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

Keskinen, H. (author)
Virtanen, A. (author)
Joutsensaari, J. (author)
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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, Ilona (author)
Stockholms universitet,Institutionen för tillämpad miljövetenskap (ITM)
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)
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 (creator_code:org_t)
American Institute of Physics (AIP), 2013
2013
English.
In: NUCLEATION AND ATMOSPHERIC AEROSOLS. - : American Institute of Physics (AIP). - 9780735411524 ; , s. 291-294
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)

Keyword

CLOUD
nanoparticles
hygroscopicity
ethanol affinity
composition

Publication and Content Type

ref (subject category)
kon (subject category)

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