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含能材料  2008 

四氮烯起爆药的电喷雾电离质谱裂解研究

Keywords: 分析化学,四氮烯,电喷雾电离质谱,裂解机理

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Abstract:

为了更好地了解含能材料燃烧和爆炸机理,对四氮烯进行了电喷雾电离质谱分析。根据质谱图中碎片离子的信息,总结了四氮烯的裂解途径,发现四氮烯裂解时主要有NH2、HCN、HCN2、N3、N4中性碎片的丢失,推测它的裂解机理是C—N、N—N键的断裂反应和分子内重排反应;同时发现四唑环碎片离子m/z68.9的相对丰度较高,初步断定四氮烯分子结构中的四唑环是相对比较稳定的结构;并且由m/z68.9峰和m/z95.8峰的相对丰度接近,推测分子中C(5)—N(1)键和N(2)—N(3)键的键能相当(以四氮烯命名),且容易断裂,生成四唑自由基、氨基胍自由基和N2。

References

[1]  Mei G C,Pickett J W. Molecular modeling of tetrazene decomposition [J]. Propellants, Explosives, Pyrotechnics, 1998,23 : 172 - 178.
[2]  Fuzzati N, Gabetta B, Jayakar K, et al. Liquid chromatography electrospray mass spectrometry identification of ginsenosides in Panax ginseng roots[J]. Journal of Chroma ography A, 1999,854 : 69 - 79.
[3]  Tawab M A, Bahr Y, Danieli B, et al. Electrospray mass spectrometry with consecutive fragmentation steps as a tool for rapid and sensitive analysis of ginsenosides and their galactosy derivatives [J]. Chemica Acta,2000,83 : 739 - 747,
[4]  Lelnonen A,Kuuranne T,Kostiainen R. Liquid chromatography/mass spectrometry in anabolie steroid analysis-optimization and comparison of three ionization techniques: eleetrospray ionization, atmospheric pressure chemical ionization and atmospheric pressure photoionizatio [J]. Journal of Mass Spectrometry,2002,37:693 - 698.
[5]  Chafin A P, Erickson E D. The mass-spectra of benzofurocans-an example of an ortho-effect [J]. Organic Mass Spectrometry, 1985,20(4): 276 -282.
[6]  张敏 孙莉霞 魏俊发.用大气压电喷雾电离质谱对二硝化纤维素(PYX)的研究[J].质谱学报,2003,24(2):356-358.
[7]  张敏 孙莉霞 陈智群.BTTN与NG混合物的电喷雾电离质谱研究[J].含能材料,2004,12(3):165-167.
[8]  张敏.RDX和HMX的大气压电喷雾电离质谱分析[J].火炸药学报,2006,29(1):77-80.
[9]  Nazin G M, Manelis G B, Dubovitskii. Thermal decomposition of aliphatic nitro compounds [J]. Russian Chemical Reviews, 1968,37 : 603 -612.
[10]  Farber M,Srivastava R D. Mass spectrometric investigation of the thermal decomposition of RDX[J]. Chernical Physics Letters, 1979,64: 307 - 310
[11]  蒋荣光 刘自铴.起爆药[M].北京:兵器工业出版社,2005.462-467.
[12]  Duck J R C. X-Ray crystal and molecular structure of tetrazene C2H8N10 [J]. Journal of the Chemical Society Chemical Commanications, 1971 : 2 - 3.
[13]  Krien G. Thermoanalytical determination of tetrazene in primer mixtures [J]. Propellants, Explosives, Pyrotechnics, 1979,4 (3) : 53 - 55.
[14]  Whelan D J ,Spear R J ,Read R W. The thermal decomposition of some primary explosives as studied by differential scanning calorimetry[J]. Thermochimica Acta, 1984,80( 1 ) : 149 - 163.
[15]  Brede U,Hagel R,Redecker K H,et al. Primer compositions in the course of time: from black powder and SINOXID to SINTOX compositions and SINCO booster [J]. Propellants, Explosives, Pyrotechnics, 1996,21 (3): 113-117.
[16]  Ryabykh S M,Zhulanova V P,Kholodkovskaya N V,et al. Initiation of primary explosives by electron pulses of microsecond duration [J]. Combustion, Explosion, and Shock Waves, 1996,32 ( 3 ) : 336 - 340.
[17]  Klapoke T M, Mayer T, Schulz A, et al. 1,4-Bis-[ 1 -methyltetrazol-5- yl]-1, 4-dimethyl-2-tetrazene: A stable, highly energetic hexamer of diazomethane [J]. Propellants, Explosives, Pyrotechnics, 2004,29 ( 6 ) : 325 - 332.
[18]  刘自铴 劳允亮.起爆药实验[M].北京:北京理工大学出版社,1995.

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