Summary
A comparative study of the solid phase extraction of phenolic compounds in water was carried out. Three different sorbents, C18, CH and PLRP-S, were tested for the preconcentration process in order to determine phenolic compounds in water at μg l−1 levels by reversed-phase LC separation and diode-array detection. The addition of an ion-pair reagent in the extraction process was also studied in order to increase the breakthrough volume of some compounds. Using the optimized conditions the limit of detection was less than 0.5 μg l−1, the maximum admissible concentration (MAC) in drinking water. The method was applied to determine phenolic compounds in Ebro river water however no phenols were found within the detection limits of the method.
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Pocurull, E., Calull, M., Marcé, R.M. et al. Comparative study of solid-phase extraction of phenolic compounds. Influence of the ion pair reagent. Chromatographia 38, 579–584 (1994). https://doi.org/10.1007/BF02277157
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DOI: https://doi.org/10.1007/BF02277157