LC-MS/MS와 GC-MS/MS를 이용한 사과와 쌀 시료에서 320종 농약의 다성분 분석

다국어 초록 (Multilingual Abstract)

A new analytical method has been developed to determine 320 pesticides in apple and rice. The extraction of pesticides was carried out based on QuEChERS sample extraction, and determination was performed using LC-MS/MS and GC-MS/MS. 320 pesticides were selected for experiments. 251 and 110 pesticides among them were analysed by LC-MS/MS and GC-MS/MS, respectively. 41 pesticides of them were analyzed by both GC-MS/MS and LC-MS/MS. Among pesticides analysed by LC, 242 pesticides (96% of total number) in apple and 237 pesticides (94% of total number) in rice showed recoveries in the range of 70~120% with RSD ≤ 20%. In case of pesticides analyzed by GC-MS/MS, 103 pesticides (94% of total number) in apple and 83 pesticides (76% of total number) in rice were successfully validated. These results indicated that LC-MS/MS and GC-MS/MS analysis with the QuEChERS sample preparation can be partly applied to multi-residue pesticides in agricultural products.

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