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Untersuchungen zur HPLC-Bestimmung von Pesticiden mit amperometrisch detektierbaren Hydroxylgruppen

Investigations on the HPLC-determination of pesticides with amperometrically detectable hydroxyl groups

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Summary

For the sensitive determination of pesticides in soil and water samples, the possibility of using h.p.l.c. with amperometric detection was investigated. The polarographic and voltammetric behaviour of some selected compounds (bromofenoxim, bromoxynil, dimethirimol, dinoseb, dinoterb, DNOC, ethirimol, ioxynil, maleic hydrazide, pentachlorophenol) was tested.

After separation by h.p.l.c. the detection of all these pesticides may be done in the voltammetric cell by the anodic signal of their hydroxyl group. The sensitivity of the determination lies in all cases in the pg-range.

The simultaneous determination of the metabolites in presence of the pesticide is shown with the example of bromofenoxim and its photolytic decomposition products.

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Correspondence to Günter Henze.

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Herrn Prof. Dr. Rolf Neeb zum 60. Geburtstag gewidmet

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Meyer, A., Henze, G. Untersuchungen zur HPLC-Bestimmung von Pesticiden mit amperometrisch detektierbaren Hydroxylgruppen. Z. Anal. Chem. 332, 898–903 (1989). https://doi.org/10.1007/BF00635744

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