Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution

The corrosion inhibition effect of Rabeprazole sulfide (RS) on mild steel in 1 M hydrochloric acid (HCl) was investigated using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and chronoamperometric measurements. Protection efficiency of RS increases with the...

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Main Authors: M. K. Pavithra, T. V. Venkatesha, M. K. Punith Kumar
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:International Journal of Electrochemistry
Online Access:http://dx.doi.org/10.1155/2013/714372
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author M. K. Pavithra
T. V. Venkatesha
M. K. Punith Kumar
author_facet M. K. Pavithra
T. V. Venkatesha
M. K. Punith Kumar
author_sort M. K. Pavithra
collection DOAJ
description The corrosion inhibition effect of Rabeprazole sulfide (RS) on mild steel in 1 M hydrochloric acid (HCl) was investigated using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and chronoamperometric measurements. Protection efficiency of RS increases with the concentration and decreases with the rise in temperature. Adsorption of RS on mild steel surface in 1 M HCl follows Langmuir adsorption isotherm. The kinetic and thermodynamic parameters governing the adsorption process were calculated and discussed. The polarization results suggest that RS performed as an excellent mixed-type inhibitor for mild steel corrosion in 1 M HCl.
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institution Kabale University
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series International Journal of Electrochemistry
spelling doaj-art-5922579f2e6c4153a26c1a52e752ca9e2025-02-03T07:24:44ZengWileyInternational Journal of Electrochemistry2090-35292090-35372013-01-01201310.1155/2013/714372714372Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride SolutionM. K. Pavithra0T. V. Venkatesha1M. K. Punith Kumar2Department of Chemistry, School of Chemical Sciences, Jnana Sahyadri Campus, Kuvempu University, Shankaraghatta, Karnataka 577451, IndiaDepartment of Chemistry, School of Chemical Sciences, Jnana Sahyadri Campus, Kuvempu University, Shankaraghatta, Karnataka 577451, IndiaDepartment of Chemistry, School of Chemical Sciences, Jnana Sahyadri Campus, Kuvempu University, Shankaraghatta, Karnataka 577451, IndiaThe corrosion inhibition effect of Rabeprazole sulfide (RS) on mild steel in 1 M hydrochloric acid (HCl) was investigated using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and chronoamperometric measurements. Protection efficiency of RS increases with the concentration and decreases with the rise in temperature. Adsorption of RS on mild steel surface in 1 M HCl follows Langmuir adsorption isotherm. The kinetic and thermodynamic parameters governing the adsorption process were calculated and discussed. The polarization results suggest that RS performed as an excellent mixed-type inhibitor for mild steel corrosion in 1 M HCl.http://dx.doi.org/10.1155/2013/714372
spellingShingle M. K. Pavithra
T. V. Venkatesha
M. K. Punith Kumar
Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution
International Journal of Electrochemistry
title Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution
title_full Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution
title_fullStr Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution
title_full_unstemmed Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution
title_short Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution
title_sort inhibiting effects of rabeprazole sulfide on the corrosion of mild steel in acidic chloride solution
url http://dx.doi.org/10.1155/2013/714372
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