Abstract
The analytical HPLC procedure for the quantitation of trace amounts of phenol and chlorophenols in aqueous media has been supplemented with the on-line preconcentration of phenols in a sorption cartridge packed with microporous hyper-crosslinked polystyrene. The cartridge is coupled in succession with a reversed-phase analytical column, which is operated isocratically in an aqueous acetonitrile eluent (1:1, v/v). Phenol concentrations down to 0.5 μg/l can be detected using a simple 254 nm UV detector.
Biporous hyper-crosslinked polystyrene-type sorbents were shown to effectively purify about 100 bed volumes of water from phenol under neutral or acidic conditions and linear flow rates up to 4 cm/min, which could be of great practical importance. Rapid and quantitative elution of sorbates from the hyper-crosslinked polystyrene materials is facilitated by the unique ability of the latter to additionally swell with organic or aqueous-organic eluents applied.
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Dedicated to Professor Dr. Dr. h.c. mult. J.F.K. Huber on the occasion of his 70th birthday
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Tsyurupa, M.P., Ilyin, M.M., Andreeva, A.I. et al. Use of the hyper-crosslinked polystyrene sorbents “Styrosorb” for solid phase extraction of phenols from water. Fresenius J Anal Chem 352, 672–675 (1995). https://doi.org/10.1007/BF00323045
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DOI: https://doi.org/10.1007/BF00323045