Determination of nonylphenol ethoxylate metabolites in vegetables and crops by high performance liquid chromatography-tandem mass spectrometry.

@article{She2012DeterminationON,
  title={Determination of nonylphenol ethoxylate metabolites in vegetables and crops by high performance liquid chromatography-tandem mass spectrometry.},
  author={Yongxin She and Jing Wang and Yongquan Zheng and Weiqiang Cao and Rongyan Wang and Fengshou Dong and Xingang Liu and Mingrong Qian and Hu Zhang and Liqing Wu},
  journal={Food chemistry},
  year={2012},
  volume={132 1},
  pages={
          502-7
        }
}
A method has been developed for the simultaneous determination of the concentration of nonylphenol (4-NP), nonylphenol monoethoxylates (NP1EO) and nonylphenol diethoxylates (NP2EO) in vegetables and crops by liquid chromatography-tandem quadrupole mass spectrometry (HPLC-MS/MS). These target compounds were extracted from vegetable and crop samples with acetonitrile, and then the extracts were cleaned using solid phase extraction with graphitised carbon black tandem primary secondary amine (PSA… CONTINUE READING
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