Enantiomeric separation of organophosphorus pesticides by capillary electrophoresis: Application to the determination of malathion in water samples after preconcentration by off-line solid-phase extraction

Authors thank the Ministry of Science and Technology (Spain) for the research project BQU2003-03638. C. Garcia Ruiz also thanks this Ministry for the Ramon y Cajal program (RYC-2003-001)

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