Characterization of organosulfates in atmospheric aerosols at Four Asian locations

Stone, Elizabeth A.; Yang, Liming; Yu, Liya E.; Rupakheti, Maheswar

doi:10.1016/j.atmosenv.2011.10.058

Cited by 143 publications

(183 citation statements)

References 35 publications

Supporting

Mentioning

170

Contrasting

Order By: Relevance

“…In the Amazon, Kourtchev et al (2016) previously found a similar subset of these unidentified CHOS compounds in SOA samples, suggesting a biogenic influence. Many organosulfates and nitrooxy-organosulfates, previously reported in laboratory studies, ambient aerosols, and cloud water as derived from monoterpene oxidation (Boone et al, 2015;Hamilton et al, 2013;Iinuma et al, 2007aIinuma et al, , b, 2009Kristensen et al, 2016;Kristensen and Glasius, 2011;Lin et al, 2012;Mazzoleni et al, 2012;Nguyen et al, 2012b;Nozière et al, 2010;O'Brien et al, 2014;Pratt et al, 2013;Stone et al, 2012;Surratt et al, 2008), were detected in the biogenic-influenced cloud water samples (Table 2), also consistent with monoterpene emissions along the air mass trajectories (Guenther et al, 2006). In this study, the required solid-phase extraction step precluded the detection of isoprene-derived organosulfates, which would have been removed prior to analysis.…”

Section: Biogenic Influencesupporting

confidence: 66%

Biogenic, urban, and wildfire influences on the molecular composition of dissolved organic compounds in cloud water

Cook¹,

Lin²,

Peng³

et al. 2017

Atmos. Chem. Phys.

View full text Add to dashboard Cite

Abstract. Organic aerosol formation and transformation occurs within aqueous aerosol and cloud droplets, yet little is known about the composition of high molecular weight organic compounds in cloud water. Cloud water samples collected at Whiteface Mountain, New York, during AugustSeptember 2014 were analyzed by ultra-high-resolution mass spectrometry to investigate the molecular composition of dissolved organic carbon, with a focus on sulfur-and nitrogen-containing compounds. Organic molecular composition was evaluated in the context of cloud water inorganic ion concentrations, pH, and total organic carbon concentrations to gain insights into the sources and aqueous-phase processes of the observed high molecular weight organic compounds. Cloud water acidity was positively correlated with the average oxygen : carbon ratio of the organic constituents, suggesting the possibility for aqueous acid-catalyzed (prior to cloud droplet activation or during/after cloud droplet evaporation) and/or radical (within cloud droplets) oxidation processes. Many tracer compounds recently identified in laboratory studies of bulk aqueous-phase reactions were identified in the cloud water. Organosulfate compounds, with both biogenic and anthropogenic volatile organic compound precursors, were detected for cloud water samples influenced by air masses that had traveled over forested and populated areas. Oxidation products of long-chain (C 10−12 ) alkane precursors were detected during urban influence. Influence of Canadian wildfires resulted in increased numbers of identified sulfur-containing compounds and oligomeric species, including those formed through aqueous-phase reactions involving methylglyoxal. Light-absorbing aqueous-phase products of syringol and guaiacol oxidation were observed in the wildfire-influenced samples, and dinitroaromatic compounds were observed in all cloud water samples (wildfire, biogenic, and urban-influenced). Overall, the cloud water molecular composition depended on air mass source influence and reflected aqueous-phase reactions involving biogenic, urban, and biomass burning precursors.

show abstract

Section: Biogenic Influencesupporting

confidence: 66%

Biogenic, urban, and wildfire influences on the molecular composition of dissolved organic compounds in cloud water

Cook¹,

Lin²,

Peng³

et al. 2017

Atmos. Chem. Phys.

