On the importance of time-resolved electrochemical evaluation in corrosion inhibitor-screening studies
P. Taheri (TU Delft - Team Peyman Taheri)
Ingrid Milošev (Jozef Stefan Institute)
Mats Meeusen (TU Delft - (OLD) MSE-6)
Barbara Kapun (Jozef Stefan Institute)
Paul White (CSIRO Manufacturing, Victoria)
Anton Kokalj (Jozef Stefan Institute)
J.M.C. Mol (TU Delft - Team Arjan Mol)
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Abstract
Efficiency of corrosion inhibitors in aqueous solutions depends on several interfacial parameters, which may vary over time. Therefore, reliable electrochemical techniques are demanded for screening the efficiency of corrosion inhibitors and monitoring their performance over time. Here, we evaluate corrosion inhibition efficiency of imidazole-based compounds on bare Cu surfaces and highlight the importance of electrochemical evaluation of the inhibitor over time, characterized by linear polarization resistance techniques as a reliable, instantaneous and non-invasive method for assessing intrinsic inhibitor performance in lab screening studies.
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