水中のトリクロロフルオロメタンおよびジクロロジフルオロメタンの光分解に関する研究　ＩＩＩ　　沿岸海水中のトリクロロフルオロメタンおよびジクロロジフルオロメタンの測定と光分解

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タイトル別名
  • Studies on the Photolysis of Trichlorofluoromethane and Dichlorodifluoromethane in Water. III. The Determination and the Photolysis of Trichlorofluoromethane and Dichlorodifluoromethane in Coastal-Water

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説明

The levels of trichlorofluoromethane (F-11) and dichlorodifluoromethane (F-12) in coastal-water were investigated with ECD-GC using the head space technique. The sample gases of F-11 and F-12 were prepared by transferring F-11 and F-12 into the gas-phase in a flask and by concentrating the gases through a trapping tube. The average levels of F-11 and F-12 analyzed for 12 sampling points were 0.54±0.20 ppt and 0.33±0.19 ppt, respectively. The photolysis of the above coastal-water containing F-11 and F-12 was then conducted by a xenon lamp. The concentration of F-12 in the coastal-water did not decrease significantly, while that of F-11 increased slightly after 20 h of irradiation at the maximum.

収録刊行物

  • 衛生化学

    衛生化学 29 (2), 76-82, 1983

    公益社団法人 日本薬学会

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