Articles | Volume 16, issue 21
Atmos. Chem. Phys., 16, 13389–13398, 2016
https://doi.org/10.5194/acp-16-13389-2016
Atmos. Chem. Phys., 16, 13389–13398, 2016
https://doi.org/10.5194/acp-16-13389-2016

Research article 31 Oct 2016

Research article | 31 Oct 2016

Composition and oxidation state of sulfur in atmospheric particulate matter

Amelia F. Longo et al.

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Short summary
New synchrotron-based techniques were applied to characterize the oxidation state and composition of sulfur in ambient aerosol and emission sources. Individual particles were found to contain surprisingly high levels of elemental sulfur, a form of sulfur found in only one of the emission sources analyzed. We also show metal sulfates as a key component of urban aerosols. These metal sulfate phases are highly soluble and are indicative of acidic processes transforming metals in the environment.
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