Abstract:A method based on the use of GC coupled to Q-exactive Orbitrap Mass Spectrometry (GC-Orbitrap-MS) has been developed for the analysis of polycyclic aromatic hydrocarbons (PAHs) at sub-picogram levels. Outdoor ambient air particulate matter (PM2.5) and standard reference materials (SRM2260a) were analyzed in full scan mode showing low instrumental uncertainties (1% - 22%) and high linearity over a wide concentration range (0.5 pg and 500 pg/µL). Good reproducibility was obtained compared to the use of conventio… Show more
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