Coated soot particles with tunable, well-controlled properties generated in the laboratory with a miniCAST BC and a micro smog chamber

A Micro Smog Chamber (MSC) was coupled for the first time with a miniCAST 5201 Type BC combustion generator with the aim to produce a series of stable and reproducible model aerosols simulating the physical properties of combustion particles present in ambient air. With this setup it was possible to...

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Bibliographic Details
Published in:Journal of aerosol science 2021-09, Vol.157, p.105820, Article 105820
Main Authors: Ess, Michaela N., Bertò, Michele, Keller, Alejandro, Gysel-Beer, Martin, Vasilatou, Konstantina
Format: Article
Language:English
Subjects:
Calibration aerosol
Coating
Micro smog chamber
Secondary organic matter
Soot
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Summary:A Micro Smog Chamber (MSC) was coupled for the first time with a miniCAST 5201 Type BC combustion generator with the aim to produce a series of stable and reproducible model aerosols simulating the physical properties of combustion particles present in ambient air. With this setup it was possible to generate particles ranging from “fresh” soot (single scattering albedo SSA≤0.05, absorption Ångström exponent AAE close to 1, high EC/TC mass fraction (approximately 90%) and mobility diameter typically
ISSN:0021-8502
1879-1964
DOI:10.1016/j.jaerosci.2021.105820