Journal of Radioanalytical Chemistry

, Volume 45, Issue 2, pp 395–406 | Cite as

Detection of air pollution sources in israel by isotope-induced XRF

  • M. Boazi
  • J. Gabay
  • S. Devir
  • C. Shenberg
Physical Methods Section

Abstract

Aerosol samples from urban, industrial and traffic areas were collected and analyzed for various elements. The correlation between the multielement content of the samples and their sources was studied. It was found necessary to anlayze samples before and after ashing because, while ashing improves the peak-to-background ratio, volatile elements may be lost. Samples collected at heights of 1.5 and 15 m were found to have the same elemental composition. Samples collected on consecutive filters showed sharp elemental fractionation An example of source identification is given for a high traffic area as compared with an area in which a large bromine plant is located. In both cases different Pb∶Br ratios were observed, with high bromine concentration in the latter. The analytical method used was based on the detection of characteristic K and L X-rays induced by a241Am-I source-target assembly.

Keywords

Source Identification Traffic Area Settling Dust High Traffic Area Settle Dust Sample 

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Copyright information

© Akadémiai Kiadó 1978

Authors and Affiliations

  • M. Boazi
    • 1
  • J. Gabay
    • 2
  • S. Devir
    • 3
  • C. Shenberg
    • 1
  1. 1.Soreq Nuclear Research CentreYavne(Israel)
  2. 2.Research Institute for Environmental Health NuisancesTel Aviv(Israel)
  3. 3.Biological Research InstituteNes-Ziona(Israel)

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