Abstract
In this work, pyridinium dibromide (2) was synthesized and its structure was confirmed using spectroscopic techniques. Compound (2) was successfully applied as a corrosion inhibitor for C1010 carbon steel in 3.5% NaCl solution at 25°C. Different electrochemical measurements such as potentiodynamic polarization (PDP), and electrochemical impedance spectroscopy (EIS) were used to evaluate different concentrations of the suggested inhibitor (2). The results showed that inhibition efficiencies obtained from EIS curves are in consistence with the results of PDP at higher concentration 4.5 × 10–4 M. Semi-empirical calculations with PM3 method was used to find relationship between molecular structure and inhibiting effect of suggested inhibitor (2).
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Shihab, M.S., Nazari, M.H. & Fay, L. Study of inhibition effect of pyridinium salt derivative on corrosion of C1010 carbon steel in saline solution. Prot Met Phys Chem Surf 52, 714–720 (2016). https://doi.org/10.1134/S2070205116040213
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DOI: https://doi.org/10.1134/S2070205116040213