Development of a Fast Analytical Instrument for the Detection of NO, NO2 and O3 and Application at a Mountain Roadside

Ryuichi Wada; Yutaka Matsumi; Hiroyuki Yamada; Hisakazu Suzuki; Yasuo Moriyoshi; Kenichi Tonokura; Yasuyuki Itano; Seiichiro Yonemura

doi:10.20485/jsaeijae.11.4_193

Research Paper

Development of a Fast Analytical Instrument for the Detection of NO, NO₂ and O₃ and Application at a Mountain Roadside

Ryuichi Wada, Yutaka Matsumi, Hiroyuki Yamada, Hisakazu Suzuki, Yasuo Moriyoshi, Kenichi Tonokura, Yasuyuki Itano, Seiichiro Yonemura

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Keywords: environment•energy•resources, emissions/emission gas / nitrogen oxides, in situ observation, fast analyzer, mountain road

JOURNAL OPEN ACCESS

2020 Volume 11 Issue 4 Pages 193-199

DOI https://doi.org/10.20485/jsaeijae.11.4_193

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Abstract

We developed an analytical method for the detection of nitric oxide (NO), nitrogen dioxides (NO2) and ozone (O3) simultaneously with high time resolution (1 s). The fast analytical method was applied for the observation at the Fuji mountain roadside at an altitude of 2300 m. We successfully observed the concentrations of NO and NO2 in emissions from each vehicle at a roadside, and the O3 concentration decreased due to the reaction with NO. Relative amounts of NOx emissions and primary NO2 emission ratios of each vehicle driven on the road were estimated by the concentrations observed with high time resolution.

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