Research Article
Quartz Enhanced Photoacoustic Spectroscopy for Detection of Improvised Explosive Devices and Precursors
Table 1
IED’s precursors tested with the QEPAS sensor.
| Common name | State | Vapour pressure (mmHg@20°C) |
| Acetone | Liquid | 184 | Hydrogen peroxide | Liquid | 2 | Nitric acid | Liquid | 48 | Hexamine | Solid | <0.01 | DNT | Solid | <0.001 | Nitromethane | Liquid | 28 |
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