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<p>This work investigates the corrosion inhibition performance of 1-mesitylethanone thiosemicarbazone (MTSC) towards mild steel in 1 M HCl solution, demonstrates its novel application as an eco-friendly and cost-effective organic inhibitor. The investigation employed potentiodynamic polarization (PDP), and electrochemical impedance spectroscopy (EIS) to evaluate the inhibitory performance of MTSC. Different concentrations of MTSC (0.1–0.5&#xa0;mM) were tested during a 5&#xa0;h immersion period at 303&#xa0;K. The results reveal that MTSC significantly reduces corrosion rates, with inhibition efficiency increasing proportionally with concentration, achieving a maximum efficiency of 92% at 0.5&#xa0;mM. The novelty of this study lies in the use of MTSC, a commercially accessible and easily synthesized compound, which demonstrates high inhibition efficiency through strong adsorption onto the mild steel surface. This suggests MTSC as a promising, environmentally friendly alternative to traditional corrosion inhibitors for protecting mild steel in acidic environments.</p>

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Evaluation of 1-Mesitylethanone Thiosemicarbazone as a Corrosion Inhibitor for Mild Steel in 1 M HCl: Electrochemical Analysis

  • 期刊论文

  • 发表日期：

    2025年3月14日

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  • S. M. N. Ahmed,
  • M. H. Abdulkareem,
  • F. N. Al Zubaidi,
  • F. F. Sayyid,
  • A. M. Mustafa,
  • A. Alamiery,
  • A. H. Kadhum

摘要

This work investigates the corrosion inhibition performance of 1-mesitylethanone thiosemicarbazone (MTSC) towards mild steel in 1 M HCl solution, demonstrates its novel application as an eco-friendly and cost-effective organic inhibitor. The investigation employed potentiodynamic polarization (PDP), and electrochemical impedance spectroscopy (EIS) to evaluate the inhibitory performance of MTSC. Different concentrations of MTSC (0.1–0.5 mM) were tested during a 5 h immersion period at 303 K. The results reveal that MTSC significantly reduces corrosion rates, with inhibition efficiency increasing proportionally with concentration, achieving a maximum efficiency of 92% at 0.5 mM. The novelty of this study lies in the use of MTSC, a commercially accessible and easily synthesized compound, which demonstrates high inhibition efficiency through strong adsorption onto the mild steel surface. This suggests MTSC as a promising, environmentally friendly alternative to traditional corrosion inhibitors for protecting mild steel in acidic environments.