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@ARTICLE{Mhler:35996,
      author       = {Möhler, O. and Linke, C. and Saathoff, H. and Schnaiter,
                      M. and Wagner, R. and Mangold, A. and Krämer, M. and
                      Schurath, U.},
      title        = {{I}ce nucleation on flame soot aerosol of different organic
                      arbon content},
      journal      = {Meteorologische Zeitschrift},
      volume       = {14},
      issn         = {0941-2948},
      address      = {Stuttgart},
      publisher    = {E. Schweizerbart Science Publishers},
      reportid     = {PreJuSER-35996},
      pages        = {477 - 484},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The aerosol chamber AIDA (Aerosol Interactions and Dynamics
                      in the Atmosphere) was used as a moderate expansion cloud
                      chamber to investigate the effect of the organic carbon (OC)
                      content on the ice nucleation properties of soot aerosol
                      particles. Two different soot samples with OC contents of
                      $16\%$ (CS16) and 40 $\%$ (CS40) where produced with the
                      CAST (Combustion Aerosol Standard) burner operated at
                      different air/fuel (propane) ratios. In dynamic expansion
                      experiments with about 30 $\%/min$ increase of relative
                      humidity with respect to ice, the CS16 sample started to
                      nucleate ice crystals at an ice saturation ratio S-in of
                      1.45 (at a temperature of 207 K). This value is very close
                      to the ice saturation ratio of ice nucleation onset on
                      carbon spark generator soot particles coated with a
                      significant amount of sulphuric acid investigated in
                      previous AIDA expansion experiments. A second experiment
                      with CS40 soot performed at almost identical thermodynamic
                      conditions showed ice nucleation onset to occur at S-in
                      between 1.5 and 1.7. The formation rate of ice crystals was
                      at least two orders of magnitude less than for CS16 soot,
                      even at ice saturation ratios up to values of 1.9, which is
                      very close to water saturation at a temperature of 207 K.
                      Therefore, increasing the amount of OC seems to
                      significantly suppress the ice nucleation on flame soot
                      particles. In contrast, similar expansion experiments with
                      dry and untreated mineral dust particles (Arizona test dust)
                      in the temperature range 194 to 241 K showed ice nucleation
                      to occur at much lower ice saturation ratios of only 1.05 to
                      1.15.},
      keywords     = {J (WoSType)},
      cin          = {ICG-I},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB47},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000233148300006},
      doi          = {10.1127/0941-2948/2005/0055},
      url          = {https://juser.fz-juelich.de/record/35996},
}