Abstract
Bamboo charcoal, a microporous material, was used as a solid-phase extraction sorbent for the enrichment of the three endocrine disrupters: bisphenol A, nonylphenol, and 4-octylphenol from environmental samples. Parameters affecting the extraction efficiency, such as eluant and its volume, flow rate, pH and volume of the sample, were investigated and optimized. The results of HPLC analyses revealed a linear relationship between the peak area and the concentration of the three analytes over the range of 2.0–100 µg L−1, with a precision of 3.0–5.6 % under optimal conditions. The method was applied to the analysis of river water and seawater samples, the recoveries ranged from 79.5 to approx. 104.3 %.
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Acknowledgements
This paper was jointly supported by the Upgrade Foundation of Scientific Instruments of Shandong Province (No.2006GG1108097-01) and Natural Science Foundation of Shandong Province (Y2008B66).
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Fig. S1
Influence of sample volume on the recoveries of nonylphenol, 4-octylphenol and bisphenol A; Conditions: sample pH - 7; concentration of three compounds, 20 µg L−1; volume of acetonitrile, 8 mL; flow rate of the sample, 3 mL min−1 (DOCX 37 kb)
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Zhao, RS., Wang, X., Yuan, JP. et al. Solid-phase extraction of bisphenol A, nonylphenol and 4-octylphenol from environmental water samples using microporous bamboo charcoal, and their determination by HPLC. Microchim Acta 165, 443–447 (2009). https://doi.org/10.1007/s00604-009-0145-3
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DOI: https://doi.org/10.1007/s00604-009-0145-3