Application of Poly(biscyanopropylsiloxane) in Surface Acoustic Wave Sensors to Organophosphorus Chemical Warfare Agent Detection

被引：0

作者：

Grabka, Micha ^{[1
]}

Jasek, Krzysztof ^{[1
]}

Choma, Jerzy ^{[1
]}

机构：

[1] Wojskowa Akad Tech J Dabrowskiego Warszawie, Wydzial Nowych Technol & Chem, Ul Gen W Urbanowicza 2, PL-00908 Warsaw, Poland

来源：

OCHRONA SRODOWISKA | 2018年 / 40卷 / 02期

关键词：

Analytical chemistry; surface acoustic wave (SAW) chemical sensors; chemical warfare agent (CWA) detection; SAW SENSOR; PARTITION-COEFFICIENTS; SELECTIVITY; RESPONSES; POLYMERS; DESIGN; AMINO; ARRAY; DIOL;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The paper investigates applicability of poly(biscyanopropylsiloxane) (PCNPS) as a chemosensitive coating agent for surface acoustic wave (SAW) sensors to organophosphorus chemical warfare agent (CWA) detection. The polymer was deposited on SAW resonators by vacuum evaporation. Sensor sensitivity to organophosphorus compounds was investigated using dimethyl methylphosphonate (DMMP) vapors via sensor frequency and amplitude response testing. Also, other substances from the set (heptane, triethylamine (TEA), acetonitrile (ACN), dimethylformamide (DMF), n-butanol) were tested as potential interference factors. Excellent sensitivity of frequency signal was achieved (about 500Hz/ppm) against DMMP. Sensitivity toward the remaining test substances, except for DMF, was comparable to the noise level. Low glass transition temperature of the PCNPS phase, corresponding to good dynamic properties of the sensors, indicates suitability of this phase for application in SAW sensors.

引用

页码：9 / 16

页数：8

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