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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/amt-2018-104
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
06 Apr 2018
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Atmospheric Measurement Techniques (AMT).
Organosulfates in atmospheric aerosol: synthesis and quantitative analysis of PM2.5 from Xi’an, Northwest China
Ru-Jin Huang1,2, Junji Cao1, Yang Chen3, Lu Yang1, Jincan Shen4, Qihua You2, Kai Wang1,5, Chunshui Lin1,6, Bo Gao1, Yongjie Li7, Thorsten Hoffmann5, Colin D. O'Dowd6, Merete Bilde8, and Marianne Glasius8 1Key Laboratory of Aerosol Chemistry and Physics, State Key Laboratory of Loess and Quaternary Geology, Institute of Earth and Environment, Chinese Academy of Sciences, Xi ’ an, 710061, China
2Centre for Atmospheric and Marine Sciences, Xiamen Huaxia University, Xiamen 361024, China
3Key Laboratory of Reservoir Aquatic Environment of CAS, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
4Food Inspection & Quarantine Center of Shenzhen Entry - Exit Inspection and Quarantine Bureau, Shenzhen Key Laboratory of Detection Technology R&D on Food Safety, Shenzhen 518045, China
5Institute of Inorganic and Analytical Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10–14, 55128 Mainz, Germany
6School of Physics and Centre for Climate and Air Pollution Studies, Ryan Institute, National University of Ireland Galway, Univers ity Road, Galway, Ireland
7Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau
8Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
Abstract. The sources, formation mechanism and amount of organosulfates (OS) in atmospheric aerosol are not yet well understood, partly due to the lack of authentic standards for quantification. In this study, we report an improved robust procedure for the synthesis of organosulfates with different functional groups. Nine authentic organosulfate standards were synthesized and four standards (benzyl sulfate, phenyl sulfate, glycolic acid sulfate, and hydroxyacetone sulfate) were used to quantify their ambient concentrations. The authentic standards and ambient aerosol samples were analyzed using an optimized ultra performance liquid chromatography-electrospray ionization-tandem mass spectrometric method (UPLC–ESI–MS/MS). The recovery ranged from 80.4 % to 93.2 %, the limits of detection and limits of quantification obtained were 1.1–16.7 pg m−3 and 3.4–55.6 pg m−3, respectively. Measurements of ambient aerosol particle samples collected in winter 2013–2014 in urban Xi’an, northwest China, show that glycolic acid sulfate (77.3 ± 49.2 ng m−3) is the most abundant species of the identified organosulfates followed by hydroxyacetone sulfate (1.3 ± 0.5 ng m−3), phenyl sulfate (0.14 ± 0.09 ng m−3), and benzyl sulfate (0.04 ± 0.01 ng m−3). Except for hydroxyacetone sulfate, which seems to form mainly from biogenic emissions in this region, the organosulfates quantified during winter in Xi’an show an increasing trend with an increase in the mass concentrations of organic carbon indicating their anthropogenic origin.
Citation: Huang, R.-J., Cao, J., Chen, Y., Yang, L., Shen, J., You, Q., Wang, K., Lin, C., Gao, B., Li, Y., Hoffmann, T., O'Dowd, C. D., Bilde, M., and Glasius, M.: Organosulfates in atmospheric aerosol: synthesis and quantitative analysis of PM2.5 from Xi’an, Northwest China, Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2018-104, in review, 2018.
Ru-Jin Huang et al.
Ru-Jin Huang et al.
Ru-Jin Huang et al.

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