Nitrooxy organosulfates

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August undefined, 2024

Web南京信息工程大学环境科学与工程学院. 被引频次. 2576. 成果数. 371. h指数. 25. g指数. 43. Web30 de jul. de 2024 · Aliphatic-like nitrooxy OSs (e.g., acyclic compounds) are mainly derived from alkanes, alcohols, ethers, ketones, aldehydes, esters, etc., from anthropogenic and …

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Web9 de mai. de 2024 · DOI: 10.1021/acs.estlett.2c00255 Corpus ID: 248674478; Deciphering 13C and 34S Isotopes of Organosulfates in Urban Aerosols by FT-ICR Mass Spectrometry @article{Xie2024Deciphering1A, title={Deciphering 13C and 34S Isotopes of Organosulfates in Urban Aerosols by FT-ICR Mass Spectrometry}, author={Qiaorong Xie and Sihui Su and … WebOrganosulfates (OSs) are key contributors of atmospheric secondary organic aerosol and have been detected in ambient aerosols in both clean and polluted sites around the world. (1−10) OSs have been shown to make up significant portions of organic aerosol (OA) and PM 2.5 (particulate matter less than 2.5 μm in diameter) mass, (11−13) with isoprene … tavo pikkmets

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Web11 de set. de 2008 · Organosulfates are formed only when monoterpenes are oxidized in the presence of acidified sulfate seed aerosol, a result consistent with prior work. Archived laboratory-generated isoprene SOA and ambient filter samples collected from the southeastern U.S. were reexamined for organosulfates. WebSeveral particulate organic nitrates (MW 215, 229, 231, 245), organosulfates (MW 250, 264, 280, 282, 284), and nitrooxy organosulfates (MW 295, 311, 325, 327, and 343) were … Web15 de mai. de 2024 · As we know, organosulfates (OSs) and organic nitrates (ON) are important contributors for SOA formation, which could be possibly produced through various pathways, resulting in extremely complex formation mechanism of SOA. tavlestandard

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Web7 de abr. de 2009 · Four main groups of organic compounds were identified: compounds containing carbon, hydrogen, and oxygen (CHO) only, sulfur (S) containing CHOS … Web23 de nov. de 2024 · Organosulfates are a class of organic compounds containing one or more sulfate ester functional groups (R-O-SO 3−) in the molecular structures. They are ubiquitously present in ambient atmosphere and are important constituents of atmospheric organic aerosols. tavmar rooms lincolnWeb1 de mar. de 2024 · Organosulfates (OS) are formed in reactions of reactive organic compounds with acidic sulfate aerosols ( Iinuma et al., 2007a; Surratt et al., 2008; Surratt et al., 2007 ). Specifically, isoprene epoxydiol (IEPOX) can react by acid-catalyzed addition of sulfate to form OS ( Surratt et al., 2010 ). tavlor online

"Web27 de mai. de 2024 · Several particulate organic nitrates (MW 215, 229, 231, 245), organosulfates (MW 250, 264, 280, 282, 284), and nitrooxy organosulfates (MW 295, 311, 325, 327, and 343) were identified using high-resolution orbitrap mass spectrometry in NO 2 and SO 2 experiments, and their formation mechanism is discussed. " - Nitrooxy organosulfates

Nitrooxy organosulfates

[PDF] Molecular characterization of organosulfates in organic …

Web18 de out. de 2016 · This finding is supported by both on- and offline soft ionization techniques, which confirmed the presence of several organosulfates and nitrooxy-organosulfates in the particle phase. The chemical composition analysis was compared to hygroscopicity measurements derived from a cloud condensation nuclei counter. Web26 de mai. de 2024 · Abstract. Organosulfates (OSs) derived from the oxidation of biogenic volatile organic compounds (BVOCs) in the presence of anthropogenic sulfate aerosols …

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Web3 de set. de 2014 · The dominant organosulfates that were detected at two locations have distinctly different molecular characteristics. Specifically, the organosulfates in the Los Angeles sample were dominated by biogenic products, while the organosulfates of a yet unknown origin found in the Shanghai sample had distinctive characteristics of long … Web16 de mai. de 2024 · On average, identified nitro-aromatic and nitrooxy-organosulfate compounds accounted for a small fraction of WSON, ranging from ∼ 1 % in spring to ∼ 4 …

WebOrganosulfates (OSs) with ambiguous formation mechanisms are a potential source of missing secondary organic aerosol (SOA) in current atmospheric models. In this study, we … Web3 de set. de 2024 · A time-of-flight chemical ionization mass spectrometer (CIMS) utilizing the Filter Inlet for Gas and Aerosol (FIGAERO) was deployed at a regional site 40 km north-west of Beijing and successfully identified and measured 17 sulfur-containing organics (SCOs are organo/nitrooxy organosulfates and sulfonates) with biogenic and …

Web28 de ago. de 2024 · Organosulfates (OSs), which could contribute to the total mass of ambient organic aerosols by as much as 30 %, may largely explain the discrepancy between observed and modeled global SOA budgets... Web17 de jul. de 2012 · Organosulfates and nitrooxy-organosulfates were often the most intensive peaks in the ESI- spectra. They are believed to be products of reactive uptake of photooxidation products of reactive volatile organic compounds by acidic sulfate particles.

Web1 de fev. de 2024 · Detection of organosulfates and nitrooxy-organosulfates in Arctic and Antarctic atmospheric aerosols, using ultra-high resolution FT-ICR mass spectrometry Sci. Total Environ. (2024) L. Yao et al. Sources apportionment of PM2.5 in a background site in the North China Plain Sci. Total Environ. (2016) L. Wu et al.

Web1 de mai. de 2024 · Organosulfates (OSs) are recognized as important secondary organic aerosols (SOAs) in recent years. Due to their amphipathy and light absorptive capacity, … tavneet singh vu amsterdamWeb6 de jul. de 2024 · Nitrooxy organosulfates derived from terpenes (NOS TP) represent an important class of products formed between anthropogenic pollution (e.g., SO 2 and NO … tavline parisWebfates, and nitrooxy-organosulfates were assigned based on elemental formula comparisons. The majority of the com-pounds identiﬁed are products of atmospheric reactions and are … tavlugunWeb11 de abr. de 2024 · HIGHLIGHTS who: Shujun Zhong and colleagues from the Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin, China have published the paper: Impact of biogenic secondary … Impact of biogenic secondary organic aerosol (soa) loading on the molecular composition of wintertime pm … e bike price iloiloWeb19 de jul. de 2024 · Organosulfates can also be generated from other pathways such as sulfate esterification reactions and the photooxidation of anthropogenic polycyclic … tavlinas uabWeb1 de mai. de 2024 · Organosulfates (OSs) are recognized as important secondary organic aerosols (SOAs) in recent years. Due to their amphipathy and light absorptive capacity, OSs may potentially impact climate. Moreover, OSs can serve as molecular tracers for … tavmisWeb1 de mai. de 2024 · Detection of organosulfates and nitrooxy-organosulfates in Arctic and Antarctic atmospheric aerosols, using ultra-high resolution FT-ICR mass spectrometry … tavo eile filmas