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AQUEOUS EXTRACT OF LEAVES OF ZIZIPHUS AS AN ECO-FRIENDLY INHIBITOR FOR THE CORROSION OF MILD STEEL IN POTABLE WATER | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 11, Issue 1, 2011, Pages 160-171 | ||
| Authors | ||
| Ahmed F.Hamza; Sura K. Mohamed Hussein | ||
| Abstract | ||
| ABSTRACT The inhibitive effect of the aqueous extract of Ziziphus leaves on the corrosion of mild steel in drinking water have been investigated by using an electrochemical polarization and weight loss method. The results obtained shows, that, the extract of leaves of Ziziphus could work as an effective inhibitors against the corrosion of steel in drinking water network. The inhibition percentage increases with the increasing of the leaves of Ziziphus concentration at 30°C. The inhibitor percentage efficiency above (98 %) was attained at extract of Ziziphus leaves concentration (1% v/v). The inhibition efficiencies of the extract of leaves of Ziziphus obtained from weight loss method and polarization measurements were in good agreement. electrochemical polarization studies clearly reveal that the extract of leaves of Ziziphus behaves predominantly as an anodic inhibitor. The study also shows that the inhibition efficiency was insignificantly affected by the temperature rise of the medium. | ||
| Keywords | ||
| corrosion; inhibition; organic inhibitor; extract of leaves of Ziziphus | ||
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