目的建立了液相色谱-离子阱-飞行时间串联质谱法(liquid chromatography-ion trap-time of flight mass spectrometry,LCMS-IT-TOF)高通量快速测定聚对苯二甲酸乙二醇酯(polyethylene terephthalate,PET)塑料瓶中10种紫外吸收剂的方法...
目的建立QuEChERS结合超高效液相色谱-串联质谱法(QuEChERS-ultra performance liquid chromatography-tandem mass spectrometry,QuEChERS-UPLC-MS/MS)快速测定豆制品中二甲基黄和碱性嫩黄O的含量。方法豆制品经20 m L乙腈-水(1:1,...