Characterisation and field deployment of a novel quantitative time-of-flight aerosol mass spectrometer (ToF-AMS) [Elektronische Ressource] / vorgelegt von Silke S. Hings

Characterisation and Field Deployment of a Novel Quantitative Time-of-Flight Aerosol Mass Spectrometer (ToF-AMS) Dissertation zur Erlangung des Grades „Doktor der Naturwissenschaften“ am Fachbereich Physik, Mathematik und Informatik der Johannes Gutenberg-Universität in Mainz vorgelegt von Silke S. Hings geboren in Mainz Mainz, den 24. November 2006 II Contents 1 Introduction ...................................................................................................................... 1 1.1 The Atmospheric Aerosol.......................................................................................... 1 1.2 Measurement of Atmospheric Aerosols .................................................................... 5 1.2.1 Online Aerosol Mass Spectrometry ................................................................. 5 1.3 Objectives of this Work........................................................................................... 13 2 The Time-of-Flight Aerosol Mass Spectrometer – Set-up and Operation ................ 15 2.1 Set-up....................................................................................................................... 15 2.1.1 Aerosol Inlet and Sampling Chamber ............................................................ 17 2.1.2 Particle Sizing Chamber................................................................................. 19 2.1.