Study of Cl-containing urban aerosol particles by ion beam analytical methods

A. Angyal, Z. Kertész, Z. Szikszai, Z. Szoboszlai

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Fine (aerodynamic diameter <2.5 μm) and coarse (10 μm ≥ aerodynamic diameter ≥ 2.5 μm) mode urban aerosol samples were collected with 2-h time resolution in the frame of several sampling campaigns between 2007 and 2009 in downtown Debrecen, East-Hungary. The elemental composition (for Z ≥ 13) of the samples was measured by particle induced X-ray emission (PIXE). On this basis sources of urban aerosol were determined by factor analysis. For both size fractions a source characterized by high chlorine content were found. However, the origin of the Cl-containing aerosol could not be ascertained. Further investigation of samples characterized with high Cl content were done on the ATOMKI Scanning Nuclear Microprobe Facility in order to determine the possible chemical composition of these particles and thus the potential sources. Morphology, size and elemental composition for Z ≥ 6 of around 1000 coarse mode particles were determined by using STIM (Scanning Transmission Ion Microscopy), light-element PIXE and PIXE analytical methods. Hierarchical cluster analysis was performed on the obtained dataset in order to group the particles; correlations between different elements were also calculated. Five possible sources of Cl were identified, from which four were anthropogenic: winter salting of streets, agriculture through fertilizers, buildings and industry; the natural group was sea-salt.

Original languageEnglish
Pages (from-to)2211-2215
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume268
Issue number11-12
DOIs
Publication statusPublished - Jun 2010

Fingerprint

Ion beams
Particles (particulate matter)
Aerosols
aerosols
ion beams
X rays
Aerodynamics
Chemical analysis
Scanning
Wave transmission
Cluster analysis
Factor analysis
Fertilizers
aerodynamics
Agriculture
Chlorine
Optical microscopy
Salts
Sampling
Hungary

Keywords

  • Aerosol source characterization
  • IBA methods
  • Single particle analysis

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

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abstract = "Fine (aerodynamic diameter <2.5 μm) and coarse (10 μm ≥ aerodynamic diameter ≥ 2.5 μm) mode urban aerosol samples were collected with 2-h time resolution in the frame of several sampling campaigns between 2007 and 2009 in downtown Debrecen, East-Hungary. The elemental composition (for Z ≥ 13) of the samples was measured by particle induced X-ray emission (PIXE). On this basis sources of urban aerosol were determined by factor analysis. For both size fractions a source characterized by high chlorine content were found. However, the origin of the Cl-containing aerosol could not be ascertained. Further investigation of samples characterized with high Cl content were done on the ATOMKI Scanning Nuclear Microprobe Facility in order to determine the possible chemical composition of these particles and thus the potential sources. Morphology, size and elemental composition for Z ≥ 6 of around 1000 coarse mode particles were determined by using STIM (Scanning Transmission Ion Microscopy), light-element PIXE and PIXE analytical methods. Hierarchical cluster analysis was performed on the obtained dataset in order to group the particles; correlations between different elements were also calculated. Five possible sources of Cl were identified, from which four were anthropogenic: winter salting of streets, agriculture through fertilizers, buildings and industry; the natural group was sea-salt.",
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T1 - Study of Cl-containing urban aerosol particles by ion beam analytical methods

AU - Angyal, A.

AU - Kertész, Z.

AU - Szikszai, Z.

AU - Szoboszlai, Z.

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AB - Fine (aerodynamic diameter <2.5 μm) and coarse (10 μm ≥ aerodynamic diameter ≥ 2.5 μm) mode urban aerosol samples were collected with 2-h time resolution in the frame of several sampling campaigns between 2007 and 2009 in downtown Debrecen, East-Hungary. The elemental composition (for Z ≥ 13) of the samples was measured by particle induced X-ray emission (PIXE). On this basis sources of urban aerosol were determined by factor analysis. For both size fractions a source characterized by high chlorine content were found. However, the origin of the Cl-containing aerosol could not be ascertained. Further investigation of samples characterized with high Cl content were done on the ATOMKI Scanning Nuclear Microprobe Facility in order to determine the possible chemical composition of these particles and thus the potential sources. Morphology, size and elemental composition for Z ≥ 6 of around 1000 coarse mode particles were determined by using STIM (Scanning Transmission Ion Microscopy), light-element PIXE and PIXE analytical methods. Hierarchical cluster analysis was performed on the obtained dataset in order to group the particles; correlations between different elements were also calculated. Five possible sources of Cl were identified, from which four were anthropogenic: winter salting of streets, agriculture through fertilizers, buildings and industry; the natural group was sea-salt.

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