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مقالات فارسیISIکنفرانسهاژورنالها

Electrochemical Determination of Lead and Copper Ions by Using UiO-۶۶/TiO۲-Carbon Paste Electrode

محل انتشار: Iranian Journal of Chemistry and Chemical Engineering، دوره: 44، شماره: 2
سال انتشار: 1404
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 36

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لینک ثابت به این مقاله:
https://civilica.com/doc/2280566

شناسه ملی سند علمی:

JR_IJCCE-44-2_005

تاریخ نمایه سازی: 16 خرداد 1404

چکیده مقاله:

In this study, carbon paste fabricated and modified a novel sensitive voltammetric sensor based on UiO-۶۶/TiO۲ 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)۶]۳-/۴-solution and represented good electrocatalytic activity due to the synergy result of TiO۲ and UiO-۶۶. For quantitative analyses, differential pulse voltammetry was used under optimal conditions. The calibration curves show linear response in the concentration range of ۲-۱۰۰ μM with the lowest limit of detection of ۰.۸۵۱ µM and ۰.۴۳۶ µM were obtained for Pb۲+ and Cu۲+, respectively. The sensor exhibited high sensitivity and selectivity, good reproducibility, desirable stability, and excellent performance in real samples.

کلیدواژه ها:

Carbon paste electrode ، Electrochemical sensor ، heavy metals ، Metal-organic framework

نویسندگان

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

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