Properties and Atmospheric Oxidation of Norpinic Acid Aerosol
Abstract
:1. Introduction
2. Experimental Approach and Methods
2.1. Experimental Set Up
2.2. Data Analysis
3. Results and Discussion
3.1. HR-ToF-AMS Mass Spectrum and Elemental Ratios
3.2. Density and AMS Collection Efficiency
3.3. Norpinic acid Volatility
3.3.1. Using the Thermodenuder Measurements
3.3.2. Isothermal Evaporation of Norpinic Acid in the Chamber
3.4. Chemical Aging
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Facility | ICE-FORTH | CMU | ||||
---|---|---|---|---|---|---|
Exp. 1 | Exp. 2 | Exp. 3 | Exp. 4 | Exp. 5 | Exp. 6 | |
Initial norpinic acid (μg m−3) | 73.3 | 84.3 | 11.6 | 33.1 | 47 | 41 |
Initial (NH4)2SO4 (μg m−3) | 31.6 a | 82 b | NA | NA | 44 b | 34 b |
AMS Collection Efficiency | 0.38 ± 0.05 | 0.4 ± 0.03 | 0.4 ± 0.03 | 0.24 ± 0.03 | 0.6 ± 0.07 | 0.75 ± 0.12 |
Density (g cm−3) | 1.29 ± 0.02 | 1.32 ± 0.03 | 1.3 ± 0.02 | 1.29 ± 0.02 | ΝA | ΝA |
Butanol-d9 (ppb) | 0 | 82 | 182 | 17 | NA | |
Equivalent OH exposure (days) c | 0 | 5 | 2 | 0 | 0.6 | NA |
T (°C) | 20.7 ± 0.5 | 29.1 ± 0.7 | 22.8 ± 3.7 | 23.6 ± 1.3 | 27.3 ± 1.8 | 28.1 ± 1.4 |
RH (%) | 11 ± 0.3 | 9.6 ± 0.7 | 12.8 ± 3.5 | 16.5 ± 5.3 | 5 ± 0.8 | 6 ± 0.9 |
Angle Theta in Degrees (R2) | Reference | |
---|---|---|
Factor 82 | 48.6 (0.35) | Robinson et al. [54] |
IEPOX OA | 73.5 (0.01) | Budisulistiorini et al. [58] |
Isoprene-OA | 31.9 (0.69) | Xu et al. [59] |
Biogenic OA | 26.3 (0.78) | Kostenidou et al. [57] |
MBTCA | 24.3 (0.82) | Kostenidou et al. [40] |
α-pinene + O3 SOA | 27.7 (0.76) | Wang et al. [62] |
β-carryophylene + O3 SOA | 33.8 (0.65) | Tasoglou et al. [63] |
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Kostenidou, E.; Jorga, S.; Kodros, J.K.; Florou, K.; Kołodziejczyk, A.; Szmigielski, R.; Pandis, S.N. Properties and Atmospheric Oxidation of Norpinic Acid Aerosol. Atmosphere 2022, 13, 1481. https://doi.org/10.3390/atmos13091481
Kostenidou E, Jorga S, Kodros JK, Florou K, Kołodziejczyk A, Szmigielski R, Pandis SN. Properties and Atmospheric Oxidation of Norpinic Acid Aerosol. Atmosphere. 2022; 13(9):1481. https://doi.org/10.3390/atmos13091481
Chicago/Turabian StyleKostenidou, Evangelia, Spiro Jorga, John K. Kodros, Kalliopi Florou, Agata Kołodziejczyk, Rafal Szmigielski, and Spyros N. Pandis. 2022. "Properties and Atmospheric Oxidation of Norpinic Acid Aerosol" Atmosphere 13, no. 9: 1481. https://doi.org/10.3390/atmos13091481
APA StyleKostenidou, E., Jorga, S., Kodros, J. K., Florou, K., Kołodziejczyk, A., Szmigielski, R., & Pandis, S. N. (2022). Properties and Atmospheric Oxidation of Norpinic Acid Aerosol. Atmosphere, 13(9), 1481. https://doi.org/10.3390/atmos13091481