Interactions of multiple reactant ions with 2,4,6-trinitrotoluene studied by corona discharge ion mobility-mass spectrometry

被引:10
作者
Sabo, Martin [1 ]
Michalczuk, Bartosz [2 ]
Lichvanova, Zuzana [1 ]
Kavicky, Vladimir [3 ]
Radjenovic, Branislav [4 ]
Matejcik, Stefan [1 ]
机构
[1] Comenius Univ, Dept Expt Phys, Fac Math Phys & Informat, Mlynska Dolina F2, Bratislava 84248, Slovakia
[2] Siedlce Univ, Dept Chem, PL-08110 Siedlce, Poland
[3] Univ Zilina, Fac Secur Engn, Dept Secur Management, Zilina 01026, Slovakia
[4] Univ Belgrade, Inst Phys, Belgrade, Serbia
关键词
Ion mobility spectrometry; Corona discharge; Mass spectrometry; Reactant ions; 2,4,6-Trinitrotoluene; IONIZATION; EXPLOSIVES; PRESSURE; TNT; OXYGEN; AIR;
D O I
10.1016/j.ijms.2015.03.002
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
In this work we present a study of the interactions of multiple reactant ions (RI) generated in corona discharge (CD) with molecules of 2,4,6-trinitrotoluene (TNT) using the ion mobility orthogonal-acceleration time of flight mass spectrometry (IMS-oaTOF) technique. We have studied response of TNT molecules to different reactant ions (RI) such as O-2(-), Cl-, N2O2-, NO3- or NO3-center dot(HNO3). The response of TNT to RI results in formation of multitude of species, such as TNT-, (TNT-H)(-) and cluster ions. Additionally, we have investigated the stability of TNT- ions as function of IMS gas temperature and drift field intensity and their conversion to (TNT-H)(-). Formation of some product ions was assigned to degradation of TNT by neutral reactive species generated by the CD. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:12 / 20
页数:9
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