A 1-year characterization of organic aerosol composition and sources using an extractive electrospray ionization time-of-flight mass spectrometer (EESI-TOF)

Qi, Lu; Vogel, Alexander L.; Esmaeilirad, Sepideh; Cao, Liming; Zheng, Jing; Jaffrezo, Jean-Luc; Fermo, Paola; Kasper-Giebl, Anne; Daellenbach, Kaspar R.; Chen, Mindong; Ge, Xinlei; Baltensperger, Urs; Prévôt, André S. H.; Slowik, Jay G.

doi:https://doi.org/10.5194/acp-20-7875-2020

Articles | Volume 20, issue 13

https://doi.org/10.5194/acp-20-7875-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-7875-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 13

Research article

|

08 Jul 2020

Research article |

| 08 Jul 2020

A 1-year characterization of organic aerosol composition and sources using an extractive electrospray ionization time-of-flight mass spectrometer (EESI-TOF)

Lu Qi, Alexander L. Vogel, Sepideh Esmaeilirad, Liming Cao, Jing Zheng, Jean-Luc Jaffrezo, Paola Fermo, Anne Kasper-Giebl, Kaspar R. Daellenbach, Mindong Chen, Xinlei Ge, Urs Baltensperger, André S. H. Prévôt, and Jay G. Slowik

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Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Reviewer comment', Anonymous Referee #1, 18 Feb 2020
- AC1: 'Response to the comments of anonymous referee#1', Lu Qi, 17 May 2020
RC2: 'review', Anonymous Referee #2, 24 Feb 2020
- AC2: 'Response to the comments of anonymous referee#2', Lu Qi, 17 May 2020

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AR: Author's response | RR: Referee report | ED: Editor decision

AR by Lu Qi on behalf of the Authors (17 May 2020) Author's response Manuscript

ED: Publish as is (08 Jun 2020) by John Liggio

AR by Lu Qi on behalf of the Authors (16 Jun 2020) Author's response Manuscript

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Short summary

We present the first application of this online and offline strategy using the new extractive electrospray ionization time-of-flight mass spectrometer (EESI-TOF), which achieves increased chemical specificity relative to other online techniques. Measurement and source apportionment of 1 year of filter samples collected in Zurich, Switzerland, show seasonal contributions from fresh and aged wood combustion in winter and biogenic emission-derived SOA in summer, as well as other sources.