Summary
After a comparative study of conventional reversed phase and micellar liquid chromatography a method is described for the determination of the fungicide thiram in river water based on the use of micelles of CTAB. The method involves the extraction/concentration of thiram with a C18 cartridge followed by separation on a C18 reversed-phase column with a mobile phase of 20% (v/v) acetonitrile/0.01 M CTAB in phosphate buffer (pH-6.3), and detection at 254 nm. The method allows the determination of thiram in the presence of other water-soluble dithiocarbamate fungicides (nabam, ziram and ferbam) with a limit of detection of 36 pg mL−1 for a typical 20-fold preconcentration.
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López García, A., Blanco González, E. & Sanz-Medel, A. Determination of tetramethylthiuram disulfide (Thiram) in river water by high-performance liquid chromatography: Micellar versus conventional reversed phase chromatography. Chromatographia 43, 607–611 (1996). https://doi.org/10.1007/BF02292975
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DOI: https://doi.org/10.1007/BF02292975