It is an extremely attentioned subject in western developed countries that the drinking water and the source of drinking water pollution of pesticides.Organophosphrus pesticides(OPs),with the greastest output,are still the most widely used pesticides in the world.Consequently,people pay attention to the residue level of trace OPs in the drinking water and the source of drinking water the analysis method of trace OPs in water is continuously making progress.It is not amenable to be analysed by gas chromatogr...