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- W2906594871 abstract "Water soluble organic carbon significantly contributes to aerosol's carbon mass and its chemical composition is poorly characterized due to the huge number of species. In this study, we determined 94 water-soluble compounds: inorganic ions (Cl-, Br-, I-, NO3-, SO42-,K+, Mg+, Na+, NH4+, Ca2+), organic acids (methanesulfonic acid and C2-C7 carboxylic acids), monosaccharides, alcohol-sugars, levoglucosan and its isomers, sucrose, phenolic compounds, free l- and d-amino acids and photo-oxidation products of α-pinene (cis-pinonic acid and pinic acid). The sampling was conducted using a micro-orifice uniform deposit impactor (MOUDI) at the urban area of Mestre-Venice from March to May 2016. The main aim of this work is to identify the source of each detected compound, evaluating its particle size distribution. Clear differences in size distributions were observed for each class of analyzed compounds. The positive matrix factorization (PMF) model was used to identify six factors related to different sources: a) primary biogenic aerosol particles with particle size > 10 μm; b) secondary sulfate contribution; c) biomass burning; d) primary biogenic aerosol particles distributed between 10 and 1 μm; e) an aged sea salt input and f) SOA pinene. Each factor was also characterized by different composition in waters soluble compounds and different particles size distribution." @default.
- W2906594871 created "2019-01-01" @default.
- W2906594871 creator A5024048742 @default.
- W2906594871 creator A5038586419 @default.
- W2906594871 creator A5050046882 @default.
- W2906594871 creator A5057121840 @default.
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- W2906594871 creator A5068388742 @default.
- W2906594871 creator A5086943207 @default.
- W2906594871 creator A5087352439 @default.
- W2906594871 date "2019-03-01" @default.
- W2906594871 modified "2023-09-24" @default.
- W2906594871 title "Characterization of the water soluble fraction in ultrafine, fine, and coarse atmospheric aerosol" @default.
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