Evolution of Nanoparticle Composition in CLOUD in Presence of Sulphuric Acid, Ammonia and Organics

In this study, we investigate the composition of nucleated nanoparticles formed from sulphuric acid, ammonia, amines, and oxidised organics in the CLOUD chamber experiments at CERN. The investigation is carried out via analysis of the particle hygroscopicity (size range of 15-63 nm), ethanol affinity (15-50nm), oxidation state (<50 nm), and ion composition (few nanometers). The organic volume fraction of particles increased with an increase in particle diameter in presence of the sulphuric acid, ammonia and organics. Vice versa, the sulphuric acid volume fraction decreased when the particle diameter increased. The results provide information on the size-dependent composition of nucleated aerosol particles.

Virtanen, A. (author)
Joutsensaari, J. (author)
Tsagkogeorgas, G. (author)
Duplissy, J. (author)
Schobesberger, S. (author)
Gysel, M. (author)
Riccobono, F. (author)
Slowik, J. G. (author)
Bianchi, F. (author)
Yli-Juuti, T. (author)
Lehtipalo, K. (author)
Rondo, L. (author)
Breitenlechner, M. (author)
Kupc, A. (author)
Almeida, J. (author)
Amorim, A. (author)
Dunne, E. M. (author)
Downard, A. J. (author)
Ehrhart, S. (author)
Franchin, A. (author)
Kajos, M. K. (author)
Kirkby, J. (author)
Kuerten, A. (author)
Nieminen, T. (author)
Makhmutov, V. (author)
Mathot, S. (author)
Miettinen, P. (author)
Onnela, A. (author)
Petaja, T. (author)
Prapland, A. (author)
Santos, F. D. (author)
Schallhart, S. (author)
Sipila, M. (author)
Stozhkov, Y. (author)
Tome, A. (author)
Vaattovaara, P. (author)
Wimmer, D. (author)
Prevot, A. (author)
Dommen, J. (author)
Donahue, N. M. (author)
Flagan, R. C. (author)
Weingartner, E. (author)
Viisanen, Y. (author)
Riipinen, IlonaStockholms universitet,Institutionen för tillämpad miljövetenskap (ITM)(Swepub:su)iriip (author)
Hansel, A. (author)
Curtius, J. (author)
Kulmala, M. (author)
Worsnop, D. R. (author)
Baltensperger, U. (author)
Wex, H. (author)
Stratmann, F. (author)
Laaksonen, A. (author)
Stockholms universitetInstitutionen för tillämpad miljövetenskap (ITM) (creator_code:org_t)

In:NUCLEATION AND ATMOSPHERIC AEROSOLS: American Institute of Physics (AIP), s. 291-2949780735411524

By the author/editor: Keskinen, H.; Virtanen, A.; Joutsensaari, J.; Tsagkogeorgas, G ...; Duplissy, J.; Schobesberger, S ...; show more...; Gysel, M.; Riccobono, F.; Slowik, J. G.; Bianchi, F.; Yli-Juuti, T.; Lehtipalo, K.; Rondo, L.; Breitenlechner, ...; Kupc, A.; Almeida, J.; Amorim, A.; Dunne, E. M.; Downard, A. J.; Ehrhart, S.; Franchin, A.; Kajos, M. K.; Kirkby, J.; Kuerten, A.; Nieminen, T.; Makhmutov, V.; Mathot, S.; Miettinen, P.; Onnela, A.; Petaja, T.; Prapland, A.; Santos, F. D.; Schallhart, S.; Sipila, M.; Stozhkov, Y.; Tome, A.; Vaattovaara, P.; Wimmer, D.; Prevot, A.; Dommen, J.; Donahue, N. M.; Flagan, R. C.; Weingartner, E.; Viisanen, Y.; Riipinen, Ilona; Hansel, A.; Curtius, J.; Kulmala, M.; Worsnop, D. R.; Baltensperger, U ...; Wex, H.; Stratmann, F.; Laaksonen, A.; show less...

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