An on-line indicator of atmospheric pollution via particle growth

  • Fendel W
  • Schmidt-Ott A
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Abstract

Intermediate products of atmospheric photochemistry such as radicals and unvolatile products like H2SO4have a high tendency of attaching to or condensing on suspended particles. This is the basic idea of developing an on-line indicator of atmospheric pollution via particle growth. The apperatus consists of an aerosol generator and a Tandem Differential Mobility Analyzer (TDMA) with a flow type smog chamber in the middle in which the photochemical process in environmental air is simulated. Particle growth in the size range of a monolayer can easily be detected. © 1992.

Author-supplied keywords

  • Atmospheric pollution
  • TDMA
  • particle growth
  • photochemistry

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Authors

  • W. Fendel

  • A. Schmidt-Ott

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