A transient explosive vapor generator based on capillary gas chromatography

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Abstract
A vapor generator is described which produces transient clouds of pure explosive vapor. This vapor generator is based upon a commercially available capillary gas chromatograph. By using a gas chromatograph, and generating transient vapor clouds, a higher purity of explosive vapor is obtainable than was previously possible. The chemical composition of the vapor generator was confirmed by both gas chromatography/mass spectrometry and by ion mobility spectrometry. Although this research only involved the generation of dinitrotoluene (DNT), trinitrotoluene (TNT) and 1,3,5-trinitro-1,3,5-triazacyclohexane (RDX) vapors, this system should be able to generate vapors of any volatile explosive. The vapor generator was successfully used in comparative testing of four commercially available explosive vapor detection systems.

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