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题名: Quantitative Detection of Hexamethylene Triperoxide Diamine in Complex Matrix by Dopant-assisted Photoionization Ion Mobility Spectrometry
作者: Jiang Dan-Dan1, 2;  Peng Li-Ying1, 2;  Zhou Qing-Hua1, 2;  Chen Chuang1;  Liu Ji-Wei1;  Wang Shuang1, 2;  Li Hai-Yang1
关键词: Ion mobility spectrometry ;  Peroxide explosives ;  Hexamethylene triperoxide diamine ;  Complex matrix ;  Perfume
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2016-11-01
DOI: 10.1016/S1872-2040(16)60972-6
卷: 44, 期:11, 页:1671-1677
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
英文摘要: Hexamethylene triperoxide diamine (HMTD), a kind of novel organic peroxide explosives, is often used in terrorist attacks due to its easy synthesis from readily available starting materials. To counteract this new type of threat, a dopant-assisted positive photoionization ion mobility spectrometer was developed on the basis of a nonradioactive ionization source, i.e., vacuum ultraviolet (VUV) lamp, for the determination of HMTD. Toluene, acetone and 2-butanone were tested as dopants, with acetone finally chosen as the optimal dopant for the quantitative detection of HMTD in a perfume matrix. With mass spectrometry, the reactant ions of acetone and the product ions of HMTD were assigned. The reactant ions of acetone were proton dimer [(CH3)(2)CO](2)H+ (m/z 117), while the product ions of HMTD were proton molecular ion [HMTD + H]+ (m/z 209). With both the drift tube and the thermal desorber temperature under 120 degrees C, the HMTD standard samples were quantified with the maximum signal intensity and the 10th second signal intensity, the measurement linear was in the range of 5-50 ng mu L-1 and 5-100 ng mu L-1, and the limit of detection (LOD) was achieved at 0.2 and 0.3 ng mu L-1, respectively. Cosmetics such as perfume often interfere and inhibit the measurement of ion mobility spectrometry of the explosives. Therefore, the detection of HMTD in a perfume matrix for the rapid screening and detection of HMTD on-site was of realistic significance. These two quantitative methods were used for the quantitative detection of HMTD in three different brands of perfume samples. By comparison, the method using the 10th second signal intensity of HMTD for the quantitative detection has a better recovery rate and accuracy for HMTD. This method was suitable for the accurate and rapid quantitative detection of HMTD in a complex matrix.
关键词[WOS]: PEROXIDE-BASED EXPLOSIVES ;  PRESSURE CHEMICAL-IONIZATION ;  WARFARE AGENT SIMULANTS ;  SENSITIVE DETECTION ;  ELECTROCHEMICAL DETECTION ;  BLACK POWDER ;  DRIFT GAS ;  HMTD ;  CHROMATOGRAPHY ;  DEGRADATION
语种: 英语
WOS记录号: WOS:000389520000005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150445
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Jiang Dan-Dan,Peng Li-Ying,Zhou Qing-Hua,et al. Quantitative Detection of Hexamethylene Triperoxide Diamine in Complex Matrix by Dopant-assisted Photoionization Ion Mobility Spectrometry[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2016,44(11):1671-1677.
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