Articles | Volume 11, issue 10
Atmos. Meas. Tech., 11, 5489–5506, 2018
https://doi.org/10.5194/amt-11-5489-2018
Atmos. Meas. Tech., 11, 5489–5506, 2018
https://doi.org/10.5194/amt-11-5489-2018

Research article 08 Oct 2018

Research article | 08 Oct 2018

Size-resolved online chemical analysis of nanoaerosol particles: a thermal desorption differential mobility analyzer coupled to a chemical ionization time-of-flight mass spectrometer

Andrea C. Wagner et al.

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Latest update: 19 Sep 2021
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Short summary
Chemical analysis of sub-30 nm aerosol particles is important for understanding aerosol nucleation and early growth, yet it is still an experimental challenge. In this study, we present a novel device for size resolved chemical analysis of nucleation and Aitken mode particles (from ~10 to ~30 nm) while allowing gas phase measurements with the same detector. Particles are charged, size selected, electrostatically collected and then thermally desorbed in a carrier gas.