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目的探究26%氰氟草酯·氯氟吡氧乙酸异辛酯乳油在水稻上的残留行为,对其储藏稳定性和膳食摄入风险进行评估。方法待测试样经乙酸乙腈提取,N-丙基乙二胺(primary secondary amine,PSA)、C18和石墨化碳黑(graphitized carbon black,GCB)净化,再经高效液相色谱-串联质谱法(high performance liquid chromatography-tandem mass spectrometry,HPLC-MS/MS)多反应监测(multiple react