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| 001 | 904148 | ||
| 005 | 20240712101017.0 | ||
| 024 | 7 | _ | |a 10.5194/amt-14-1545-2021 |2 doi |
| 024 | 7 | _ | |a 1867-1381 |2 ISSN |
| 024 | 7 | _ | |a 1867-8548 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2021-05718 |
| 082 | _ | _ | |a 550 |
| 100 | 1 | _ | |a Pagonis, Demetrios |0 0000-0002-0441-2614 |b 0 |
| 245 | _ | _ | |a Airborne extractive electrospray mass spectrometry measurements of the chemical composition of organic aerosol |
| 260 | _ | _ | |a Katlenburg-Lindau |c 2021 |b Copernicus |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1641387018_10771 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a We deployed an extractive electrospray ionization time-of-flight mass spectrometer (EESI-MS) for airborne measurements of biomass burning aerosol during the Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) study onboard the NASA DC-8 research aircraft. Through optimization of the electrospray working solution, active control of the electrospray region pressure, and precise control of electrospray capillary position, we achieved 1 Hz quantitative measurements of aerosol nitrocatechol and levoglucosan concentrations up to pressure altitudes of 7 km. The EESI-MS response to levoglucosan and nitrocatechol was calibrated for each flight, with flight-to-flight calibration variability of 60 % (1σ). Laboratory measurements showed no aerosol size dependence in EESI-MS sensitivity below particle geometric diameters of 400 nm, covering 82 % of accumulation-mode aerosol mass during FIREX-AQ. We also present a first in-field intercomparison of EESI-MS with a chemical analysis of aerosol online proton-transfer-reaction mass spectrometer (CHARON PTR-MS) and a high-resolution Aerodyne aerosol mass spectrometer (AMS). EESI-MS and CHARON PTR-MS levoglucosan concentrations were well correlated, with a regression slope of 0.94 (R2=0.77). AMS levoglucosan-equivalent concentrations and EESI-MS levoglucosan showed a greater difference, with a regression slope of 1.36 (R2=0.96), likely indicating the contribution of other compounds to the AMS levoglucosan-equivalent measurement. The total EESI-MS signal showed correlation (R2=0.9) with total organic aerosol measured by AMS, and the EESI-MS bulk organic aerosol sensitivity was 60 % of the sensitivity to levoglucosan standards. |
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| 700 | 1 | _ | |a Campuzano-Jost, Pedro |0 0000-0003-3930-010X |b 1 |
| 700 | 1 | _ | |a Guo, Hongyu |0 0000-0003-0487-3610 |b 2 |
| 700 | 1 | _ | |a Day, Douglas A. |0 0000-0003-3213-4233 |b 3 |
| 700 | 1 | _ | |a Schueneman, Melinda K. |0 0000-0003-4359-1472 |b 4 |
| 700 | 1 | _ | |a Brown, Wyatt L. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Nault, Benjamin A. |0 0000-0001-9464-4787 |b 6 |
| 700 | 1 | _ | |a Stark, Harald |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Siemens, Kyla |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a Laskin, Alex |0 0000-0002-7836-8417 |b 9 |
| 700 | 1 | _ | |a Piel, Felix |0 0000-0002-8191-8029 |b 10 |
| 700 | 1 | _ | |a Tomsche, Laura |0 P:(DE-HGF)0 |b 11 |
| 700 | 1 | _ | |a Wisthaler, Armin |0 P:(DE-HGF)0 |b 12 |
| 700 | 1 | _ | |a Coggon, Matthew M. |0 P:(DE-HGF)0 |b 13 |
| 700 | 1 | _ | |a Gkatzelis, Georgios |0 P:(DE-Juel1)184937 |b 14 |u fzj |
| 700 | 1 | _ | |a Halliday, Hannah S. |0 0000-0001-9499-9836 |b 15 |
| 700 | 1 | _ | |a Krechmer, Jordan E. |0 0000-0003-3642-0659 |b 16 |
| 700 | 1 | _ | |a Moore, Richard H. |0 0000-0003-2911-4469 |b 17 |
| 700 | 1 | _ | |a Thomson, David S. |0 P:(DE-HGF)0 |b 18 |
| 700 | 1 | _ | |a Warneke, Carsten |0 P:(DE-HGF)0 |b 19 |
| 700 | 1 | _ | |a Wiggins, Elizabeth B. |0 P:(DE-HGF)0 |b 20 |
| 700 | 1 | _ | |a Jimenez, Jose L. |0 0000-0001-6203-1847 |b 21 |e Corresponding author |
| 773 | _ | _ | |a 10.5194/amt-14-1545-2021 |g Vol. 14, no. 2, p. 1545 - 1559 |0 PERI:(DE-600)2505596-3 |n 2 |p 1545 - 1559 |t Atmospheric measurement techniques |v 14 |y 2021 |x 1867-1381 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/904148/files/amt-14-1545-2021.pdf |y OpenAccess |
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