Automatic Monitoring Electronic Tongue with MEAs for Environmental Analysis

稀有金属材料与工程, 2006, 35(z2): 381-384.

Shaofang Zou ^1, , Hong Men ^2, , Yi Li ^3, , Yinping Wang ^4, , Ping Wang ^5,

1.Biosensor National Special Laboratory, Key Laboratory of Biomedical Engineering of Education Ministry,Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China;State Key Laboratory of Transducer Technology, Chinese Academy of Scien

2.Biosensor National Special Laboratory, Key Laboratory of Biomedical Engineering of Education Ministry,Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China

3.Biosensor National Special Laboratory, Key Laboratory of Biomedical Engineering of Education Ministry,Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China

4.Biosensor National Special Laboratory, Key Laboratory of Biomedical Engineering of Education Ministry,Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China

5.Biosensor National Special Laboratory, Key Laboratory of Biomedical Engineering of Education Ministry,Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China;State Key Laboratory of Transducer Technology, Chinese Academy of Scien

基金项目: This research was supported by the National High Technology Project of China (grant no: 2001AA635060,2003AA635010)

Automatic Monitoring Electronic Tongue with MEAs for Environmental Analysis

Keywords： electronic tongue

An automatic monitoring electronic tongue based on differential pulse stripping voltammetry (DPSV) was developed for heavy metals analysis. Simultaneous detections of trace Zn(Ⅱ), Cd(Ⅱ), Pb(Ⅱ), Cu(Ⅱ), Fe(Ⅲ) and Cr(Ⅲ) in water samples were performed with three electrochemical sensors. The sensor chip combined a silicon-based Hg-coated Au microelectrode array (MEA) as the working electrode on one side with an Ag/AgCl reference electrode and a Pt counter electrode on the other side. With a computer controlled multipotentiostat, pumps and valves, the electronic tongue realized in-situ real-time detection of the six metals mentioned above at parts-per-billion level without manual operation.

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Automatic Monitoring Electronic Tongue with MEAs for Environmental Analysis

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