Mixed liquids for single-drop microextraction of organochlorine pesticides in vegetables.

@article{Zhang2008MixedLF,
  title={Mixed liquids for single-drop microextraction of organochlorine pesticides in vegetables.},
  author={Maosheng Zhang and Jiarong Huang and Changlin Wei and Binbin Yu and Xiaoqing Yang and Xi Chen},
  journal={Talanta},
  year={2008},
  volume={74 4},
  pages={599-604}
}
A new approach for the extraction of nine kinds of organochlorine pesticides (OCPs) from vegetable samples coupling single-drop microextraction with gas chromatography-mass spectrometry was presented. Experimental parameters, such as organic solvent, exposure time, agitation and organic drop volume were controlled and optimized. An effective extraction was achieved by suspending a 1.00microL mixed drop of p-xylene and acetone (8:2, v/v) to the tip of a microsyringe immersed in a 2mL donor… CONTINUE READING

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