CNP処理水田土壌中のCNP-アミノ体とNIP-アミノ体の結合型残留

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献1件

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タイトル別名
  • Bound Residues of 4-Aminophenyl 2, 4, 6-Trichiorophenyl Ether and 4-Aminophenyl 2, 4-Dichiorophenyl Ether in Paddy Soil Treated with CNP (Chlornitrofen)
  • CNP処理水田土壌中のCNP-アミノ体とNIP-アミノ体の結合型残留〔英文〕
  • CNP ショリ スイデン ドジョウチュウ ノ CNP アミノタイ ト NIP

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説明

An efficient method for the liberation of CNP-amino (4-aminophenyl 2, 4, 6-trichlorophenyl ether) and nitrofen-amino (4-aminophenyl 2, 4-dichlorophenyl ether) from soil bound residues was studied. A soil sample was obtained from a paddy field treated with CNP-granules (4-nitrophenyl 2, 4, 6-trichlorophenyl ether) more than nine months earlier. In the acetone extract of the soil, 3.64ppm of CNP, 0.50ppm of CNP-amino, and 0.01ppm of nitrofen-amino were detected. However, large quantities of these amines (11.40ppm and 0.88ppm, respectively, at maximum) were observed in extracts from soils treated under strongly alkaline or acidic conditions. Fractionation of soil organic matter pre-extracted with acetone revealed that the amino compounds were largely associated with the humin fraction of the soil. A maximum amount of CNP-amino from soil bound residue was obtained by heating the acetone-extracted soil with 5N potassium hydroxide and sodium sulfide for 20hr at 100°C.

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