Direct measurement of NO2 in the marine atmosphere by laser-induced fluorescence technique

Jun Matsumoto, J. Hirokawa, H. Akimoto, Y. Kajii

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

A simple and compact instrument for NO2 measurement by laser-induced fluorescence (LIF) technique with a pulsed solid state laser and a multi-pass excitation system was developed and optimized for several conditions. As a result of laboratory experiment, the limit of detection (LOD) reached 94pptv for 60s integration. It was thought that an LIF instrument with this LOD value would be capable of quantifying sub-ppbv NO2 in unpolluted marine atmosphere. As the second step, a field test of the instrument was conducted in the marine atmosphere at Cape Hedo, Okinawa Island, Japan, in summer 1999. Intercomparison between the LIF instrument and a chemiluminescence detector with a photolytic converter (PLC-CL) was also made in this test. Consequently, the LIF instrument was shown to be of practical use for measuring NO2 in clean maritime air.

Original languageEnglish
Pages (from-to)2803-2814
Number of pages12
JournalAtmospheric Environment
Volume35
Issue number16
DOIs
Publication statusPublished - 2001
Externally publishedYes

Fingerprint

marine atmosphere
laser induced fluorescence
Fluorescence
Lasers
Chemiluminescence
Solid state lasers
Programmable logic controllers
laser
air
Detectors
summer
Air
Experiments
detection
test

Keywords

  • Intercomparison
  • Laser-induced fluorescence
  • Marine atmosphere
  • Nitrogen dioxide
  • Water vapor

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Science(all)
  • Pollution

Cite this

Direct measurement of NO2 in the marine atmosphere by laser-induced fluorescence technique. / Matsumoto, Jun; Hirokawa, J.; Akimoto, H.; Kajii, Y.

In: Atmospheric Environment, Vol. 35, No. 16, 2001, p. 2803-2814.

Research output: Contribution to journalArticle

Matsumoto, Jun ; Hirokawa, J. ; Akimoto, H. ; Kajii, Y. / Direct measurement of NO2 in the marine atmosphere by laser-induced fluorescence technique. In: Atmospheric Environment. 2001 ; Vol. 35, No. 16. pp. 2803-2814.
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