Abstract
An analytical method using pentafluorobenzyl bromide (PFBB) derivatization and gas chromatography/mass spectrometry (GC/MS) has been applied to identify and quantify chloro-, bromo- and dichlorophenols in air, water and sediment samples. Phenols in air sample were collected with a PS-2 Sep-PAKTM cartridge, and eluted with 2-propanol. For water and sediment samples, liquid-liquid extraction with dichloromethane was carried out, and the solvent was exchanged to 2-propanol. The phenols in the solution reacted with PFBB to form the corresponding pentafluorobenzyl esters. After extracting the derivatives into hexane, the determination was carried out by GC/MS with selected-ion monitoring. The detection limits of phenols in air, water and sediment were 0.0033–0.0073 µg/m3, 0.0066–0.0147 µg/L and 0.33–0.73 µg/kg, respectively. More than 90% recoveries of the halogenated phenols were obtained from real environmental samples spiked by the halogenated phenols. The three isomers of mono-chlorophenols were detected in sediment samples in the range of 5.2–9.2 µg/kg in wet weight basis.
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Hanada, Y., Imaizumi, I., Kido, K. et al. Application of a Pentafluorobenzyl Bromide Derivatization Method in Gas Chromatography/Mass Spectrometry of Trace Levels of Halogenated Phenols in Air, Water and Sediment Samples. ANAL. SCI. 18, 655–659 (2002). https://doi.org/10.2116/analsci.18.655
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DOI: https://doi.org/10.2116/analsci.18.655