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Hünig, Andreas [VerfasserIn]; Appel, Oliver [VerfasserIn]; Dragoneas, Antonis [VerfasserIn]; Molleker, Sergej [VerfasserIn]; Clemen, Hans-Christian [VerfasserIn]; Helleis, Frank [VerfasserIn]; Klimach, Thomas [VerfasserIn]; Köllner, Franziska [VerfasserIn]; Böttger, Thomas [VerfasserIn]; Drewnick, Frank [VerfasserIn]; Schneider, Johannes [VerfasserIn]; Borrmann, Stephan [VerfasserIn]

Design, characterization, and first field deployment of a novel aircraft-based aerosol mass spectrometer combining the laser ablation and flash vaporization techniques

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  • Medientyp: E-Artikel; Sonstige Veröffentlichung
  • Titel: Design, characterization, and first field deployment of a novel aircraft-based aerosol mass spectrometer combining the laser ablation and flash vaporization techniques
  • Beteiligte: Hünig, Andreas [VerfasserIn]; Appel, Oliver [VerfasserIn]; Dragoneas, Antonis [VerfasserIn]; Molleker, Sergej [VerfasserIn]; Clemen, Hans-Christian [VerfasserIn]; Helleis, Frank [VerfasserIn]; Klimach, Thomas [VerfasserIn]; Köllner, Franziska [VerfasserIn]; Böttger, Thomas [VerfasserIn]; Drewnick, Frank [VerfasserIn]; Schneider, Johannes [VerfasserIn]; Borrmann, Stephan [VerfasserIn]
  • Erschienen: Johannes Gutenberg-Universität Mainz, 2022
  • Erschienen in: Atmospheric Measurement Techniques. 15. 9. 2022. 2889. 2921. -
  • Sprache: Englisch
  • DOI: https://doi.org/20.500.12030/8859; https://doi.org/10.25358/openscience-8843
  • ISSN: 1867-8548
  • Entstehung:
  • Anmerkungen: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Beschreibung: In this paper, we present the design, development, and characteristics of the novel aerosol mass spectrometer ERICA (ERC Instrument for Chemical composition of Aerosols; ERC – European Research Council) and selected results from the first airborne field deployment. The instrument combines two well-established methods of real-time in situ measurements of fine particle chemical composition. The first method is the laser desorption and ionization technique, or laser ablation technique, for single-particle mass spectrometry (here with a frequency-quadrupled Nd:YAG laser at D266 nm). The second method is a combination of thermal particle desorption, also called flash vaporization, and electron impact ionization (like the Aerodyne aerosol mass spectrometer). The same aerosol sample flow is analyzed using both methods simultaneously, each using timeof-flight mass spectrometry. By means of the laser ablation, single particles are qualitatively analyzed (including the refractory components), while the flash vaporization and electron impact ionization technique provides quantitative information on the non-refractory components (i.e., particulate sulfate, nitrate, ammonia, organics, and chloride) of small particle ensembles. These techniques are implemented in two consecutive instrument stages within a common sample inlet and a common vacuum chamber. At its front end, the sample air containing the aerosol particles is continuously injected via an aerodynamic lens. All particles which are not ablated by the Nd:YAG laser in the first instrument stage continue their flight until they reach the second instrument stage and impact on the vaporizer surface (operated at 600 C). The ERICA is capable of detecting single particles with vacuum aerodynamic diameters (dva) between 180 and 3170 nm (d50 cutoff). The chemical characterization of single particles is achieved by recording cations and anions with a bipolar time-of-flight mass spectrometer. For the measurement of non-refractory components, the particle size range extends from ...
  • Zugangsstatus: Freier Zugang
  • Rechte-/Nutzungshinweise: Namensnennung (CC BY)