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| Titel |
Intercomparison study of six HTDMAs: results and recommendations |
| VerfasserIn |
J. Duplissy, M. Gysel, S. Sjogren, N. Meyer, N. Good, L. Kammermann, V. Michaud, R. Weigel, S. Martins dos Santos, C. Gruening, P. Villani, P. Laj, K. Sellegri, A. Metzger, G. B. McFiggans, G. Wehrle, Rene Richter, J. Dommen, Z. Ristovski, U. Baltensperger, E. Weingärtner |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 2, no. 2 ; Nr. 2, no. 2 (2009-07-24), S.363-378 |
| Datensatznummer |
250000555
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| Publikation (Nr.) |
 copernicus.org/amt-2-363-2009.pdf |
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| Zusammenfassung |
| We report on an intercomparison of six different hygroscopicity tandem
differential mobility analysers HTDMAs). These HTDMAs are used worldwide in
laboratory experiments and field campaigns to measure the water uptake of
aerosol particles and have never been intercompared. After an investigation of
the different design of the instruments with their advantages and
inconveniencies, the methods for calibration, validation and data analysis
are presented. Measurements of nebulised ammonium sulphate as well as of
secondary organic aerosol generated from a smog chamber were performed.
Agreement and discrepancies between the instruments and to the theory are
discussed, and final recommendations for a standard instrument are given, as
a benchmark for laboratory or field experiments to ensure a high quality of
HTDMA data. |
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