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Analytical and Bioanalytical Electrochemistry، جلد ۱۴، شماره ۴، صفحات ۳۷۴-۳۸۴
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عنوان انگلیسی Corrosion Inhibition of Carbon Steel in 1 M HCl using Monopolar Surfactants Derived From 3-Methyl-1,2,4- Triazole-5-Thione
چکیده انگلیسی مقاله In this work, we have synthesized the surfactant compounds derived from 2-(N-Alkyl-3-methyl-1,2,4-triazolthioyl) acetic acid (MTSACCn; n=10, n=11 and n=12). These compounds have been purified and identified using several spectroscopic methods such as 1H NMR; 13C NMR spectroscopy. The molecular aggregation of MTSACCn has been foxed using tensiometer apparatus. The electrochemical study was carried out using a coupling of potentiodynamic and electrochemical impedance methods. The polarization curves indicate that the MTSACCn act as mixed-type inhibitors of carbon steel in 1M HCl solution. The electrochemical impedance spectroscopy measurements showed that all synthesized compounds act by establishing a barrier layer on the steel surface. Therefore, we noted that the inhibition efficiency increases with increasing of concentrations inhibitors. Also, the MTSACC12 is the best inhibitor, its inhibition efficiency reached a maximum value of 95% at 510-4 M. The adsorption of all surfactants studied follows the Langmuir isotherm.
کلیدواژه‌های انگلیسی مقاله Surfactants,1 M HCl solution,1.2.4-triazole-5-thione,Inhibitor,Carbon Steel
نویسندگان مقاله Aithaddou Bouchaib |
Laboratory of Materials, electrochemistry and Environment (LMEE), Department of Chemistry, Faculty of Sciences, Ibn Tofail University, BP 133, 14000, Kénitra, Morocco

Said Elanza |
Laboratory of Organic Synthesis and Process of Extraction, Faculty of Sciences, University Ibn Tofail, Kénitra, Morocco

Chebabe Driss |
Laboratory of Natural Substances & Synthesis and Molecular Dynamic, Faculty of Sciences and Techniques, Moulay Ismail University of Meknes, BP 509, Boutalamine, 52000 Errachidia, Morocco

Oubair Ahmad |
Laboratory of Materials Engineering for the Environment and Natural Ressources, Faculty of Sciences and Techniques, University of Moulay Ismail of Meknès, B.P 509, Boutalamine, 52000, Errachidia, Morocco

Said Ibn Ahmed |
Laboratory of Materials, electrochemistry and Environment (LMEE), Department of Chemistry, Faculty of Sciences, Ibn Tofail University, BP 133, 14000, Kénitra, Morocco

نشانی اینترنتی https://www.abechem.com/article_252039_513e8c0fdac9bace81790382f6adb498.pdf
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