhibitors for mild steel corrosion in 1 M HCl solution. Tenside, Surfactants, Detergents, 54 (6). pp. 486-499. ISSN 9323414

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Official URL: http://www.hanser-elibrary.com/doi/10.3139/113.110...

Abstract

The corrosion inhibition ability of ester based pyridinium Gemini surfactants (GS) with different hydrophobic character (14-Py and 16-Py) towards mild steel (MS) in 1 M HCl solution was investi- gated at various concentrations and temperatures (303-333 K). Potentiodynamic polarization, electrochemical impedance spec- troscopy, weight loss, surface analysis (SEM/EDAX and AFM) and FT-IR were combined to investigate the corrosion inhibition behaviour of the surfactants. 14-Py and 16-Py were found to be efficient, mixed type inhibitors. The inhibition efficiencies in- creased with increasing concentration, hydrophobicity and solu- tion temperature. The existence of a protective film of the ad- sorbed inhibitors on the MS surface was confirmed by SEM/ EDX/AFM.

Item Type: Article
Uncontrolled Keywords: Acid corrosion; Atomic force microscopy (AFM); EIS; Energy-dispersive X-ray spectroscopy (EDX); Mild steel (MS); Scanning electron microscopy (SEM); Weight loss
Subjects: T Technology > T Technology (General)
Divisions: Faculties > Faculty of Engineering and Technology > Zakir Husain College of Engineering & Technology > Department of Applied Chemistry
Depositing User: AMU Library
Date Deposited: 03 Feb 2018 07:33
Last Modified: 05 Feb 2018 04:35
URI: http://ir.amu.ac.in/id/eprint/11075

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