Determination of 35 Pesticide Residues in Turmeric from Quanzhou by GC-MS/MS
OBJECTIVE A method was developed for the simultaneous determination of 35 pesticide residues in Turmeric from Quanzhou by Gas chromatography-triple quadrupole mass spectrometry(GC-MS/MS).METHODS The pretreatment of samples was optimized,the mass spectrum parameters of target compounds were optimized,and the internal standard method of Heptachlor B was introduced to improve the experimental stability.RESULTS The 35 pesticides showed a good linear relationship in the range of 10-500 ng·mL-1.The detection limit was 0.005-0.0250(mg·kg-1),and the quantitative limit was 0.0125-0.0750(mg·kg-1).The average recovery of sample 3 was 84.14%-106.21%,and the RSD was 3.98%-10.57%.CONCLUSION The method was simple,sensitive,stable and accurate for the rapid determination of 35 pesticide residues in Turmeric.
TurmericPesticide residuesGas chromatography-triple quadrupole mass spectrometryInternal standard
万方数据
维普
