Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air
<p>The atmospheric processes under polluted environments involving interactions of anthropogenic pollutants and natural emissions lead to the formation of various and complex secondary products. Therefore, the characterization of oxygenated organic compounds in urban areas remains a pivotal is...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
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Copernicus Publications
2021-06-01
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| Series: | Atmospheric Chemistry and Physics |
| Online Access: | https://acp.copernicus.org/articles/21/8455/2021/acp-21-8455-2021.pdf |
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| author | C. Ye B. Yuan B. Yuan Y. Lin Y. Lin Z. Wang Z. Wang W. Hu T. Li T. Li W. Chen C. Wu C. Wu C. Wang C. Wang S. Huang S. Huang J. Qi J. Qi B. Wang C. Wang W. Song X. Wang E. Zheng E. Zheng J. E. Krechmer P. Ye Z. Zhang Z. Zhang X. Wang X. Wang D. R. Worsnop M. Shao M. Shao M. Shao |
| author_facet | C. Ye B. Yuan B. Yuan Y. Lin Y. Lin Z. Wang Z. Wang W. Hu T. Li T. Li W. Chen C. Wu C. Wu C. Wang C. Wang S. Huang S. Huang J. Qi J. Qi B. Wang C. Wang W. Song X. Wang E. Zheng E. Zheng J. E. Krechmer P. Ye Z. Zhang Z. Zhang X. Wang X. Wang D. R. Worsnop M. Shao M. Shao M. Shao |
| author_sort | C. Ye |
| collection | DOAJ |
| description | <p>The atmospheric processes under polluted environments involving interactions of anthropogenic pollutants and natural emissions lead to the formation of various and complex secondary products. Therefore, the characterization of oxygenated organic compounds in urban areas remains a pivotal issue in our understanding of the evolution of organic carbon. Here, we describe measurements of an iodide chemical ionization
time-of-flight mass spectrometer installed with a Filter Inlet for Gases and
AEROsols (FIGAERO-I-CIMS) in both the gas phase and the particle phase at an urban
site in Guangzhou, a typical megacity in southern China, during the autumn
of 2018. Abundant oxygenated organic compounds containing two to five oxygen atoms
were observed, including organic acids, multi-functional organic compounds
typically emitted from biomass burning, oxidation products of biogenic
hydrocarbons and aromatics. Photochemistry played dominant roles in the
formation of gaseous organic acids and isoprene-derived organic nitrates,
while nighttime chemistry contributed significantly to the formation of
monoterpene-derived organic nitrates and inorganics. Nitrogen-containing
organic compounds occupied a significant fraction of the total signal in
both the gas and particle phases, with elevated fractions at higher
molecular weights. Measurements of organic compounds in the particle phase
by FIGAERO-I-CIMS explained 24 <span class="inline-formula">±</span> 0.8 % of the total organic aerosol
mass measured by aerosol mass spectrometer (AMS), and the fraction increased
for more aged organic aerosol. The systematical interpretation of mass
spectra of the FIGAERO-I-CIMS in the urban area of Guangzhou provides a
holistic view of numerous oxygenated organic compounds in the urban
atmosphere, which can serve as a reference for the future field measurements
by FIGAERO-I-CIMS in polluted urban regions.</p> |
| first_indexed | 2024-12-20T03:41:55Z |
| format | Article |
| id | doaj.art-ffcc5df67ccf4417a4e37b618378d4fb |
| institution | Directory Open Access Journal |
| issn | 1680-7316 1680-7324 |
| language | English |
| last_indexed | 2024-12-20T03:41:55Z |
| publishDate | 2021-06-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Chemistry and Physics |
| spelling | doaj.art-ffcc5df67ccf4417a4e37b618378d4fb2022-12-21T19:54:43ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242021-06-01218455847810.5194/acp-21-8455-2021Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban airC. Ye0B. Yuan1B. Yuan2Y. Lin3Y. Lin4Z. Wang5Z. Wang6W. Hu7T. Li8T. Li9W. Chen10C. Wu11C. Wu12C. Wang13C. Wang14S. Huang15S. Huang16J. Qi17J. Qi18B. Wang19C. Wang20W. Song21X. Wang22E. Zheng23E. Zheng24J. E. Krechmer25P. Ye26Z. Zhang27Z. Zhang28X. Wang29X. Wang30D. R. Worsnop31M. Shao32M. Shao33M. Shao34College of Environmental Sciences and Engineering, Peking University, Beijing 100871, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaGuangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaGuangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaSchool of Environmental Science and Engineering, Qilu University of Technology, Jinan 250353, ChinaSchool of Environmental Science and Engineering, Qilu University of Technology, Jinan 250353, ChinaGuangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 511443, ChinaGuangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaAerodyne Research, Inc., 45 Manning Rd., Billerica, MA, USAShanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, ChinaAerodyne Research, Inc., 45 Manning Rd., Billerica, MA, USACollege of Environmental Sciences and Engineering, Peking University, Beijing 100871, ChinaInstitute for Environmental and Climate Research, Jinan University, Guangzhou 511443, ChinaGuangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China<p>The atmospheric processes under polluted environments involving interactions of anthropogenic pollutants and natural emissions lead to the formation of various and complex secondary products. Therefore, the characterization of oxygenated organic compounds in urban areas remains a pivotal issue in our understanding of the evolution of organic carbon. Here, we describe measurements of an iodide chemical ionization time-of-flight mass spectrometer installed with a Filter Inlet for Gases and AEROsols (FIGAERO-I-CIMS) in both the gas phase and the particle phase at an urban site in Guangzhou, a typical megacity in southern China, during the autumn of 2018. Abundant oxygenated organic compounds containing two to five oxygen atoms were observed, including organic acids, multi-functional organic compounds typically emitted from biomass burning, oxidation products of biogenic hydrocarbons and aromatics. Photochemistry played dominant roles in the formation of gaseous organic acids and isoprene-derived organic nitrates, while nighttime chemistry contributed significantly to the formation of monoterpene-derived organic nitrates and inorganics. Nitrogen-containing organic compounds occupied a significant fraction of the total signal in both the gas and particle phases, with elevated fractions at higher molecular weights. Measurements of organic compounds in the particle phase by FIGAERO-I-CIMS explained 24 <span class="inline-formula">±</span> 0.8 % of the total organic aerosol mass measured by aerosol mass spectrometer (AMS), and the fraction increased for more aged organic aerosol. The systematical interpretation of mass spectra of the FIGAERO-I-CIMS in the urban area of Guangzhou provides a holistic view of numerous oxygenated organic compounds in the urban atmosphere, which can serve as a reference for the future field measurements by FIGAERO-I-CIMS in polluted urban regions.</p>https://acp.copernicus.org/articles/21/8455/2021/acp-21-8455-2021.pdf |
| spellingShingle | C. Ye B. Yuan B. Yuan Y. Lin Y. Lin Z. Wang Z. Wang W. Hu T. Li T. Li W. Chen C. Wu C. Wu C. Wang C. Wang S. Huang S. Huang J. Qi J. Qi B. Wang C. Wang W. Song X. Wang E. Zheng E. Zheng J. E. Krechmer P. Ye Z. Zhang Z. Zhang X. Wang X. Wang D. R. Worsnop M. Shao M. Shao M. Shao Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air Atmospheric Chemistry and Physics |
| title | Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air |
| title_full | Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air |
| title_fullStr | Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air |
| title_full_unstemmed | Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air |
| title_short | Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air |
| title_sort | chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide cims with figaero in urban air |
| url | https://acp.copernicus.org/articles/21/8455/2021/acp-21-8455-2021.pdf |
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