This study demonstrates corrosion inhibition in medium carbon steel with saussurea costus extract, suggesting effective protection against acidic corrosion.
This study investigates the corrosion inhibition of medium carbon steel in 1 M HCl using the weight loss method to analyze reaction kinetics and corrosion rates. Saussurea costus extract formed a protective layer on the metal surface, effectively mitigating acidic corrosion, with inhibition efficiency increasing at higher concentrations. Kinetic and thermodynamic adsorption studies revealed adsorption following the Langmuir isotherm via a physisorption mechanism, as confirmed by an adsorption free energy (ΔG°ads) of -38.35 kJ/mol. These findings provide valuable insights for developing efficient and sustainable acidic corrosion inhibitors.
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Farhat et al. (2025) studied this question.
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