Abstract

Corrosion inhibition by triazole derivatives ( n-PAT) on mild steel in phosphoric acid (H 3PO 4) solutions has been investigated by weight loss and polarization methods. The results indicate that these compounds act as mixed-type inhibitors retarding the anodic and cathodic corrosion reactions with emphasis on the former and do not change the mechanism of either hydrogen evolution reaction or mild steel dissolution. Some kinetic parameters are obtained.

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