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Trace explosives detection by micro differential thermal analysis

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4 Author(s)
Jesper Olsen ; Technical University of Denmark, Lyngby, Denmark ; Larry Senesac ; Thomas Thundat ; Anja Boisen

In this abstract a new method for detecting trace explosive compounds using a micro differential total analysis system (DTA) is presented. Trace explosive detection has become a predominant research activity in recent years and there is a demand for fast reliable screening methods to secure public safety. Micro DTA facilitates recording of a calorimetric profile for nanograms of materials. The profile comprises a combination of sublimation, melting, evaporation and deflagration for the sample material. Using this profile it is possible to distinguish explosives from non explosives and to have selectivity between explosives.

Published in:

Micro Electro Mechanical Systems (MEMS), 2011 IEEE 24th International Conference on

Date of Conference:

23-27 Jan. 2011