Measurement and behavior analysis of hydrogen peroxide and organic peroxides in the atmosphere and rainwater

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  • HUANG Song-nan
    Department of Chemistry and Material Technology, Kyoto Institute of Technology
  • FUSE Yasuro
    Center for Environmental Science, Kyoto Institute of Technology
  • YAMADA Etsu
    Department of Chemistry and Material Technology, Kyoto Institute of Technology Center for Environmental Science, Kyoto Institute of Technology

Bibliographic Information

Other Title
  • 大気・雨水中過酸化水素及び有機過酸化物の定量と動態解析
  • タイキ ウスイ チュウ カサンカスイソ オヨビ ユウキ カサンカブツ ノ テイリョウ ト ドウタイ カイセキ

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Abstract

The measurement of hydrogen peroxide and organic peroxides in the atmosphere and rainwater was developed, and the behavior of these peroxides affecting forests was investigated. The seasonal variation of atmospheric H2O2 in Kyoto (0.18∼6.96 ppbv) showed a summer maximum and a winter minimum. Methylhydroperoxide (MHP) was mainly detected in the atmosphere with a level of 0.07∼0.29 ppbv during June and September. Organic peroxides in the atmosphere increased above ca.25°C, and correlated with the O3 concentration and relative humidity, while atmospheric H2O2 was inversely correlated with the relative humidity. They were not related to solar radiation and UV radiation. The H2O2 concentration in rainwater was higher than 50 μM in the summer. Hydroxymethylhydroperoxide (HMHP) and MHP as organic peroxides were detected in rainwater with low concentrations of less than 2 μM during June and August.<br>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 53 (9), 875-881, 2004

    The Japan Society for Analytical Chemistry

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