View full text Add to dashboard Cite

show abstract

“…Stone et al reported the characterization of OSs in Maldives, Korea, Singapore, and Pakistan. 25 In China, there are only three studies available at present. OSs were detected but not quantified in humic-like substances (HULIS) in the Pearl River Delta (PRD) and Taiwan, and the results indicated that organosulfates and nitrooxy-organosulfates derived from monoterpenes were the dominant species.…”

Section: ■ Introductionmentioning

confidence: 99%

Organosulfates from Pinene and Isoprene over the Pearl River Delta, South China: Seasonal Variation and Implication in Formation Mechanisms

Ding

Wang

et al. 2014

Environ. Sci. Technol.

128

View full text Add to dashboard Cite

Biogenic organosulfates (OSs) are important markers of secondary organic aerosol (SOA) formation involving cross reactions of biogenic precursors (terpenoids) with anthropogenic pollutants. Until now, there has been rare information about biogenic OSs in the air of highly polluted areas. In this study, fine particle (PM 2.5 ) samples were separately collected in daytime and nighttime from summer to fall 2010 at a site in the central Pearl River Delta (PRD), South China. Pinene-derived nitrooxyorganosulfates (pNOSs) and isoprene-derived OSs (iOSs) were quantified using a liquid chromatograph (LC) coupled with a tandem mass spectrometer (MS/MS) operated in negative electrospray ionization (ESI) mode. The pNOSs with MW 295 exhibited higher levels in fall (151 ± 86.9 ng m −3 ) than summer (52.4 ± 34.0 ng m −3 ), probably owing to the elevated levels of NOx and sulfate in fall when air masses mainly passed through city clusters in the PRD and biomass burning was enhanced. In contrast to observations elsewhere where higher levels occurred at nighttime, pNOS levels in the PRD were higher during the daytime in both seasons, indicating that pNOS formation was likely driven by photochemistry over the PRD. This conclusion is supported by several lines of evidence: the specific pNOS which could be formed through both daytime photochemistry and nighttime NO 3 chemistry exhibited no day− night variation in abundance relative to other pNOS isomers; the production of the hydroxynitrate that is the key precursor for this specific pNOS was found to be significant through photochemistry but negligible through NO 3 chemistry based on the mechanisms in the Master Chemical Mechanism (MCM). For iOSs, 2-methyltetrol sulfate ester which could be formed from isoprene-derived epoxydiols (IEPOX) under low-NOx conditions showed low concentrations (below the detection limit to 2.09 ng m −3 ), largely due to the depression of IEPOX formation by the high NOx levels over the PRD. ■ INTRODUCTIONBiogenic volatile organic compounds (BVOCs) including isoprene and monoterpenes 1 contribute significantly to the global secondary organic aerosol (SOA) budget. 2 Recent studies have shown that the conversion of BVOCs to SOA can be significantly promoted in the presence of high anthropogenic emissions. 3−6 As notable SOA products of BVOCs reacting with anthropogenic pollutants under acidic conditions, organosulfates (OSs) have been detected in both laboratory-generated SOA 7−10 and ambient aerosols. 11−18 Moreover, OSs could contribute a significant fraction of fine particles, accounting for up to 30% of organic matter (OM) 9,19−23 and up to 10% of total sulfate. 24,25 The formation mechanisms of OSs are still unclear. Previous chamber studies have demonstrated that both OH-photooxidation and NO 3 dark reactions can form pinene-derived nitrooxy-organosulfates (pNOSs) on acidic particles. 9 The pNOSs were only detected in nighttime samples in northeastern Bavaria, Germany, suggesting a role for nighttime NO 3 chemistry in pNOS formation. 15 How...

show abstract

“…OSs have previously been measured in ambient aerosols at a number of varying geographical locations, from the remote to highly populated urban environments (Surratt et al, 2007(Surratt et al, , 2008; Kristensen et al, 2011;Stone et al, 2012;Zhang et al, 2012b;Worton et al, 2013;Shalamzari et al, 5 2013;Hansen et al, 2014) and also estimated using an AMS (Huang et al, 2015), although their composition and contribution to organic mass can vary significantly. To date, a large number of OSs have been identified across the world, although not all their precursors are known (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Aromatic OSs 15 have been recently observed in Lahore, Pakistan (Stone et al, 2012) and in urban sites in East Asia (Lin et al, 2012) and are considered to originate from anthropogenic sources. Riva et al (2015 and2016) have also previously probed the OS potential from PAH and alkane oxidation in the prescence of acidic sulfate aerosols.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Online gas and particle phase measurements of organosulfates, organosulfonates and nitrooxyorganosulfates in Beijing utilizing a FIGAERO ToF-CIMS

