Summary
On-line solid phase extraction-gas chromatographymass spectrometry has been used for trace analysis of phenols in water samples at the low ng L−1 level. Phenols have been derivatized by in-sample acetylation prior to an automatic SPE-GC-MS procedure. The method was validated with 26 alkyl, chloro and mononitrophenols including 4-nonylphenol and 17-ethinylestradiol. Target analysis was performed by time-scheduled, selected ion monitoring. The on-line SPE-GC approach resulted in low sample volume (typically 10 mL), good reproducibility, sensitivity and considerable saving of reagents, material and manual work.
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Jahr, D. Determination of alkyl, chloro and mononitrophenols in water by sample-acetylation and automatic on-line solid phase extraction-gas chromatography-mass spectrometry. Chromatographia 47, 49–56 (1998). https://doi.org/10.1007/BF02466785
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DOI: https://doi.org/10.1007/BF02466785