Abstract
A method for the determination of octylphenol and short-chained octylphenol oxyethylates in water samples using isolation in a polytetrafluoroethylene (PTFE) multi-capillary trap and high-performance liquid chromatography with fluorescence detection was developed. The analytes were adsorbed on the inner surface of the PTFE capillary trap, from which they were eluted by a small amount of acetonitrile. Detection limit of 0.1 μg/L was achieved for each of the analyte. Acceptable recovery results (90―100%) were obtained for spiked river water samples.
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