Chromatographia

, Volume 55, Issue 11–12, pp 681–686 | Cite as

Determination of herbicide tepraloxydim and main metabolites in drinking water by solid-phase extraction and liquid chromatography with UV detection

  • P. Sandín-España
  • J. J. González-Blázquez
  • J. O. Magrans
  • J. M. García-Baudín
Originals Column Liquid Chromatography

Summary

A method for direct analysis of tepraloxydim and its main metabolites in water has been established by solid-phase extraction and HPLC-UV determination. It is demonstrated that chlorine added to disinfect tap water eliminates any possible residual tepraloxydim. Therefore, only the analytical method for determination of oxazol and imine metabolites of tepraloxydim has been validated to an LOQ of 0.1 μg·L−1, required by the Drinking Water Directive. This method has been validated following the most recent guidelines released by the European Commission on residue analytical methods.

Key Words

Column liquid chromatography Solid-phase extraction Drinking water 1,3-cyclohexanediones Pesticide degradation by chlorine 

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 2002

Authors and Affiliations

  • P. Sandín-España
    • 1
  • J. J. González-Blázquez
    • 1
  • J. O. Magrans
    • 1
  • J. M. García-Baudín
    • 1
  1. 1.Planl Protection DepartmentINIAMadridSpain

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