Semiconductor gas sensing coupled with pre-sampling system for toxic compounds and chemical threat agents detection

被引:0
|
作者
Krivetskiy, V. [1 ]
Logvin, L. [1 ]
Smirnov, A. [1 ]
Gaskov, A. [1 ]
Panteleev, M. [2 ]
机构
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow, Russia
[2] Moscow MV Lomonosov State Univ, Dept Mat Sci, Moscow, Russia
基金
俄罗斯基础研究基金会;
关键词
semiconductor; gas sensor; sensitivity; selectivity; public security; pre-sampling; SURFACE-CHEMISTRY; METAL-OXIDES; SELECTIVITY; CATALYSIS; OXYGEN;
D O I
暂无
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
An innovative approach of sensitive and selective detection of trace amounts of chemical threat agents is presented in this work. The technology deals with semiconductor metal oxide gas sensors as a means of express gas detection, coupled with pre-sampling system, which is to improve sensitivity and selectivity of analysis. Examples for H2S, DMMP (phosphor-organic weapons simulant) and UDMH (highly toxic rocket engine fuel constituent) sensor detection with aided by pre-sampling system are given. The issues of sensor and adsorbent materials selection and their working parameters are discussed.
引用
收藏
页码:131 / 134
页数:4
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