Rapid forensic analysis of fire debris using headspace sampling onto sorbent tubes with TD–GC–MS

Analysis of fire debris offers vital evidence to forensic studies, because the detection of accelerants in ignitable liquid residues (ILRs) can indicate that the fire was not accidental but the result of arson.

This application note describes the analysis of ignitable liquid residues from fire debris, using static or dynamic headspace sampling onto sorbent tubes, in conjunction with thermal desorption (TD)–GC–MS.

Specifically, we highlight the ability of TD to interface with a variety of sampling devices – in this case, collection of static headspace vapours using a manually-operated pump, and dynamic sampling with a microchamber device.

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