Comprehensive analysis of tobacco smoke using TD–GC×GC–TOF MS with Tandem Ionisation

In this study, we use thermal desorption (TD) for collection and analysis of whole cigarette emissions, and couple it with flow-modulated GC×GC–TOF MS, to enable smoke constituents to be routinely and confidently sampled, separated and identified.

Key results are the excellent separation of trace-level analytes while minimising breakthrough and tailing of highly concentrated compounds, such as nicotine and triacetin. The use of Tandem Ionisation provides another level of confidence in compound identification, through the simultaneous acquisition of NIST-quality 70 eV spectra and complementary soft EI spectra with enhanced molecular (and other structurally-significant) ions.

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