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article · Moroccan Journal of chemistry

Evaluation of Ammi visnaga extract as an eco-friendly inhibitor for mild steel corrosion in H2SO4 medium

2025Open accessIbn Tofail University

Abstract

Using methods like electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, high-performance liquid chromatography (HPLC), ultraviolet-visible (UV-Vis) spectroscopy, and scanning electron microscopy (SEM), the effects of Ammi visnaga extract (AVE) as an environmentally friendly inhibitor on mild steel corrosion in 0.5 M H2SO4 were investigated. According to the data, the inhibitory effectiveness rose as the concentration of AVE increased and decreased with increasing temperature. At 0.4 g/l and 298 K, EIS's inhibition performance was 90.7 %. AVE exhibited the characteristics of a mixed-type inhibitor. Both chemical and physical adsorption were demonstrated by the adsorption, which followed the Langmuir adsorption isotherm.

Research topics

  • Corrosion Behavior and Inhibition
  • Electrodeposition and Electroless Coatings
  • Hydrogen embrittlement and corrosion behaviors in metals

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DOI: 10.48317/imist.prsm/morjchem-v14i2.57015

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