A New Method for Atmospheric Nitrogen Dioxide Measurements Using the Combination of a Stripping Coil and Fluorescence Detection

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  • CHEN Xinyu
    Department of Applied Materials Science, Graduate School of Engineering, Osaka Prefecture University
  • ORO Yoshiro
    Department of Applied Materials Science, Graduate School of Engineering, Osaka Prefecture University
  • TANAKA Kenta
    Department of Applied Materials Science, Graduate School of Engineering, Osaka Prefecture University
  • TAKENAKA Norimichi
    Department of Applied Materials Science, Graduate School of Engineering, Osaka Prefecture University
  • BANDOW Hiroshi
    Department of Applied Materials Science, Graduate School of Engineering, Osaka Prefecture University

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  • New Method for Atmospheric Nitrogen Dioxide Measurements Using the Combination of a Stripping Coil and Fluorescence Detection

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Abstract

A new stripping coil for the collection of nitrogen dioxide (NO2) has been developed to increase its versatility and efficiency. Nitrogen dioxide measurements based on quantitative collection through a reaction coil into an alkaline solution has been examined. Nitrogen dioxide is collected in a 0.1 N NaOH solution. This collection system has an efficiency of nearly 100%. The absorbed nitrogen dioxide has been measured by fluorescence detection with sub-ppbv detection limits. The excitation wavelength at 360 nm and the produced emission wavelength at 405 nm were suitable for nitrite ion measurements.

Journal

  • Analytical Sciences

    Analytical Sciences 20 (7), 1019-1023, 2004

    The Japan Society for Analytical Chemistry

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