Measurements of cluster ions using a nano radial DMA and a particle size magnifier in CLOUD

Alessandro Franchin, Juha Kangasluoma, Katrianne Lehtipalo, Andrew Downard, Tuomo Nieminen, Siegfried Schobesberger, Jonathan Duplissy, Tuukka Petäjä, Richard Flagan, Markku Kulmala

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We built a new instrumental setup for measuring ion distributions in the size range [1.3-6] nm. The implementation of an high transmission inlet increased the total transmission efficiency to more than 6% at 1.47 nm mobility equivalent diameter, allowing the detection of ions at atmospheric concentrations. The size resolution of our measurements is as high as 6. We characterized the instrument in the laboratory and carried out measurements during the CLOUD7 campaign. We compared the results obtained with the Neutral cluster and Air Ion spectrometer finding very good agreement.

Original languageEnglish
Title of host publicationNucleation and Atmospheric Aerosols - 19th International Conference
Pages287-290
Number of pages4
DOIs
StatePublished - 2013
Event19th International Conference on Nucleation and Atmospheric Aerosols, ICNAA 2013 - Fort Collins, CO, United States
Duration: Jun 23 2013Jun 28 2013

Publication series

NameAIP Conference Proceedings
Volume1527
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference19th International Conference on Nucleation and Atmospheric Aerosols, ICNAA 2013
Country/TerritoryUnited States
CityFort Collins, CO
Period06/23/1306/28/13

Keywords

  • CLOUD experiment
  • Ions
  • nano radial DMA

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