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Measurement of nitrous acid and retrieval of aerosol parameters with differential optical absorption spectroscopy

Hao Nan Zhou Bin Chen Li-Min

Measurement of nitrous acid and retrieval of aerosol parameters with differential optical absorption spectroscopy

Hao Nan, Zhou Bin, Chen Li-Min
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  • Received Date:  03 July 2005
  • Accepted Date:  12 September 2005
  • Published Online:  20 March 2006

Measurement of nitrous acid and retrieval of aerosol parameters with differential optical absorption spectroscopy

  • 1. 复旦大学环境科学与工程系,上海 200433

Abstract: Differential optical absorption spectroscopy (DOAS) is a spectroscopic technique which can be used to monitor many kinds of air pollutants simultaneously. In th is paper, in situ measurement of nitrous acid and retrieval of aerosol parameter s in a fixed wavelength range (307 nm—380 nm) were performed with DOAS system d eveloped by our laboratory. The measurements of HONO concentration were more acc urate using the NO2 standard absorption cross section measured by our selves a nd aerosol parameters were retrieved successfully in a shorter wavelength range.

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