Determination of UV-filter residues in bathing waters by liquid chromatography UV-diode array and gas chromatography-mass spectrometry after micelle mediated extraction-solvent back extraction.

@article{Giokas2005DeterminationOU,
  title={Determination of UV-filter residues in bathing waters by liquid chromatography UV-diode array and gas chromatography-mass spectrometry after micelle mediated extraction-solvent back extraction.},
  author={Dimosthenis L Giokas and Vasilios A Sakkas and Triantafyllos A Albanis and Dimitra A Lampropoulou},
  journal={Journal of chromatography. A},
  year={2005},
  volume={1077 1},
  pages={19-27}
}
A preconcentration methodology utilizing the cloud point phenomenon is described in this study for the determination of sunscreen agent residues in bathing waters by reversed phase liquid chromatography with UV detection and gas chromatography (GC) with mass spectrometric (MS) detection. The method employs the entrapment of the analytes in the micelles of the non-ionic surfactant TX-114, upon increase of the solution temperature to 60 degrees C. The analytes are either re-extracted or back… CONTINUE READING

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