Abstract
A newly modified extractor facilitated rapid extraction (10.0 mL, 1 h) of eleven phenols from XAD-4 resin for comparable recoveries to those with conventional Soxhlet extractor (80.0 mL, 3 h). Combined with analysis by gas chromatography and gas chromatography-mass spectrometry in selected ion monitoring mode as tert-butyldimethylsilyl derivatives, the overall method was linear (≥ 0.9991) with satisfactory precision (≤ 9.2% RSD), accuracy (≤ 7.7% RE), detection limit (≤ 0.02 μg L−1), and recovery rates (≥ 75.0%) in 0.05 to 1.0 μg L−1. Six phenolic pollutants were quantitatively screened along with bisphenol A (0.028 μg L−1) from river water.
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Acknowledgments.
This study was supported in part by the Ministry of Environment (Korea Environmental Research and development Fund, 1998) and in part by the Brain Korea 21 Project in 2003.
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Paik, M., Park, J., Koo, W. et al. Modification of Soxhlet Extractor for Rapid and Effective Recovery of Phenolic Pollutants Adsorbed on XAD-4 Resin. Chromatographia 60, 693–698 (2004). https://doi.org/10.1365/s10337-004-0444-0
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DOI: https://doi.org/10.1365/s10337-004-0444-0