Breton¹,

Wang²,

Hallquist³

et al. 2017

Preprint

View full text Add to dashboard Cite

Abstract. A Time of Flight Chemical Ionisation Mass spectrometer (CIMS) utilizing the Fast Inlet for Gas andAEROsol (FIGAERO) was deployed at a regional site 40 km north west of Beijing and successfully identified and measured 17 sulfur containing organics (SCOs = organo/nitrooxyorgano sulfates and sulfonates) with biogenic and anthropogenic precursors. The SCOs were quantified using laboratory synthesized standards of lactic acid sulfate and nitrophenol organosulfate (NP OS). The mean total (of the 17 identified by CIMS) SCO particle mass concentration 25 was 207 + 106 ng m -3 and had a maxima of 542 ng m -3 , although contributed to only 2 + 2.8% of the organic aerosol (OA). SCO contribution to submicron mass (PM1) indicates a dominant secondary production of SCO due to the low contribution of SCOs to PM1 during periods of high mass loading. The CIMS identified a persistent gas phase presence of SCOs in the ambient air, which was further supported by post campaign vapour pressure measurements of NP OS.An increase in RH appeared to promote partitioning to the particle phase whereas higher temperatures favored higher 30 gas phase concentrations. On average 12% of the total SCOs were observed in the gas phase with C10H16NSO7 having just 5% and IEPOX OS having 44% on average in the gas phase.Biogenic emissions contributed to only 19% of total SCOs detected. C10H16NSO7, an alpha-pinene derived SCO, representing the highest fraction (10%) followed by an isoprene-derived SCO. Anthropogenic SCOs with PAH and Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2017-814 Manuscript under review for journal Atmos. Chem. Phys. Discussion started: 7 November 2017 c Author(s) 2017. CC BY 4.0 License. 2 aromatic precursors dominated the SCO mass loading (51% total SCOs) with C11H11SO7, derived from methyl napthalene oxidation, contributing to 40 ng m -3 and 0.3% of the OA mass. Biomass burning was also identified as a potential anthropogenic and biogenic source of SCOs, based on nitrophenol (NP) and acetonitrile time series via secondary production of NP OS.Gas and particle phase measurements of glycolic acid suggest that partitioning towards the particle phase promotes 5 glycolic acid sulfate production, contrary to the current formation mechanism suggested in the literature. Highly oxidised multifunctional organic compounds (HOMS) and RO2 radical diurnal profiles, as measured by the iodide ToF-CIMS, are similar to that of total SCOs, supporting results that indicate HOMS are able to play a role in SCO production.Anthropogenic related SCOs correlated well with benzene, although their abundance depended highly on the photochemical age of the air mass, tracked using the ratio between pinonic acid and its oxidation product, acting as a 10 qualitative photochemical clock. The HSO4.H2SO4 -cluster measured by the CIMS was utilized as a qualitative marker for acidity and provides further evidence that the production rate of total SCOs is efficient in highly acidic aerosols with high SO4 2-and organic content. This dependency b...

show abstract

Characterization of organosulfates in atmospheric aerosols at Four Asian locations

Cited by 143 publications

References 35 publications

Biogenic, urban, and wildfire influences on the molecular composition of dissolved organic compounds in cloud water

Biogenic, urban, and wildfire influences on the molecular composition of dissolved organic compounds in cloud water

Organosulfates from Pinene and Isoprene over the Pearl River Delta, South China: Seasonal Variation and Implication in Formation Mechanisms

Online gas and particle phase measurements of organosulfates, organosulfonates and nitrooxyorganosulfates in Beijing utilizing a FIGAERO ToF-CIMS

Contact Info

Product

Resources

About