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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