Articles | Volume 14, issue 6
https://doi.org/10.5194/amt-14-4187-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-14-4187-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Jun 2021
Research article |
| 07 Jun 2021
| 07 Jun 2021
Measurement of iodine species and sulfuric acid using bromide chemical ionization mass spectrometers
Mingyi Wang
Center for Atmospheric Particle Studies, Carnegie Mellon University,
Pittsburgh, PA, 15213, USA
Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Henning Finkenzeller
Department of Chemistry & CIRES, University of Colorado Boulder,
Boulder, CO, 80309, USA
Siddharth Iyer
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Dexian Chen
Center for Atmospheric Particle Studies, Carnegie Mellon University,
Pittsburgh, PA, 15213, USA
Department of Chemical Engineering, Carnegie Mellon University,
Pittsburgh, PA, 15213, USA
Jiali Shen
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Mario Simon
Institute for Atmospheric and Environmental Sciences, Goethe
University Frankfurt, 60438 Frankfurt am Main, Germany
Victoria Hofbauer
Center for Atmospheric Particle Studies, Carnegie Mellon University,
Pittsburgh, PA, 15213, USA
Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
Jasper Kirkby
Institute for Atmospheric and Environmental Sciences, Goethe
University Frankfurt, 60438 Frankfurt am Main, Germany
CERN, the European Organization for Nuclear Research, 1211 Geneva
23, Switzerland
Joachim Curtius
Institute for Atmospheric and Environmental Sciences, Goethe
University Frankfurt, 60438 Frankfurt am Main, Germany
Norbert Maier
Department of Chemistry, University of Helsinki, 00014 Helsinki,
Finland
Theo Kurtén
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Department of Chemistry, University of Helsinki, 00014 Helsinki,
Finland
Douglas R. Worsnop
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Aerodyne Research, Inc., Billerica, MA, 01821, USA
Markku Kulmala
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Helsinki Institute of Physics, P.O. Box 64 (Gustaf Hallstromin katu 2), 00014 University of Helsinki, Helsinki, Finland
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, Nanjing University, Nanjing, China
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Matti Rissanen
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
Rainer Volkamer
Department of Chemistry & CIRES, University of Colorado Boulder,
Boulder, CO, 80309, USA
School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082,
China
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Neil M. Donahue
Center for Atmospheric Particle Studies, Carnegie Mellon University,
Pittsburgh, PA, 15213, USA
Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
Department of Chemical Engineering, Carnegie Mellon University,
Pittsburgh, PA, 15213, USA
Department of Engineering and Public Policy, Carnegie Mellon
University, Pittsburgh, PA, 15213, USA
Mikko Sipilä
Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
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Short summary
Atmospheric iodine species are often short-lived with low abundance and have thus been challenging to measure. We show that the bromide chemical ionization mass spectrometry, compatible with both the atmospheric pressure and reduced pressure interfaces, can simultaneously detect various gas-phase iodine species. Combining calibration experiments and quantum chemical calculations, we quantify detection sensitivities to HOI, HIO3, I2, and H2SO4, giving detection limits down to < 106 molec. cm-3.
Atmospheric iodine species are often short-lived with low abundance and have thus been...
