Articles | Volume 19, issue 12
https://doi.org/10.5194/acp-19-8037-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-8037-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Organic aerosol source apportionment in Zurich using an extractive electrospray ionization time-of-flight mass spectrometer (EESI-TOF-MS) – Part 2: Biomass burning influences in winter
Lu Qi
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
Nanjing University of Information Science & Technology, 21000
Nanjing, China
Mindong Chen
Nanjing University of Information Science & Technology, 21000
Nanjing, China
Giulia Stefenelli
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
Veronika Pospisilova
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
Yandong Tong
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
Amelie Bertrand
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
Christoph Hueglin
EMPA, Dübendorf 8600, Switzerland
Xinlei Ge
Nanjing University of Information Science & Technology, 21000
Nanjing, China
Urs Baltensperger
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
André S. H. Prévôt
CORRESPONDING AUTHOR
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
Jay G. Slowik
CORRESPONDING AUTHOR
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), 5232 Villigen,
Switzerland
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- Chemical ionization mass spectrometry: Developments and applications for on-line characterization of atmospheric aerosols and trace gases Y. Zhang et al. 10.1016/j.trac.2023.117353
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Latest update: 20 Nov 2024
Short summary
Current understanding of OA sources is limited by the chemical resolution of existing real-time measurement technology. We describe the first wintertime deployment of a novel extractive electrospray ionization time-of-flight mass spectrometer, which provides near-molecular OA measurements with high time resolution. We show that biomass combustion strongly influences winter OA. Via factor analysis, aging-dependent signatures and time contributions of biomass-combustion-derived OA are resolved.
Current understanding of OA sources is limited by the chemical resolution of existing real-time...
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