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Application Of Essential Oil Of Artemisia Herba Alba As Green Corrosion Inhibitor For Steel In 0.5 M H2so4

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Author Info
O. OUACHIKH (Laboratoire de Chimie Appliquée et Environnement, Faculté des Sciences, 60000 Oujda, Morocco)
A. BOUYANZER (Laboratoire de Chimie Appliquée et Environnement, Faculté des Sciences, 60000 Oujda, Morocco)
M. BOUKLAH (Laboratoire de Chimie Appliquée et Environnement, Faculté des Sciences, 60000 Oujda, Morocco)
J.-M. DESJOBERT (UMR CNRS 6134, Laboratoire de Chimie des Produits Naturels, Université de Corse, France)
J. COSTA (UMR CNRS 6134, Laboratoire de Chimie des Produits Naturels, Université de Corse, France)
B. HAMMOUTI () (Laboratoire de Chimie Appliquée et Environnement, Faculté des Sciences, 60000 Oujda, Morocco)
L. MAJIDI (Laboratoire des Substances Naturelles & Synthèse et Dynamique Moléculaire, Faculté des Sciences et Techniques, Errachidia, Morocco)
Abstract

Essential oil from Artemisia herba alba (Art) was hydrodistilled and tested as corrosion inhibitor of steel in 0.5 M H2SO4 using weight loss measurements and electrochemical polarization methods. Results gathered show that this natural oil reduced the corrosion rate by the cathodic action. Its inhibition efficiency attains the maximum (74%) at 1 g/L. The inhibition efficiency of Arm oil increases with the rise of temperature. The adsorption isotherm of natural product on the steel has been determined. A. herba alba essential oil was obtained by hydrodistillation and its chemical composition oil was investigated by capillary GC and GC/MS. The major components were chrysanthenone (30.6%) and camphor (24.4%).

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Article provided by World Scientific Publishing Co. Pte. Ltd. in its journal Surface Review and Letters.

Volume (Year): 16 (2009)
Issue (Month): 01 ()
Pages: 49-54
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Handle: RePEc:wsi:srlxxx:v:16:y:2009:i:01:p:49-54

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Related research
Keywords: Artemisia; adsorption; corrosion; inhibition; steel;

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