Proficiency Testing Results and Analysis of Multiple Pesticide Residues in Blind Samples of Water Spinach
Through participating in the 2023 agricultural product quality and safety testing capability verification organized by the Hunan Provincial Department of Agriculture and Rural Affairs,the level of pesticide residue detection capability of Yongzhou food quality and safety supervision,inspection and testing center was evaluated.This assessment was based on the homework guide and refers to the basic operation of pesticide residue detection in the standard NY/T 761-2008.Gas chromatography was used to detect blind samples of water spinach received,and external standard method was used for quantification.The content of acephate,fenthion,parathion,procymidone,deltamethrin and cyfluthrin detected in sample SY23100 was 0.131 mg·kg-1,0.076 mg·kg-1,0.050 mg·kg-1,0.073 mg·kg-1,0.129 mg·kg-1 and 0.081 mg·kg-1 respectively.The result of the assessment after one month was qualified and passed the proficiency testing.
water spinachpesticide residuesproficiency testinggas chromatography
NETL
NSTL
万方数据
