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@ARTICLE{Dewald:890998,
      author       = {Dewald, Patrick and Liebmann, Jonathan M. and Friedrich,
                      Nils and Shenolikar, Justin and Schuladen, Jan and Rohrer,
                      Franz and Reimer, David and Tillmann, Ralf and Novelli, Anna
                      and Cho, Changmin and Xu, Kangming and Holzinger, Rupert and
                      Bernard, François and Zhou, Li and Mellouki, Wahid and
                      Brown, Steven S. and Fuchs, Hendrik and Lelieveld, Jos and
                      Crowley, John N.},
      title        = {{E}volution of ${NO}\<sub\>3\</sub\>$ reactivity during the
                      oxidation of isoprene},
      journal      = {Atmospheric chemistry and physics},
      volume       = {20},
      number       = {17},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2021-01305},
      pages        = {10459 - 10475},
      year         = {2020},
      abstract     = {In a series of experiments in an atmospheric simulation
                      chamber (SAPHIR,1 Forschungszentrum Jülich, Germany), NO3
                      reactivity (kNO3) resulting from the reaction of NO3 with
                      isoprene and stable trace gases formed as products was
                      measured directly using a flow tube reactor coupled to a
                      cavity ring-down spectrometer (FT-CRDS). The experiments
                      were carried out in both dry and humid air with variation of
                      the initial mixing ratios of ozone (50–100 ppbv),
                      isoprene (3–22 ppbv) and NO2 (5–30 ppbv). kNO3 was
                      in excellent agreement with values calculated from the
                      isoprene mixing ratio and the rate coefficient for the
                      reaction of NO3 with isoprene. This result serves to confirm
                      that the FT-CRDS returns accurate values of kNO3 even at
                      elevated NO2 concentrations and to show that reactions of
                      NO3 with stable reaction products like non-radical organic
                      nitrates do not contribute significantly to NO3 reactivity
                      during the oxidation of isoprene. A comparison of kNO3 with
                      NO3 reactivities calculated from NO3 mixing ratios and NO3
                      production rates suggests that organic peroxy radicals and
                      HO2 account for $∼50 \%$ of NO3 losses. This contradicts
                      predictions based on numerical simulations using the Master
                      Chemical Mechanism (MCM version 3.3.1) unless the rate
                      coefficient for reaction between NO3 and isoprene-derived
                      RO2 is roughly doubled to
                      ∼5×10−12 cm3 molecule−1 s−1.},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {243 - Tropospheric trace substances and their
                      transformation processes (POF3-243)},
      pid          = {G:(DE-HGF)POF3-243},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000569419500001},
      doi          = {10.5194/acp-20-10459-2020},
      url          = {https://juser.fz-juelich.de/record/890998},
}