کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5409163 1506542 2017 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Inhibition of acid corrosion of carbon steel using four imidazolium tetrafluoroborates ionic liquids
ترجمه فارسی عنوان
مهار خوردگی اسید فولاد کربن با استفاده از چهار مایع منیزیم تترافلوروبورتاییمیدازولیوم
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
چکیده انگلیسی
In the present paper, four ionic liquids namely:3-Decyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate (IL1), 3-Dodecyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate (IL2), 3-Decyl-1,2-dimethyl-1H-imidazol-3-ium tetrafluoroborate (IL3) and 3-Dodecyl-1,2-dimethyl-1H-imidazol-3-ium tetrafluoroborate (IL4), were synthesized, characterized and tested as corrosion inhibitors for carbon steel in 1.0 M HCl solution. The molecular structure and characterizations of these ionic liquids were confirmed by elemental analysis, FTIR, X-Ray Diffraction (XRD), thermo gravimetric analysis (TGA) and 1H NMR spectroscopy. The corrosion performance of the ionic liquids was evaluated by using polarization and electrochemical impedance spectroscopy (EIS) measurements. The compounds presented relatively good inhibition efficiencies at 200 ppm. The order of the inhibition efficiency is as follows: IL4 > IL3 > IL2 > IL1. The adsorption of the studied ionic liquids obeyed the Temkin adsorption isotherm.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Liquids - Volume 229, March 2017, Pages 396-404
نویسندگان
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