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September 19, 2025Revista de MetalurgiaOpen Access

Electrochemical evaluation of expired antirheumatic and anti-inflammatory drug (Ardosons) as corrosion inhibitor for API 5L X65 steel in 1M HCl aqueous solution

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Authors

JRJ.A. Ramírez-CanoAEAraceli Espinoza-VázquezKCKathya Raemy Campos-Anaya

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Overview

This study evaluates the corrosion inhibitor potential of Ardosons for X65 steel in HCl, revealing its effectiveness at different temperatures.

Key Points

  • The expired drug Ardosons shows up to 77.1% corrosion inhibition efficiency for X65 steel in 1M HCl at 25°C.
  • Electrochemical Impedance Spectroscopy and Potentiodynamic Polarization Curves provided critical insights into corrosion protection.
  • The study indicates that Ardosons acts as a mixed corrosion inhibitor, forming a protective layer on X65 steel.
  • Thermodynamic analysis shows adsorption corresponds to physisorption, following Langmuir isotherm with ΔG°ads values of −19.06 kJ⸳mol−1.

Cite This Study

Ramírez-Cano et al. (2025) studied this question.

synapsesocial.com/papers/68d43c81713b0b5dfea7bf5dhttps://doi.org/10.3989/revmetalm.e263.1631
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