Voltammetric Determination of Nitrite Using Modified Glassy Carbon Electrode

被引：2
|
作者：
Beigmoradi, Fariba [1 ]
Beitollahi, Hadi [2 ]
机构：
[1] Grad Univ Adv Technol, Dept Chem, Kerman 7631818356, Iran
[2] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Environm Dept, POB 76318-18356, Kerman, Iran
来源：
SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY | 2024年 / 60卷 / 01期
关键词：
nitrite; MXene/ZnO/Hb nanocomposite; glassy carbon electrode; real sample analysis; modified electrodes; ELECTROCHEMICAL SENSOR; GOLD NANOPARTICLES; PASTE ELECTRODE; GRAPHENE; NITRATE; SAMPLES; ACID;
D O I：
10.3103/S1068375524010034
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The current study was conducted to measure the concentrations of nitrite by a glassy carbon electrode modified with MXene/La3+ doped ZnO/hemoglobin (Hb) nanocomposite as a new voltammetric sensor. Chronoamperometry, differential pulse voltammetry, and cyclic voltammetry were employed to characterize the modification of the electrode surface. According to the analytical results, the glassy carbon electrode incorporated with MXene/La3+ doped ZnO/Hb nanocomposite was able to detect the presence of different concentrations of nitrite (0.1-700.0 mu M), with the detection limit of 4.0 x 10(-8) M. The proposed sensor can be proposed as acceptable electrochemical detector of nitrite in real samples.
引用
收藏
页码：15 / 23
页数：9
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