Studies of Some Aromatic Compounds for Corrosion Inhibition of Aluminum in Acidic Medium

shanker Lal Meena; Lal chand Yadav

doi:10.54060/jase.v2i2.37

Authors

shanker Lal Meena Department of Chemistry, Jai Narian Vyas University, Jodhpur, Rajasthan, India
Lal chand Yadav Department of Chemistry, Jai Narian Vyas University, Jodhpur, Rajasthan, India

DOI:

https://doi.org/10.54060/jase.v2i2.37

Keywords:

Aluminium, inhibitors, inhibition efficiency, Tafel plot, weight loss

Abstract

The aim of this work is to investigate corrosion inhibition characteristics of Alumi-num in Hydrochloric acid (0.1N) in presence of different concentration(0.2, 0.4% and 0.6%) of two inhibitors namely p-Nitrophenol and Nitrobenzene using Tafel polariza-tion studies and weight loss methods. Open circuit potential, inhibition efficiency, corrosion current and corrosion rate have been determined in the absence and pres-ence of inhibitors at different concentrations such as 0.2, 0.4% and 0.6%.It is ob-served that the inhibition increases with the increase in concentration of the inhibi-tors in acidic media. The experimental data showed that the maximum inhibition performance could reach about 72-78% at the concentration of 0.6%. The inhibition efficiency of the p-Nitrophenol is found to be higher than that of Nitrobenzene.

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