Application of Capillary-Trap Sampler to the Determination of Fire Debris Extraction

Capillary-trap sampler technology was applied to the extraction and enrichment of fire debirs. GC-MS was used to both qualitative analysis of the extract and quantitative analysis of gasoline. Effective enrichment of common fire debris (gasoline, kerosene, diesel, diluent and so on) was realized with capillary-trap sampler technology. Combining the micro sampling method with GC-MS, the detection limit of gasoline was 0.1 nL·L-1, therefore quantitative analysis of certain concentrations range of gasoline could be achieved.