Evaluation of the synergistic combination effect of four chemical compounds on the corrosion inhibition of carbon steel in dilute acid solutions
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Synergistic combination of organic derivatives provide insight on alternative application of known chemical compounds for corrosion inhibition. The electrochemical corrosion inhi- bition of the combined admixture of vanillin and 1, 4-diaminobenzene (VDB), and vanillin with sodium molybdenum oxide (VSMO) on carbon steel in 1 M H 2 SO 4 and HCl solutions was evaluated with weight loss measurement. Results show VDB performed more effec- tively in both acids with average inhibition efficiency above 85% in HCl and 90% in H 2 SO 4 compared to VSMO whose average inhibition efficiency is slightly above 70% in HCl
Keywords
T Technology (General), TJ Mechanical engineering and machinery