Journal
JOURNAL OF SEPARATION SCIENCE
Volume 33, Issue 11, Pages 1652-1657Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201000010
Keywords
Bisphenol A; Rapid resolution-LC-ESI-MS/MS; SPE; Tetrabromobisphenol A
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Funding
- Scientific and Technological Developing Project of Shandong Province [2009GG20001021-9]
- Natural Science Foundation of Shandong Province [Y20081366]
- Basic Foundation of Shandong Academy of Sciences
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Using bamboo-activated charcoal as SPE adsorbent, a novel SPE method was developed for the sensitive determination of tetrabromobisphenol A and bisphenol A in environmental water samples by rapid-resolution LC-ESI-MS/MS. Important parameters influencing extraction efficiency, including type of eluent, eluent volume, sample pH, volume and flow rate, were investigated and optimized. Under the optimal extraction conditions (eluent: 8 mL methanol, pH: 7; flow rate: 4 mL/min; sample volume: 100 mL), low LODs (0.01-0.02 ng/mL), good repeatability (6.2-8.3%) and wide linearity range (0.10-10 ng/mL) were obtained. Satisfied results were achieved when the proposed method was applied to determine the two target compounds in real-world environmental water samples with spiked recoveries over the range of 80.5-119.8%. All these facts indicate that trace determination of tetrabromobisphenol A and bisphenol A in real-world environmental water samples can be realized by bamboo-activated charcoal SPE-rapid resolution-LC-ESI-MS/MS.
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