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Volume 17, issue 10
Atmos. Chem. Phys., 17, 6373–6391, 2017
https://doi.org/10.5194/acp-17-6373-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 6373–6391, 2017
https://doi.org/10.5194/acp-17-6373-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 29 May 2017

Research article | 29 May 2017

Chemical and isotopic composition of secondary organic aerosol generated by α-pinene ozonolysis

Carl Meusinger et al.

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Data files for Meusinger et al. alpha pinene SOA paper ACP 2017 M. S. Johnson http://www.erda.dk/public/archives/YXJjaGl2ZS16OVF4em0=/published-archive.html

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Short summary
Isotope studies can constrain budgets of secondary organic aerosol (SOA) that is pivotal to air pollution and climate. SOA from α-pinene ozonolysis was found to be enriched in 13C relative to the precursor. The observed difference in 13C between the gas and particle phases may arise from isotope-dependent changes in branching ratios. Alternatively, some gas-phase products involve carbon atoms from highly enriched and depleted sites, giving a non-kinetic origin to the observed fractionations.
Isotope studies can constrain budgets of secondary organic aerosol (SOA) that is pivotal to air...
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