Abstract:
Objectives To develop a method of determining 6 organophosphorus pesticides (OPs) simultaneously in water.
Methods The water samples were extracted by automatic solid phase extraction and analyzed by liquid chromatography-tandem mass spectrometry (LC/MS/MS).
Results The linear correlation coefficients of 6 OPs were greater than 0.999. The detection limits were in the range of 0.16 ng/L ~ 63.8 ng/L. The recoveries of standard addition were 84% ~ 117%, and the RSDs were less than 14%.
Conclusions The method was quick, sensitive and specific.