Abstract
In the present study, the inhibition performance of mild steel by cherimoya seeds extract was investigated using weight loss measurements, electrochemical techniques, and scanning electron microscope (SEM) coupled with energy‐dispersive X‐ray spectroscopy (EDX). The experimental data suggested that the cherimoya seeds exhibited a high inhibition performance, which increases with increasing their concentrations. Cherimoya seeds extract present maximum inhibition efficiency of 94% at an optimal concentration of 1g/L. The principal observations that resulted from electrochemical studies are that cherimoya seeds affected both anodic and cathodic reactions (mixed inhibitors). Their adsorption, which is a combination of chemisorption and physisorption, obeyed the Langmuir isotherm model. Furthermore, the temperature effect was carried out at various temperatures ranging from 303 to 328 K to verify the corrosion inhibition performance of cherimoya seeds at higher temperatures. Moreover, SEM‐EDX analysis confirmed that cherimoya seeds can ensure remarkable prevention against corrosion through the adsorption onto the metal surface.
Published Version
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