Corpus ID: 101406861

Determination of 12 organophosphorus pesticides in Folium Sennae By GC

@inproceedings{Shen2004DeterminationO1,
  title={Determination of 12 organophosphorus pesticides in Folium Sennae By GC},
  author={J. Shen},
  year={2004}
}
OBJECTIVE To determine the residues of 12 organophosphorus pesticides in Folium Sennae. METHODS The 12 organophosphorus pesticides were extracted from samples by ultrasonication in ice bath. After prepared by column packed with charcoal, the compounds were separated by capillary column DB-17MS and determined by NPD detector. RESULTS The average recoveries and RSD were in the range of 79.87 % - 99.23 % and 4.22 % - 14.54 % . Organophosphorus pesticide had been found in all samples. CONCLUSION… Expand