HONO measurements with a chemical ionization mass spectrometer during FIONA
Jeßberger, Philipp and Voigt, Christiane and Schäuble, Dominik and Kaufmann, Stefan and Kleffmann, Jörg and Rodénas, Mila and Munoz, Amalia (2011) HONO measurements with a chemical ionization mass spectrometer during FIONA. 75. Jahrestagung der DPG, Fachverband Umweltphysik, 13.-18.März 2011, Dresden, Deutschland.
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Nitrous acid (HONO) is an important source of the OH radical, the primary oxidant in the atmosphere. The chemistry of HONO and its possible sources in the atmosphere are not well understood. The aims of the FIONA (Formal Intercomparisons of Observations of Nitrous Acid) campaign are to establish a better understanding of HONO chemistry and to intercompare different measurement techniques. Data from 19 instruments from 9 countries including spectroscopy (DOAS, BBCEAS, LIF), wet chemistry, denuders and mass spectrometry were intercompared at typical urban and semi-rural conditions at the simulation chamber Euphore. During the FIONA campaign we deployed an Atmospheric chemical Ionization Mass Spectrometer (AIMS). The AIMS has extensively been calibrated to a gas-phase HONO source and interferences with other gases (particularly water) have been tested. We show first results of our mass spectrometric measurements. For specific observation conditions, the chemical ionization mass spectrometry can be used as a fast and sensitive method for the detection of HONO in the atmosphere.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||HONO measurements with a chemical ionization mass spectrometer during FIONA|
|Date:||16 March 2011|
|Keywords:||CIMS, HONO, mass spectrometry, SF5-, FIONA|
|Event Title:||75. Jahrestagung der DPG, Fachverband Umweltphysik|
|Event Location:||Dresden, Deutschland|
|Event Dates:||13.-18.März 2011|
|Organizer:||Deutsche Physikalische Gesellschaft|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AO - Air Traffic Management and Operation|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AO - Air Traffic Management and Operation|
|DLR - Research theme (Project):||L - Climate, Weather and Environment|
|Institutes and Institutions:||Institute of Atmospheric Physics > Atmospheric Trace Species|
|Deposited By:||Philipp Jeßberger|
|Deposited On:||27 Feb 2012 13:09|
|Last Modified:||27 Feb 2012 13:09|
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