Analysis of Nitrite using a Voltammetric Sensors Employing NiO Nanoparticle Modified Carbon paste Electrode

被引：0
|
作者：
Rudbaraki, Ali [1 ]
Khalilzadeh, Mohammad A. [1 ]
机构：
[1] Islamic Azad Univ, Sari Branch, Dept Food Sci, Sari, Iran
来源：
ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY | 2016年 / 8卷 / 06期
关键词：
Nitrite analysis; Modified electrode; NiO nanoparticles; Voltammetry;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A carbon paste electrode modified with NiO nanoparticles (CPE-M-NiO/NPs) was fabricated and used as a high performance sensor for nitrite (NT). CPE-M-NiO/NPs was prepared by mixing NiO/NPs, graphite powder and liquid paraffin together. The CPE-M-NiO/NPs showed electrocatalytic activity to the electro-oxidation of NT, and an irreversible oxidation peak appeared at 0.90 V with improved peak current. The linear response range was found to be 0.8-1100 mu M. Detection limit (3 sigma) of NT was found to be 0.3 mu M by square wave voltammetry (SWV) method. The CPE-M-NiO/NPs was successfully applied for the determination of NT in food samples.
引用
收藏
页码：741 / 748
页数：8
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