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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۴، شماره ۲، صفحات ۳۹۱-۳۹۹
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عنوان انگلیسی Electrochemical Determination of Lead and Copper Ions by Using UiO-66/TiO2-Carbon Paste Electrode
چکیده انگلیسی مقاله In this study, carbon paste fabricated and modified a novel sensitive voltammetric sensor based on UiO-66/TiO2 MOF nanocomposite through the solvothermal method. The electrode surface morphology and enhancement study were performed through FESEM and FT-IR. The electrochemical behavior of the modified electrode was evaluated using cyclic voltammetry in the [Fe (CN)6]3-/4-solution and represented good electrocatalytic activity due to the synergy result of TiO2 and UiO-66. For quantitative analyses, differential pulse voltammetry was used under optimal conditions. The calibration curves show linear response in the concentration range of 2-100 μM with the lowest limit of detection of 0.851 µM and 0.436 µM were obtained for Pb2+ and Cu2+, respectively. The sensor exhibited high sensitivity and selectivity, good reproducibility, desirable stability, and excellent performance in real samples.
کلیدواژه‌های انگلیسی مقاله Carbon paste electrode,Electrochemical sensor,heavy metals,Metal-organic framework
نویسندگان مقاله Fateme Amiri |
Chemical Engineering Department, Faculty of Engineering, University of Guilan, Rasht, I.R. IRAN

Fereshteh Raouf |
Chemical Engineering Department, Faculty of Engineering, University of Guilan, Rasht, I.R. IRAN

Mostafa Rahimnejad |
Biofuel & Renewable Energy Research Center, Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, I.R. IRAN

Hoda Ezoji |
Biofuel & Renewable Energy Research Center, Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, I.R. IRAN

Kasra Pirzadeh |
Biofuel & Renewable Energy Research Center, Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, I.R. IRAN

Reza Ghasemzadeh |
Chemical Engineering Department, Faculty of Engineering, University of Guilan, Rasht, I.R. IRAN

نشانی اینترنتی https://ijcce.ac.ir/article_718460_75226e16d075bf31d48840879e223f3c.pdf
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