δ13C signatures of organic aerosols: Measurement method evaluation and application in a source study

Journal of Aerosol Science(2020)

Cited 13|Views16
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Abstract
Analysis of the stable carbon isotope 13C in organic carbon (OC) can give insight into sources and atmospheric processing of carbonaceous aerosols, provided the 13C source signatures are known. However, only few data on 13C signatures of OC emitted by common sources of carbonaceous aerosol are available in Europe. We present and evaluate an improved version of a measurement method to obtain δ13C signatures on organic aerosols desorbed from filter samples at three different desorption temperatures (200 °C, 350 °C and 650 °C) and apply it in a source study.
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Key words
Carbonaceous aerosol,Organic carbon,Source apportionment,Stable carbon isotope,Aerosol emission sources
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