Intercomparison study of six HTDMAs: results and recommendations
Dulipssy, J., Gysel, M., Sjogren, S., Meyer, N., Good, N., Kammermann, L., Michaud, V., Weigel, R., Gruening, S., Martins dos Santos, C., Villiani, P., Laj, P., Sellegri, K., Metzger, A., McFiggans, G., Wehrle, G., Ritcher, R., Dommen, J., Ristovski, Z., Baltensperger, U., & Weingartner, E. (2009) Intercomparison study of six HTDMAs: results and recommendations. Atmospheric Measurement Techniques, 2, pp. 363-378.
We report on an inter-comparison of six different hygroscopicity tandem differential mobility analysers (HTDMAs). These HTDMAs are used worldwide in laboratories and in field campaigns to measure the water uptake of aerosol particles and were never intercompared. After an investigation of the different design of the instruments with their advantages and inconveniencies, the methods for calibration, validation and 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 instrument 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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|Item Type:||Journal Article|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > ATOMIC MOLECULAR NUCLEAR PARTICLE AND PLASMA PHYSICS (020200) > Particle Physics (020203)|
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 2009 The Authors.|
|Copyright Statement:||This work is distributed under the Creative Commons Attribution 3.0 License.|
|Deposited On:||11 Dec 2009 14:43|
|Last Modified:||16 Oct 2014 14:56|
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