Methods and Protocols

    Analysis of aromatic amines in THS aerosol

    PMI

    Published on
    Mar 2, 2017
    Topic
    Summary

    The aerosols are generated on a linear smoking machine and collected using a Cambridge filter pad (CFP) followed by an impinger filled with 15 mL of a 5% hydrochloric acid solution. The content of the CFP is combined and extracted with the content of the impinger after addition of internal standards. The resulting solution is then cleaned and trace-enriched using a solid-phase extraction procedure (SPE) and basified. The basic extract is further cleaned and trace-enriched using a second SPE. The obtained solution is derivatized with heptafluorobutyric anhydride (HFBA).

    The derivatized solutions are analyzed by Gas Chromatography with Negative Chemical Ionization Mass Spectrometry detection (GC-NCI-MS) using a column DB-5M, 30 m x 0.25 mm ID x 0.25 µm film thickness. Results are expressed as ng/item for the Tobacco Heating System (THS), referred to as Platform 1 (P1) in the method.  

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