ANAND B, Vidyadharani G and Shobana S
Keywords: “Mild steel, Corrosion, Inhibitors, Adsorption, Polarization”
Formazan derivatives of p-dimethyl amino benzaldehyde (FD), and Formazan of benzaldehyde (FB) was studied to control the corrosion of Mild Steel (MS) material in one molar sulphuric acid. The results were analyzed by means of weight loss measurements, Tafel Polarization, AC impedance and surface morphological studies. The results showed that the compound FD and FB act as mixed-type inhibitors. Competence of the inhibitor mainly depends on the nature of the premeditated organic compounds and the construction of their protective film. FD shows high inhibition efficiency than FB. Molecular docking studies revealed that the compounds form a intercalation in minor to moderate grooves with the sequence (CGCGAATTCGCG)2 binds to A–T rich regions.
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