DESALINATION Desalination 247 (2009) 561–572 www.elsevier.com/locate/desal The Inhibition of aluminium corrosion in hydrochloric acid solution by exudate gum from Raphia hookeri S.A. Umorena, I.B. Obota,*, E.E. Ebensob,c,d, N.O. Obi-Egbedib a Department of...
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DESALINATION Desalination 247 (2009) 561–572 www.elsevier.com/locate/desal The Inhibition of aluminium corrosion in hydrochloric acid solution by exudate gum from Raphia hookeri S.A. Umorena, I.B. Obota,*, E.E. Ebensob,c,d, N.O. Obi-Egbedib a Department of Chemistry, Faculty of Science, University of Uyo, Uyo, Nigeria. b Department of Chemistry, University of Ibadan, Ibadan, Nigeria. c Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Roma 180, Lesotho, Southern Africa. d Department of Chemistry, North West University (Mafikeng Campus), Private Bag X2046, Mmabatho 2735, South Africa. Tel: +234 8023223256; email: proffoime@yahoo.com Received 18 June 2007; accepted 23 September 2008 Abstract The corrosion inhibition of aluminium in HCl solution in the presence of exudate gum from Raphia hookeri at temperature range of 30–608C was studied using weight loss and thermometric techniques. The exudate gum acts as an inhibitor in the acid environment. The inh
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