Detection of Organophosphorus Pesticide Residues in Vegetable Using QuEChERS-HPLC
This article reported that the method of detected Organophosphorus Pesticide Residues in Vegetable Using QuEChERS-HPLC. Through improvement of the QuEchERS pretreatment methods, recovery and accuracy as been well improved, and then use HPLC analysis detection, according to the difference of organophosphorus pesticide, and obtain the minimum detection limit is between 0.02-55.75μg/kg, LOQ is between 0.1-189.23μg/kg, 18 organophosphorus pesticide in LOQ concentration and four times the concentration of LOQ two labeled level of recovery are at 70 to 120% range, the relative standard deviation less than 20%, test shows that this method is applicable to vegetables of organophosphorus pesticide residue detection more analysis.
NETL
NSTL
万方数据
维普
