Corrosion Behaviour of Mild Steel in Acidic Medium in Presence of Aqueous Extract of Clitoria Ternatea StemJournal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.2, No. 10)
Publication Date: 2013-10-30
Authors : S.Ananth Kumara; A.Sankar;
Page : 2685-2689
Keywords : Inhibitor; Mass loss; Impedance; Polarization; Clitoria ternata.;
The corrosion inhibitive action of flower extracts of clitoria ternatea stem on mild steel corrosion in 0.5 M H2SO4 solution was studied using weight loss method, potentiodynamic polarization and EIS measurements. The results obtained indicate that the extracts functioned as good inhibitors in 0.5 M H2SO4 solution. Inhibition efficiency was found to increase with extract concentration. The adsorption of constituents in the plant extract on the surface of the metal is proposed for the inhibition behavior.
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