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@ARTICLE{VolzThomas:44426,
      author       = {Volz-Thomas, A. and Berg, M. and Heil, T. and Houben, N.
                      and Lerner, A. and Petrick, W. and Raak, D. and Pätz,
                      H.-W.},
      title        = {{M}easurements of total odd nitrogen ({NO}y) aboard
                      {MOZAIC} in-service aircraft: instrument design, operation
                      and performance},
      journal      = {Atmospheric chemistry and physics},
      volume       = {5},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-44426},
      pages        = {583 - 595},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A small system for the unattended measurement of total odd
                      nitrogen (NOy, i.e., the sum of NO and its atmospheric
                      oxidation products) aboard civil in-service aircraft in the
                      framework of MOZAIC is described. The instrument employs the
                      detection of NO by its chemiluminescence with O-3 in
                      combination with catalytic conversion of the other NOy
                      compounds to NO at 300degreesC on a gold surface in the
                      presence of H-2. The instrument has a sensitivity of 0.4-0.7
                      cps/ppt and is designed for unattended operation during 1-2
                      service cycles of the aircraft (400-800 flight hours). The
                      total weight is 50 kg, including calibration system,
                      compressed gases, mounting, and safety measures. The layout
                      and inlet configuration are governed by requirements due to
                      the certification for passenger aircraft. Laboratory tests
                      are described regarding the conversion efficiency for NO2
                      and HNO3 (both > $98\%).$ Interference by non-NOy species is
                      $<1\%$ for CH3CN and NH3, <5 x 10(-5) $\%$ for N2O
                      (corresponding to <0.2 ppt fake NOy from ambient N2O) and
                      $100\%$ for HCN. The time response of the instrument is <1 s
                      $(90\%$ change) for NO2. The response for HNO3 is nonlinear:
                      20 s for $67\%,$ 60 s for $80\%,$ and 150 s for $90\%$
                      response, respectively.},
      keywords     = {J (WoSType)},
      cin          = {ICG-II},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB48},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000227244500001},
      url          = {https://juser.fz-juelich.de/record/44426},
}