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Gunshot Residue Dating

Fig. 2 In HSSE, a Gerstel Twister is mounted in the headspace above the sample, in this case, the spent cartridge. The volatile organic compounds are concentrated in the sorptive phase of the twister (PDMS); The twister is removed after the extraction and transferred to a glass liner. Thermal desorption and analyte determination is then performed automatically by the TDU-GC/MS system (Gerstel-Agilent). (Gerstel/copyright by Wolfram Schroll) arrow forward Image Zoom
Fig. 2 In HSSE, a Gerstel Twister is mounted in the headspace above the sample, in this case, the spent cartridge. The volatile organic compounds are concentrated in the sorptive phase of the twister (PDMS); The twister is removed after the extraction and transferred to a glass liner. Thermal desorption and analyte determination is then performed automatically by the TDU-GC/MS system (Gerstel-Agilent). (Gerstel/copyright by Wolfram Schroll)
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