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Fengxia Li

Chemical characterisation and source apportionment of atmospheric quasi-ultra-fine particulate matter (PM0.36) : seasonality and spatio-temporal variability

Universität Rostock, 2018

Abstract: This thesis investigated the sources contributing to the organic carbon fraction of quasi-UFP (here PM0.36), itsseasonal variation and temporal-spatial variability. An in-situ derivatization thermal desorption gas chromatography time-of-flight mass spectrometry method was applied to PM0.36 for simultaneous quantification of primary andorganic markers. 5 sources including both primary and secondary sources were resolved by positive matrixfactorization (PMF) modeling based on measured organic species.

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