11:30am - 11:45am
TU2-2: 1

Continuous chemical characterization and source apportionment of ultrafine particulate matter (PM0.1) in an urban and a background site

Georgia A. Argyropoulou^1,2, Christina N. Vasilakopoulou¹, Kalliopi Florou¹, Christos Kaltsonoudis¹, Angeliki Matrali^1,2, Andreas Aktypis¹, Maria Georgopoulou^1,2, Katerina Seitanidi¹, Christina Christopoulou^1,2, Panayiotis Kalkavouras³, Nikos Mihalopoulos³, Spyros N. Pandis^1,2

¹Institute of Chemical Engineering Sciences, ICE-HT/FORTH, Patras, 265 04, Greece; ²Department of Chemical Engineering, University of Patras, Patras, 265 04, Greece; ³Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Athens, 118 10, Greece

11:45am - 12:00pm
TU2-2: 2

Assessing the chemical composition of 10-50 nm particles with an online DMA-VIA-MION-Orbitrap setup

Henning Finkenzeller^1,2, Arttu Yli-Kujala¹, Ella Häkkinen¹, Jian Zhao¹, Runlong Cai³, Mrisha Koirala¹, Anna Bengs¹, Paxton Juuti², Aleksei Shcherbinin², Mikael Ehn¹, Juha Kangasluoma¹

¹University of Helsinki, Finland; ²Karsa Ltd, Helsinki, Finland; ³3Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science & Engineering, Fudan University, 200438 Shanghai, China

12:00pm - 12:15pm
TU2-2: 3

A new method to characterize aerosol chemical composition using Nanoelectromechanical Systems Fourier Transform Infrared Spectroscopy: NEMS-FTIR

Mihnea Surdu¹, Jelena Timarac-Popović^2,3, Tatjana Penn², Niklas Luhmann², Johannes Hiesberger², Veljko Vukićević², Radiance Calmer¹, Erine Louisiane Alvino Démolis¹, Lionel Favre¹, Hajrudin Bešić^2,3, Silvan Schmid³, Josiane P. Lafleur², Satoshi Takahama⁴, Julia Schmale¹

¹Extreme Environments Research Laboratory, École Polytechnique Féderale de Lausanne, Sion, 1951, Switzerland; ²Invisible-Light Labs GmbH, Vienna, 1040, Austria; ³Institute of Sensor and Actuator Systems, TU Wien, Vienna, 1040, Austria; ⁴Laboratory of Atmospheric Processes and their Impacts, École Polytechnique Féderale de Lausanne, Lausanne, 1015, Switzerland

12:15pm - 12:30pm
TU2-2: 4

A Round Robin exercise of Xact 625i elemental analysis by intercomparison with reference-free PIXE and XRF techniques

Cosimo Fratticioli^1,2, André Wählisch³, Brukhard Beckhoff³, Giulia Calzolai², Claudio Crazzolara⁵, Massimo Chiari², Fabio Giardi², Armin Gross⁵, Franco Lucarelli^1,2, Manousos-Ioannis Manousakas⁶, Silvia Nava^1,2, Andreas Nowak⁴

¹Department of Physics and Astronomy, Università degli Studi di Firenze, Italy; ²National Institute for Nuclear Physics (INFN), via G. Sansone 1, 50019, Sesto Fiorentino, Italy; ³Physikalisch-Technische Bundesanstalt (PTB), Abbestraße 2-12, 10587 Berlin, Germany; ⁴Airborne Nanoparticles (3.43), Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, 38116, Germany; ⁵Bruker Nano GmbH, Am Studio 2D, 12489 Berlin, Germany; ⁶Environmental Radioactivity & Aerosol Tech. for Atmospheric & Climate Impacts, INRaSTES, National Centre of Scientific Research “Demokritos”, Ag. Paraskevi, 15310, Greece