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

被引：4

作者：

Huang, SN ^{[1
]}

Fuse, Y

Yamada, E

机构：

[1] Kyoto Inst Technol, Dept Chem & Mat Technol, Sakyo Ku, Kyoto 6068585, Japan

[2] Kyoto Inst Technol, Ctr Environm Sci, Sakyo Ku, Kyoto 6068585, Japan

来源：

BUNSEKI KAGAKU | 2004年 / 53卷 / 09期

关键词：

hydrogen peroxide; organic peroxides; atmosphere; rainwater; behavior analysis;

D O I：

10.2116/bunsekikagaku.53.875

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 (0.18similar to6.96 ppbv) showed a summer maximum and a winter minimum. Methyllrydroperoxide (MHP) was mainly detected in the atmosphere with a level of 0.07similar to0.29 ppbv during June and September. Organic peroxides in the atmosphere increased above ca.25degreesC, and correlated with the O-3 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 muM in the summer. Hydroxymethylhydroperoxide (HMHP) and MHP as organic peroxides were detected in rainwater with low concentrations of less than 2 muM during June and August.

引用

页码：875 / 881

页数：7

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