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中文摘要：
采用纳升取样表面解吸常压化学电离质谱法（nanoSDAPCI-MS）,无需任何样品预处理,直接对肯德基生产的糊状土豆泥样品进行快速质谱检测。实验结果表明,nanoSDAPCI可以承受粘稠土豆泥样品中的大量基体,直接检测土豆泥中痕量的可卡因等成分。本方法操作简单,取样品量少,对含有复杂基体的粘稠样品的直接质谱检测具有借鉴意义。
英文摘要：
Without any sample pretreatment,nano surface desorption atmospheric pressure chemical ionization mass spectrometry（SDAPCI-MS） directly detected trace amounts of cocaine in the spiked Mashed Potato（produced by KFC） samples.The results demonstrated that,based on SDAPCI-MS,the trace amounts of cocaine in Mashed Potato could be direct detected by tacking trace samples（ng）,and the operation was simple and easy for direct detection of low-level cocaine.Promisingly,this technique can be used for the rapid determination of trace analytes in viscous complex matrix.
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