Summary
The determination of urea pesticides is difficult by means of gas chromatography because they undergo thermal decomposition when applying standardized chromatographic conditions as used in multiresidue analysis. A method is therefore described to make possible the detection of these compounds by gas chromatography after derivatization with HFBA using either electron capture and nitrogen-phosphorus detection or a mass spectrometer as detector.
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Stan, HJ., Klaffenbach, P. Determination of thermolabile urea pesticides after derivatization with HFBA using GC-ECD and confirmation by means of GC-MSD. Fresenius J Anal Chem 339, 40–45 (1991). https://doi.org/10.1007/BF00324757
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DOI: https://doi.org/10.1007/BF00324757