Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 176, Issue 1-3, Pages 692-696Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2009.11.087
Keywords
Explosives; Ion mobility spectrometry; Pyrolysis
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In this work, thermal decomposition has been used to detect explosives by IMS in positive polarity. Explosives including Pentaerythritol Tetra nitrate (PETN), Cyclo-1,3,5-Trimethylene-2,4,6-Trinitramine (RDX), 2,4,6-Trinitrotoluene (TNT), 2,4-Dihydro-5-nitro-3H-1,2,4-triazol-3-one (NTO), 1,3,5.7-Tetranitro-1,3,5,7-tetrazocine (HMX), have been evaluated at temperatures between 150 and 250 degrees C in positive polarity in air. Explosives yield NOx which causes NO+ peak to increase. Additional peaks may be used to identify the type of explosive. The limit of detection for RDX, HMX, PETN, NTO, and TNT were obtained to be 1, 10, 40, 1000, and 1000 ng, respectively. (C) 2009 Elsevier B.V. All rights reserved.
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