3:00pm - 3:15pm
MO4-5: 1

Molecular characterization and variability of organic aerosols in rural and urban sites of the Po Valley

Luca D'Angelo¹, Florian Ungeheuer¹, Jialiang Ma¹, Eleonora Cuccia², Cristina Colombi², Umberto Dal Santo², Beatrice Biffi², Alexander Lucas Vogel¹

¹Institute for Atmospheric and Environmental Sciences, Goethe-University Frankfurt, Frankfurt am Main, Germany; ²Environmental Protection Agency of Lombardy Region (ARPA Lombardia), Milan, Italy

3:15pm - 3:30pm
MO4-5: 2

Organic aerosols of the UTLS. Differences in tropospheric and stratospheric composition.

Anna Breuninger¹, Philipp Joppe^2,3, Jonas Wilsch³, Heiko Bozem², Nicolas Emig², Peter Hoor², Anette Miltenberger², Cornelis Schwenk², Sarah Richter¹, Laurin Merkel¹, Arthur Kutschka⁴, Philipp Waleska⁴, Stefan Hofmann⁴, Konstantin Dörholt¹, Johannes Schneider³, Joachim Curtius¹, Thorsten Hoffmann⁵, Alexander Vogel¹

¹Goethe University Frankfurt, Germany; ²Institute for Atmospheric Physics, Johannes Gutenberg University, Mainz; ³Particle Chemistry Department, Max Planck Institute for Chemistry, Mainz; ⁴enviscope GmbH, Messtechnik für Umweltforschung, Frankfurt, Germany; ⁵Department of Chemistry, Johannes Gutenberg University, Mainz

3:30pm - 3:45pm
MO4-5: 3

Ambient Ultrafine Particles - Sampling, Classification and Chemical Characterization including the Quantification of ubiquitous PAHs

Nadine Gawlitta^1,2, Elisabeth Eckenberger⁴, Martin Sklorz¹, Jürgen Schnelle-Kreis¹, Anke C. Nölscher⁴, Ralf Zimmermann^1,3

¹Joint Mass Spectrometry Centre (JMSC), Comprehensive Molecular Analytics, Helmholtz Munich, 85764 Neuherberg, Germany; ²Analytical Chemistry Group, Department of Plant and Environmental Sciences (PLEN), University of Copenhagen, 1871 Frederiksberg C, Denmark; ³JMSC, Analytical Chemistry, University of Rostock, 18059 Rostock, Germany; ⁴Bayreuth Center of Ecology and Environmental Research (BayCEER), University of Bayreuth, Germany

3:45pm - 4:00pm
MO4-5: 4

Chamber of secrets: Dimers and other degradation products of sabinene and limonene

Þuríður Nótt Björgvinsdóttir, Katja Olsen Møller Åbom, Merete Bilde, Mette Kirstine Løchte Jørgensen, Marianne Glasius

Aarhus University, Denmark

4:00pm - 4:15pm
MO4-5: 5

Assessing size-resolved molecular characteristics of primary and secondary organic aerosols in the Amazon rainforest by high-resolution Orbitrap mass spectrometry

Stefanie Hildmann¹, Sebastian Brill², Leslie Kremper², Christopher Pöhlker², Thorsten Hoffmann¹

¹Johannes Gutenberg-University, Mainz, Germany; ²Max-Planck Institute for Chemistry, Mainz, Germany

4:15pm - 4:30pm
MO4-5: 6

Characterization of surfactants in aerosol PM1 from different environments and cloud water from France

Jim Grisillon¹, Fabien Robert-Peillard¹, Amandine Durand¹, Sylvain Ravier¹, Julien Dron², Junteng Wu³, Nicolas Brun¹, Stéphanie Rossignol¹, Alfons Scharzenboeck³, Ludovic Fine⁴, Barbara Nozière⁵, Daniele Zannoni⁶, Harald Sodemann⁶, Julien Totems⁷, Patrick Chazette⁷, Anne Monod¹

¹Aix Marseille Univ, CNRS, LCE, Marseille, France; ²Institut Ecocitoyen pour la Connaissance des Pollutions, 13270 Fos-sur-Mer, France; ³Université Clermont Auvergne, CNRS, OPGC, LaMP, F-63000 Clermont Ferrand, France; ⁴IRCE Lyon, Université Lyon 1, Villeurbanne, France; ⁵Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden; ⁶Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, Bergen, Norway; ⁷LSCE, Université Paris-Saclay, Gif sur Yvette, France