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Vol. 113, Issue 2, February 2010, pp. 41-47

 

Bullet

 

Epoxy Resin Modified Quartz Crystal Microbalance Sensor for Chemical Warfare Agent Sulfur Mustard Vapor Detection

 

*Rajendra BUNKAR, K. D. VYAS, V. K. RAO, Sunil KUMAR, Beer SINGH, M. P. KAUSHIK

Defence Research and Development Establishment, Jhansi Road, Gwalior, M.P., 474002, India

Tel.: +91-07512341960, fax: 0751-2341148

E-mail: rajbunkar.drdo@gmail.com

 

 

Received: 4 February 2010   /Accepted: 19 February 2010   /Published: 26 February 2010

 

Abstract: An epoxy resin polymer coated quartz crystal microbalance (PC-QCM) is used for detection of sulfur mustard vapor (SM). When SM vapor is exposed to PC-QCM sensor frequency shift is observed. The response of the sensor in ambient condition is 554 Hz with 10 % variation upon exposure of 155 ppm of the SM concentration. The observed response loss is nearly 40 % over the period of 15 months. The response of the sensor is higher for SM than compare to structurally similar chloroethyl ether (CEE) and other interferences.

 

Keywords: Epoxy resin, QCM sensor, Sulfur mustard, Response

 

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