Decomposition of 14C-fenitrothion under the influence of UV and sunlight under tropical and subtropical conditions |
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Authors: | Zayed S M A D Mahdy F |
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Institution: | Department of Applied Organic Chemistry, National Research Centre, Dokki, Cairo, Egypt. |
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Abstract: | The decomposition of (14)C-fenitrothion on silica gel chromatoplates as well as in polar and non polar solvents under sunlight and ultraviolet light was investigated, Its stability to sunlight on leaf surfaces of bean plants and on different surfaces (such as glass, quartz and plastic) was also determined. The main photoproducts were identified as carboxyfenitrothion, fenitrooxon, carboxyfenitrooxon and 3-methyl-4-nitrophenol and a small amount 3-caboxy-4-nitrophenol and methyl parathion. The addition of carbaryl and deltamethrin insecticides slightly accelerated the photodecomposition of fenitrothion on silica gel plates and in solution. |
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