Articles | Volume 19, issue 22
Atmos. Chem. Phys., 19, 13945–13956, 2019
https://doi.org/10.5194/acp-19-13945-2019
Atmos. Chem. Phys., 19, 13945–13956, 2019
https://doi.org/10.5194/acp-19-13945-2019
Research article
20 Nov 2019
Research article | 20 Nov 2019

Molecular characterization of polar organic aerosol constituents in off-road engine emissions using Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS): implications for source apportionment

Min Cui et al.

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Short summary
Refined source apportionment is urgently needed but hard to achieve due to a lack of specific biomarkers. Recently, Fourier transform ion cyclotron resonance mass spectrometry has been used to analyse the probable chemical structure of polar organic matter emitted from off-road engines. We found more condensed aromatic rings in S-containing compounds for HFO-fueled vessels, while more abundant aliphatic chains were observed in emissions from diesel equipment.
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