2006•Corrosion & ProtectionRequires access

SYNERGISTIC EFFECT OF TUNGSTATE AND BENZOTRIAZOLE ON CORROSION INHIBITION OF X70 STEEL

Cai Duo-chang

Abstract

The corrosion inhibition behaviors of tungstate or/and benzotriazole(BTA) in 0.03%NaCI solution were studied using polatization curves and electrochemical impedance spectroscopy(EIS).The inhibition efficiency of tungstate was higher than that of BTA.With the concentration ratio of tungstate/BTA being 1∶1 at the total concentration of 2×10~(-3)mol/L,the inhibition efficiency reached the max 83.01%.

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Key concepts: Tungstate, Benzotriazole, Corrosion, Dielectric spectroscopy, Sodium tungstate, Chemistry, Electrochemistry, Inorganic chemistry