Corrosion inhibition potential of methyl-5-benzoyl-2-benzimidazole carbamate (mebendazole) for mild steel in 1.0m sulphuric acid

B Odoni, N Chukwurah
2017 International Journal of Research in Engineering and Innovation   unpublished
In this research, an assessment of the influence of varying concentrations of Methyl-5-benzoyl-2-benzimidazole Carbamate (mebendazole) as an organic corrosion inhibitor for mild steel in 1.0M sulphuric acid solution was investigated. Weight loss, corrosion penetration rate, inhibition efficiency and degree of surface coverage were measured and calculated for various inhibitor concentrations and immersion time intervals. From the analysis of the results obtained, the lowest corrosion penetration
more » ... rrosion penetration rate of 4.059mm/yr with a corresponding maximum inhibition efficiency of 88.42% was achieved by the 2.0g/100mL H2SO4 after 120h (5 days) of the experiment. The results indicated that mebendazole is an effective corrosion inhibitor for mild steel in sulphuric acid medium.
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