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Chevalier, M.; Roos, C.; Tomi, F.; Sutour, S.; Lebrini, M. |
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Title |
Corrosion inhibition of C38 steel in 1M HCl media by alkaloidic extract from Xylopia frutescens amazonian tree |
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Conference Article |
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2015 |
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ECS Transactions |
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64 |
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26 |
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1-28 |
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The use of Xylopia frutescens extract as a C38 steel corrosion inhibitor in 1 M HCl solution was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) methods. Potentiodynamic polarization curves indicated that Xylopia frutescens extract behaves as mixed-type inhibitor. Graphical methods are illustrated by synthetic data to determine the parameter of CPE (α Q). The adsorption of the extract constituents was further discussed in view of angmuir adsorption isotherm. The effect of temperature on the inhibition efficiency was investigated using EIS and potentiodynamic polarization. SEM and EDX observations confirmed the existence of protective inhibitor film on metal surface. © The Electrochemical Society. |
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Université de Corse-CNRS, UMR 6134 SPE, Equipe Chimie et Biomasse, Route des Sanguinaires, Ajaccio, France |
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Export Date: 11 June 2015 |
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EcoFoG @ webmaster @ |
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247 |
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