Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2010 Vol: 2 Issue: 4

Investigation of the Inhibitive Properties of the Aqueous Extract of Tamarix gallica L on the Corrosion of Mild Steel in H2SO4 Medium

Abstract

The inhibitive action of aqueous extract of tamarix gallica on the corrosion of mild steel in 1m sulphuric acid was assessed by weight-loss method and polarization technique. polarization curves revealed that the plant extract behave as mixed-type inhibitors. inhibition efficiency increased with extract concentration up to a critical value. the results show that the extract solution of the plant could serve as an effective inhibitor for the corrosion of steel in sulphuric acid medium.