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Comparative Study of Corrosion Inhibition of Commiphora caudata and Digera muricata for Mild Steel in 1 M HCl Solution

https://doi.org/10.14233/ajchem.2016.19283
S. Aejitha
Research and Development Centre, Bharathiar University, Coimbatore-641 046, India
P.K. Kasthuri
Department of Chemistry, L.R.G. Government Arts College for Women, Tirupur-638 604, India
P. Geethamani
Department of Chemistry, Sri Guru Institute of Technology, Coimbatore-641 110, India

Corresponding Author(s) : S. Aejitha

aejithamohan@gmail.com

Asian Journal of Chemistry, Vol. 28 No. 2 (2016): Vol 28 Issue 2

Abstract

Commiphora caudata and Digera muricata extracts as corrosion inhibitors for mild steel in 1 M HCl were studied by weight loss and surface analysis techniques. It showed that both plant extracts inhibited the mild steel corrosion. Inhibition efficiency increased with increasing inhibitor concentration and temperature which suggested that the chemical mechanism. The inhibitors adsorbed onto the mild steel surface followed Langmuir adsorption isotherm. The surface morphology of mild steel showed that the addition of the extract reduces the mild steel corrosion.

Keywords

Commiphora caudata Digera muricata Mild steel Langmuir
Aejitha, S., Kasthuri, P., & Geethamani, P. (2015). Comparative Study of Corrosion Inhibition of Commiphora caudata and Digera muricata for Mild Steel in 1 M HCl Solution. Asian Journal of Chemistry, 28(2), 307–311. https://doi.org/10.14233/ajchem.2016.19283
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