Corrosion inhibition properties of the oil extracted from the leaves of Eruca sativa for carbon steel in acidic medium

Abstract

The aim of the current research is to explore the potential corrosion inhibitory properties of the natural oil extracted from Eruca sativa leaves (OESL) on carbon steel (CS) in HCl (1.0 M). Scanning electron microscopy (SEM) was used for studying the surface morphological changes of carbon steel (CS) samples. Various experimental techniques such as mass loss and electrochemical techniques were employed to investigate the efficiency of OSEL as corrosion inhibitor. The adsorption nature of the OSEL onto the carbon steel surface was found to follow the Langmuir isotherm model. Furthermore, the data obtained from the electrochemical experiments indicated that the OSEL inhibitor behaves as a mixed-type inhibitor