Ozonation of chlorophenylurea pesticides in water: reaction monitoring and degradation pathways.

@article{Tahmasseb2002OzonationOC,
  title={Ozonation of chlorophenylurea pesticides in water: reaction monitoring and degradation pathways.},
  author={L Amir Tahmasseb and Sylvie N{\'e}lieu and Lucien Kerhoas and Jacques Einhorn},
  journal={The Science of the total environment},
  year={2002},
  volume={291 1-3},
  pages={33-44}
}
The degradation of mono- and dichlorophenylureas under ozone/hydrogen peroxide conditions was investigated in order to establish the effect of the structural parameters. The N-dimethyl phenylureas (mono- and dichloro) appear to differ strongly from the corresponding N-methyl N-methoxy analogues in terms of disappearance of the parent pesticide and evolution of the by-products identified by MS and MS-MS. The degradation rate of the latter is slower by a factor of 2.5 giving rise to additional… CONTINUE READING

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