Improved identification of organic markers in ambient particulate matter (PM2.5) for reliable source attribution

Originally presented at NEMC 2021

Here, we demonstrate how direct thermal desorption (TD) of PM2.5 filters offers a streamlined solution to sample preparation, while enhanced separation and sensitive detection by comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (GC×GC–TOF MS) offers improved sample characterisation for organic components.

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