建立了固相萃取-气相色谱-串联质谱同时测定水果中11种三唑类杀菌剂残留的方法.采用乙腈匀浆提取样品中的待测组分,经固相萃取法( SPE)净化,采用气相色谱-串联质谱在多反应监测(MRM)模式下进行测定,外标法定量.分别对水果样品进行4个水平(10、50、100、250 μg/kg)的加标回收试验,回收率为82.6％～117.1％,相对标准偏差小于10％,定量限(LOQ,以信噪比(S/N)为10计)为0.8～3.4 μg/kg.结果显示该方法的背景干扰低,灵敏度高,定量限低于国家标准及有关文献报道值,适合橘子等水果中三唑类杀菌剂的同时测定.
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