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Problems encountered with the routine application of HPLC to the analysis of carbamate pesticides

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This paper describes the determination of all carbamate pesticides mentioned in the Austrian regulations for pesticides and of some other carbamates commonly used in the EEC. Clean-up procedure is carried out by ethyl acetate extraction. Purification is by a liquid-liquid extraction step followed by use of a florisil column. Final detection of the carbamates is carried out by HPLC on silica gel and GLC respectively The method works well for all carbamates under consideration. Only benzimidazolamine-2, the decomposition product of benomyl and carbendazime cannot be determined by the method described. Therefore determination of benomyl, carbendazime and benzimidazolamine-2 was by hydrolysis of benomyl and carbendazime to benzimidazolamine-2, which is then determined by reversed-phase chromatography.

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Authors and Affiliations

  1. Forschungsinstitut der Ernährugswirtschaft, Blaasstraße 29, 1190, Wien, Austria

    G. Blaicher, W. Pfannhauser & H. Woidich

Authors
  1. G. Blaicher
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  2. W. Pfannhauser
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  3. H. Woidich
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Blaicher, G., Pfannhauser, W. & Woidich, H. Problems encountered with the routine application of HPLC to the analysis of carbamate pesticides. Chromatographia 13, 438–446 (1980). https://doi.org/10.1007/BF02261527

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