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2 Central European Journal of Energetic Materials

2 2005

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Investigation of Inner Channel Effect

100%

Vágenknecht J. , Adamík V.

tom Vol. 2, nr 2

71-85

The article deals with measurement of velocities of detonation in special charges constructed with an inner channel. The detonation course of these charges was investigated by measuring the velocities of detonation. The abnormalities found in the detonation course were interpreted as a consequence of the channel effect. For better understanding of the problem, the operation of channel effect was also investigated by means of a numerical simulation using the method of finite elements in the system ANSYS/LS DYNA3D.

Application of LC-MSD and GC-ECD Techniques in the Analysis of Post-explosion Residues of Explosives with Content of 1,3,5-Trinitroso-1,3,5-triazinane

80%

Varga R. , Zeman S. , Vágenknecht J. , Koložvári M.

tom Vol. 2, nr 3

85-96

The paper deals with possible applications of the connection of liquid chromatography with atmospheric pressure chemical ionization (APCI) mass spectrometry (Agilent 1100 series LS-MSD system) and gas chromatography with electron capture detector (GC-ECD) in the analysis of some common available or improvised explosives. The analysis of selected types of individual explosives, 2,4,6-trinitrotoluene (TNT), 1,3,5-trinitroso-1,3,5-triazinane (TMTA) and analysis of their mixtures (TNT/TMTA and RDX/TMTA) in their post-explosion residues on the basis of generated characteristic mass spectra by using LC-MSD system is the aim of this work. Post-explosion analysis of TMTA and its explosive mixtures can be similarly complicated, like that of the well-known plastic explosive on the basis of pentaerythritol tetranitrate, Semtex-1A.