Electrochemical detection of nitrite using screen printed graphite electrode modified by ION/rGO

被引：0

作者：

Ghezal, Amira ^{[1
]}

Al-Hamry, Ammar ^{[2
]}

Bouhamed, Ayda ^{[2
]}

Azzouzi, Sawsen ^{[1
]}

Paterno, Leonardo G. ^{[3
]}

Ben Ali, Mounir ^{[1
]}

Kanoun, Olfa ^{[2
]}

机构：

[1] Univ Sousse, Higher Inst Appl Sci & Technol Sousse, Elect Dept, Sousse, Tunisia

[2] Tech Univ Chemnitz, Professorship Measurement & Sensor Technol, Chemnitz, Germany

[3] Univ Brasilia, Inst Quim, Lab Pesquisa Polimeros & Nanomat, Brasilia, DF, Brazil

来源：

2019 16TH INTERNATIONAL MULTI-CONFERENCE ON SYSTEMS, SIGNALS & DEVICES (SSD) | 2019年

关键词：

Iron Oxide-reduced graphene oxide nanocomposites; Electrochemical detection; Nitrite sensor; REDUCED GRAPHENE OXIDE; NANOPARTICLES; REDUCTION; PLATFORM; NITRATE; SENSOR; COPPER;

D O I：

10.1109/ssd.2019.8893155

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, an electrochemical sensor based on iron oxide-reduced graphene oxide nanocomposite screen printed graphite electrode (ION-rGO) has been developed for selective detection of nitrite ions in drinking water using differential pulse voltammetry (DPV). The proposed nitrite electrochemical sensor exhibited a relative standard deviation of 4.37% for three replicate analysis of 10-3 mol L-1 NO2. In addition, the fabricated sensor has been successfully employed for determining the NO2 displays high electrochemical stability for NO2 oxidation over the pH 6.5, high sensitivity and low limit of detection of 1.2 x 10(-4) mol L-1 with good selectivity, stability, and reproducibility. These results demonstrate that the facile metal oxide-rGO-modified electrochemical sensor has promising applications for the determination of nitrite in water.

引用

页码：611 / 614

页数：4

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