An amperometric ethanol sensor based on foam nickel electrode

被引：0
|
作者：
Mei Wan
Zhenjing Zhuang
Jianyuan Dai
Dan Xiao
机构：
[1] Sichuan University,College of Chemistry
[2] Sichuan University,College of Chemical Engineering
来源：
Russian Journal of Electrochemistry | 2011年 / 47卷
关键词：
ethanol; sensor; foam nickel electrode; amperometric detection;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An amperometric sensor using foam nickel electrode as the working electrode for the measurement of ethanol in alkaline solution has been developed. Cyclic voltammetry and chronoamperometry are employed to analyze electrochemical behavior of the electrode. The results show that the oxidation of ethanol is more efficient on the foam nickel electrode than that on the nickel foil electrode. The sensor exhibits a good linear relationship between response current and ethanol concentration in the range of 4 to 1400 ppm with a detection limit of 0.8 ppm. The sensitivity and the response time of the sensor are 4.63 μA/ppm and 10 s respectively. Additionally, the sensor has 60 days shelf-life time at least.
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页码：96 / 101
页数：5
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