ODOR SENSING BY SEMICONDUCTOR-METAL OXIDES

被引:27
作者
EGASHIRA, M
SHIMIZU, Y
机构
[1] Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University, Nagasaki, 852
关键词
D O I
10.1016/0925-4005(93)85422-7
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Attempts have been made to enhance the gas sensitivity of semiconductor metal oxides to trimethylamine (TMA), which is a typical offensive odor. The resistance level in air, catalytic activity and thickness of the sensor material are found to be important sensitivity-determining factors. Further investigations have revealed potential advantages of TMA gas sensors in detecting fish freshness.
引用
收藏
页码:443 / 446
页数:4
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