[Determination of bisphenol A in drinking water system components by liquid chromatography-tandem mass spectrometry]
Shaobin Lin1, Miao Zhang, Yan Liao
1Institute for Environmental Health and Related Product Safety, Chinese Center for Disease Control and Prevention, Beijing 100021, China. shaobin_lin@yahoo.com.cn
Objective:
To develope the determination methods for bisphenol A in drinking water system components.
Methods:
30 samples were quantitatively analyzed by liquid chromatography-tandem mass spectrometry (LC/MS/MS).
Results:
Bisphenol A was linear in the range 0-100 ng/ml and the linear correlation coefficient reached 0.9994. The minimum detection limit was 5 microg/kg. The spiked recoveries were from 90% to 99%, and the RSD were between 1.8 -5.0%. Bisphenol A was measured in nine out of thirty samples. The detected ratio was 30% and the maximum was 1.82 mg/kg.
Conclusion:
The method was quick, sensitive and specific.
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