Molecular characteristics, sources and transformation of water-insoluble organic matter in cloud water
文献类型：期刊论文
| 作者 | Sun, Wei3,4,5; Guo, Ziyong3,4,5; Peng, Xiaocong3,4,5; Lin, Juying3,4,5; Fu, Yuzhen4,5; Yang, Yuxiang4,5; Zhang, Guohua2,4,5 ; Jiang, Bin4,5; Liao, Yuhong4,5; Chen, Duohong1
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| 刊名 | ENVIRONMENTAL POLLUTION
 |
| 出版日期 | 2023 |
| 卷号 | 325页码:121430 |
| 关键词 | POLYCYCLIC AROMATIC-HYDROCARBONS FT-ICR MS MASS-SPECTROMETRY AEROSOL FORMATION LIGHT-ABSORPTION NITRATED PHENOLS URBAN PARTICLES FOG ELECTROSPRAY |
| ISSN号 | 0269-7491 |
| DOI | 10.1016/j.envpol.2023.121430 |
| 英文摘要 | Studies have shown that water-insoluble organic matter (WIOM) accounts for a large part of the organic components in cloud water and significantly contributes to brown carbon. However, the molecular characteristics of WIOM in cloud droplets remain unclear, hampering the understanding of their climate effects. In this study, cloud water was collected at a remote mountain site in South China during the winter of 2020, and WIOM was separated by membrane filtration, extracted by methanol, and characterized using Fourier transform ion cyclotron resonance mass spectrometry coupled with an electrospray ionization source. A total of 697–1637 molecules were identified in WIOM. WIOM is characterized by lower oxidation states of carbon atoms (?1.10 ? ?0.84 in WIOM vs. ?0.58 ? ?0.51 in water-soluble organic matter (WSOM) on average), higher carbon number (14.12–20.59 vs. 9.87–10.56) and lower unsaturation (double-bond equivalent 4.55–4.95 vs. 4.84–5.23) relative to WSOM. More abundant lipid-like compounds (12.2–41.9% in WIOM vs. ? 2023 Elsevier Ltd |
| WOS研究方向 | Environmental Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000957598400001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/80303]  |
| 专题 | 有机地球化学国家重点实验室 |
| 作者单位 | 1.State Environmental Protection Key Laboratory of Regional Air Quality Monitoring, Guangdong Environmental Monitoring Center, Guangzhou; 510308, China 2.Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou; 510640, China 3.University of Chinese Academy of Sciences, Beijing; 100049, China 4.CAS Center for Excellence in Deep Earth Science, Guangzhou; 510640, China 5.State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou; 510640, China |
| 推荐引用方式 GB/T 7714 | Sun, Wei,Guo, Ziyong,Peng, Xiaocong,et al. Molecular characteristics, sources and transformation of water-insoluble organic matter in cloud water[J]. ENVIRONMENTAL POLLUTION,2023,325:121430. |
| APA | Sun, Wei.,Guo, Ziyong.,Peng, Xiaocong.,Lin, Juying.,Fu, Yuzhen.,...&Bi, Xinhui.(2023).Molecular characteristics, sources and transformation of water-insoluble organic matter in cloud water.ENVIRONMENTAL POLLUTION,325,121430. |
| MLA | Sun, Wei,et al."Molecular characteristics, sources and transformation of water-insoluble organic matter in cloud water".ENVIRONMENTAL POLLUTION 325(2023):121430. |
入库方式： OAI收割
来源：广州地球化学研究所
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