Articles | Volume 16, issue 1
https://doi.org/10.5194/acp-16-293-2016
https://doi.org/10.5194/acp-16-293-2016
Research article
 | 
18 Jan 2016
Research article |  | 18 Jan 2016

Hygroscopicity of nanoparticles produced from homogeneous nucleation in the CLOUD experiments

J. Kim, L. Ahlm, T. Yli-Juuti, M. Lawler, H. Keskinen, J. Tröstl, S. Schobesberger, J. Duplissy, A. Amorim, F. Bianchi, N. M. Donahue, R. C. Flagan, J. Hakala, M. Heinritzi, T. Jokinen, A. Kürten, A. Laaksonen, K. Lehtipalo, P. Miettinen, T. Petäjä, M. P. Rissanen, L. Rondo, K. Sengupta, M. Simon, A. Tomé, C. Williamson, D. Wimmer, P. M. Winkler, S. Ehrhart, P. Ye, J. Kirkby, J. Curtius, U. Baltensperger, M. Kulmala, K. E. J. Lehtinen, J. N. Smith, I. Riipinen, and A. Virtanen

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jaeseok Kim on behalf of the Authors (11 Nov 2015)  Author's response
AR by Svenja Lange on behalf of the Authors (25 Nov 2015)  Author's response
ED: Publish as is (17 Dec 2015) by Hang Su
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Short summary
The hygroscopicity of nucleated nanoparticles was measured in the presence of sulfuric acid, sulfuric acid-dimethylamine, and sulfuric acid-organics derived from α-pinene oxidation during CLOUD7 at CERN in 2012. The hygroscopicity parameter κ decreased with increasing particle size, indicating decreasing acidity of particles.
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