Quantum Chemical Assessment of the Interaction of Potential Anticorrosion Additives with Steel Surface

Author(s):  
Ime B. Obot
2011 ◽  
Vol 75 (7) ◽  
pp. 1933-1941 ◽  
Author(s):  
Andrea Michalkova ◽  
Yana Kholod ◽  
Dmytro Kosenkov ◽  
Leonid Gorb ◽  
Jerzy Leszczynski

1985 ◽  
Vol 32 (4) ◽  
pp. 2731-2732 ◽  
Author(s):  
Kazuyoshi Tanaka ◽  
Shozo Yamanaka ◽  
Tsuneaki Koike ◽  
Tokio Yamabe

2013 ◽  
Vol 56 (6) ◽  
pp. 209-214 ◽  
Author(s):  
V. N. Petukhov ◽  
N. L. Medyanik ◽  
Kh. Ya. Girevaya ◽  
D. A. Kubak

2021 ◽  
Vol 65 (1) ◽  
pp. 12-22
Author(s):  
Shaimaa B. Al-Baghdadi ◽  
Ahmed A. Al-Amiery ◽  
Tayser S. Gaaz ◽  
Abdul Amir H. Kadhum

Abstract Most organic corrosion inhibitors have polar groups through which the molecule can be adsorbed strongly or specifically on the metal surface. In this investigation, terephthalo- hydrazide and isophthalohydrazide were synthesized as corrosion inhibitors, and their corrosion-inhibiting properties on mild steel were evaluated in a corrosive environment by weight loss measurements. The results of corrosion experiments revealed that terephthalohydrazide and isophthalohydrazide as inhibitors controlled or reduced corrosion through adsorption mechanism and showed inhibitive efficiencies of 96.4 % and 97.2 %, respectively, at the optimum concentration of 0.5 mM. The surface morphology of the metal was evaluated by scanning electron microscopy. The terephthalohydrazide or isophthalohydrazide molecules were adsorbed on the mild steel surface, and the process of adsorption follows chemical adsorption. Quantum chemical calculations of the tested corrosion inhibitors were consistent with the experimental observations.


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