Articles | Volume 12, issue 9
https://doi.org/10.5194/amt-12-4867-2019
https://doi.org/10.5194/amt-12-4867-2019
Research article
 | 
11 Sep 2019
Research article |  | 11 Sep 2019

An extractive electrospray ionization time-of-flight mass spectrometer (EESI-TOF) for online measurement of atmospheric aerosol particles

Felipe D. Lopez-Hilfiker, Veronika Pospisilova, Wei Huang, Markus Kalberer, Claudia Mohr, Giulia Stefenelli, Joel A. Thornton, Urs Baltensperger, Andre S. H. Prevot, and Jay G. Slowik

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jay Slowik on behalf of the Authors (06 Jul 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (08 Jul 2019) by Pierre Herckes
RR by Anonymous Referee #1 (19 Jul 2019)
ED: Publish as is (19 Jul 2019) by Pierre Herckes
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Short summary
We present a novel, field-deployable extractive electrospray time-of-flight mass spectrometer (EESI-TOF), which provides real-time, near-molecular measurements of organic aerosol at atmospherically relevant concentrations, addressing a critical gap in existing measurement capabilities. Successful deployments of the EESI-TOF for laboratory measurements, ground-based ambient sampling, and aboard a research aircraft highlight the versatility and potential of the EESI-TOF system.