Articles | Volume 17, issue 23
Atmos. Chem. Phys., 17, 14501–14517, 2017
https://doi.org/10.5194/acp-17-14501-2017
Atmos. Chem. Phys., 17, 14501–14517, 2017
https://doi.org/10.5194/acp-17-14501-2017
Research article
06 Dec 2017
Research article | 06 Dec 2017

Field characterization of the PM2.5 Aerosol Chemical Speciation Monitor: insights into the composition, sources, and processes of fine particles in eastern China

Yunjiang Zhang et al.

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Latest update: 30 Jan 2023
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Short summary
We conducted the first field measurements of non-refractory fine aerosols (NR-PM2.5) in a megacity of eastern China using a PM2.5-ACSM along with a PM1-ACSM measurement. Inter-comparisons demonstrated that the NR-PM2.5 components can be characterized. Substantial mass fractions of aerosol species were observed in the size range of 1–2.5 μm, with sulfate and SOA being the two largest contributors. The impacts of aerosol water driven by secondary inorganic aerosols on SOA formation were explored.
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