Volume 23 Preprint 61


Inhibition of Mild Steel Corrosion in Hydrochloric Acid Environment by 1-Amino-2-mercapto-5-(4-(pyrrol-1-yl)phenyl)-1,3,4-triazole

Ahmed Al-Amiery, T. Gaaz, M. Takrif and A. Kadhum

Keywords: Mild steel, corrosion, inhibition, AMPPT, triazole, Langmuir

Abstract:
<p class="MsoNormal" style="text-align:justify;text-justify:kashida;text-kashida: 0%">New corrosion inhibitor derived from triazole have been synthesized and fully characterized by spectroscopically techniques (FT-IR and NMR) and CHN analysis. The inhibition effect of 1-Amino-2-mercapto-5-(4-(pyrrol-1-yl)phenyl)-1,3,4-triazole (AMPPT) on mild steel corrosion in 1 M hydrochloric acid medium was investigated by using weight loss techniques. AMPPT has significant inhibition efficiency on the corrosion of mild steel in a corrosive medium. The weight loss measurements indicated that the inhibition efficiency of AMPPT as a corrosion inhibitor increase with the concentration and decreases with rising temperature. The adsorption of AMPPT molecules on the surface of mild steel follows Langmuir adsorption isotherm. The experimental findings were supported by the scanning electron microscopy (SEM) technique.</p>

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