Adsorption and Corrosion Inhibition of Mild Steel by ((Z)-4-((2, 4-dihydroxybenzylidene)amino)-5-methy-2, 4 dihydro-3H-1, 2, 4-triazole-3-thione) in 1M HCl: Experimental and Computational Study

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Merimi Imane; Ouadi Yasser El; Rahmani Ansari Kashif; Oudda Hassan; HAMMOUTI BELKHEIR; Quraishi Mumtaz Ahmad; Al blewi Fawzia Faleh; Rezki Nadjet; Aouad Mohamed Reda; Messali Mousslim

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Journal: ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY Year:2017 | Volume:9 | Issue:5 Page(s): 640-659

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Title

Adsorption and Corrosion Inhibition of Mild Steel by ((Z)-4-((2, 4-dihydroxybenzylidene)amino)-5-methy-2, 4 dihydro-3H-1, 2, 4-triazole-3-thione) in 1M HCl: Experimental and Computational Study

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Keywords

Mild steel

Corrosion inhibition

Adsorption

Potentiodynamic polarization

Electrochemical impedance

Quantum chemical calculation

Abstract

The present study aims at investigating the Corrosion inhibition performance of a new triazole inhibitor namely (Z)-4-((2, 4-dihydroxybenzylidene) amino)-5-methy-2, 4-dihydro-3H-1, 2, 4-triazole-3-thione on Mild steel corrosion in 1. 0 M HCl solution using weight loss, Electrochemical impedance spectroscopy, Potentiodynamic polarization measurements and density functional (DFT) methods. The results show that inhibition efficiency increases with increase in the inhibitor concentration and maximum inhibition efficiency of 80. 74% was obtained at a concentration of 10-3 M. The corrosion behavior was also studied in the absence and presence of inhibitor at various concentrations in the temperature range of 318-348 K. Potentiodynamic polarization results showed that the inhibitor is mixed-type. The Nyquist plots showed that on increasing the inhibitor concentration charge-transfer resistance increased and double-layer capacitance values decreased thereby suggesting that Corrosion inhibition is charge transfer controlled process and inhibition occurs due to the Adsorption of inhibitor molecules on the metal surface. The Adsorption of inhibitors followed Langmuir a isotherm Quantum chemical calculations very well supported the experimental results.

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APA: Copy

Merimi, Imane, Ouadi, Yasser El, Rahmani Ansari, Kashif, Oudda, Hassan, HAMMOUTI, BELKHEIR, Quraishi, Mumtaz Ahmad, Al blewi, Fawzia Faleh, Rezki, Nadjet, Aouad, Mohamed Reda, & Messali, Mousslim. (2017). Adsorption and Corrosion Inhibition of Mild Steel by ((Z)-4-((2, 4-dihydroxybenzylidene)amino)-5-methy-2, 4 dihydro-3H-1, 2, 4-triazole-3-thione) in 1M HCl: Experimental and Computational Study. ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY, 9(5), 640-659. SID. https://sid.ir/paper/346542/en

Vancouver: Copy

Merimi Imane, Ouadi Yasser El, Rahmani Ansari Kashif, Oudda Hassan, HAMMOUTI BELKHEIR, Quraishi Mumtaz Ahmad, Al blewi Fawzia Faleh, Rezki Nadjet, Aouad Mohamed Reda, Messali Mousslim. Adsorption and Corrosion Inhibition of Mild Steel by ((Z)-4-((2, 4-dihydroxybenzylidene)amino)-5-methy-2, 4 dihydro-3H-1, 2, 4-triazole-3-thione) in 1M HCl: Experimental and Computational Study. ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY[Internet]. 2017;9(5):640-659. Available from: https://sid.ir/paper/346542/en

IEEE: Copy

Imane Merimi, Yasser El Ouadi, Kashif Rahmani Ansari, Hassan Oudda, BELKHEIR HAMMOUTI, Mumtaz Ahmad Quraishi, Fawzia Faleh Al blewi, Nadjet Rezki, Mohamed Reda Aouad, and Mousslim Messali, “Adsorption and Corrosion Inhibition of Mild Steel by ((Z)-4-((2, 4-dihydroxybenzylidene)amino)-5-methy-2, 4 dihydro-3H-1, 2, 4-triazole-3-thione) in 1M HCl: Experimental and Computational Study,” ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY, vol. 9, no. 5, pp. 640–659, 2017, [Online]. Available: https://sid.ir/paper/346542/en

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