Summary
A method for determination of alkylphenols in water samples has been developed and validated. The alkylphenols were extracted on to polystyrene solid-phase columns. Six replicates could be processed in parallel in approximately 30 min using home-made equipment. Quantification was performed by reversed-phase liquid chromatography with UV-detection at 278 nm. The method has been validated for determination of 4-n-hexylphenol, 4-tert-octylphenol and nonylphenol in the concentration range 1–100 μg L−1 with 4-n-heptylphenol and/or 4-n-octylphenol as internal standard(s). The repeatability of the method was 1–6%RSD, and the intermediate precision was 1–3%RSD at the 100 μg L−1 level. The accuracy, determined as recovery, was 98–104%. The limit of detection (LOD) was 0.1–0.2 μg L−1 for 1-L water samples. The method has been used for determination of alkylphenols in samples of aquarium water.
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Kvistad, A.M., Lundanes, E. & Greibrokk, T. Determination of alkylphenols in water samples by solid-phase extraction on to poly(styrene-divinylbenzene) and quantification by liquid chromatography with UV-detection. Chromatographia 48, 707–713 (1998). https://doi.org/10.1007/BF02467603
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DOI: https://doi.org/10.1007/BF02467603