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@ARTICLE{Fisseha:55985,
      author       = {Fisseha, R. and Dommen, J. and Gaeggeler, K. and
                      Weingartner, E. and Samburova, V. and Kalberer, M. and
                      Baltensperger, U.},
      title        = {{O}nline gas and aerosol measurement of water soluble
                      carboxylic acids in {Z}urich},
      journal      = {Journal of Geophysical Research},
      volume       = {111},
      issn         = {0148-0227},
      address      = {Washington, DC},
      publisher    = {Union},
      reportid     = {PreJuSER-55985},
      pages        = {D12316},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {[ 1] We discuss the diurnal and seasonal variability of low
                      molecular weight organic acids in Zurich city on the basis
                      of online quasi-continuous measurement in the gas and
                      aerosol phase using a wet effluent diffusion denuder/aerosol
                      collector(WEDD/AC) coupled to ion chromatography. The
                      measurements were performed during August - September 2002
                      and March 2003. Acetic acid exhibited the highest
                      concentration in the gas phase during all the measurement
                      periods, followed by formic acid. Oxalic acid was
                      predominantly found in the aerosol phase and often below the
                      detection limit in the gas phase. In addition, filter
                      samples were analyzed using ion chromatography - mass
                      spectrometry (IC-MS) to provide more information on organic
                      acids in the aerosol phase. From the offline IC-MS
                      measurements, 20 monocarboxylic, dicarboxylic, and
                      tricarboxylic acids were determined. In addition, more than
                      20 different masses were detected with the MS; however,
                      identification of the organic acids was not possible. The
                      sum of the carboxylic acids contributed on average $2\%$ to
                      the water soluble organic carbon (WSOC). The fraction of
                      dicarboxylic acids to the WSOC was higher in summer compared
                      to winter suggesting that dicarboxylic acids are mainly a
                      result of photochemical reactions in summer whereas in
                      winter they mainly result from primary sources.},
      keywords     = {J (WoSType)},
      cin          = {ICG-II},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB48},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000238938600003},
      doi          = {10.1029/2005JD006782},
      url          = {https://juser.fz-juelich.de/record/55985},
}