关于液液微萃取的HPLC进样问题? 你再仔细看一下,文献中并没有都直接进样,大部分的还是先吹干,然后再reconstitute, 如果直接进样也行,但是这些溶剂峰会相当的高,影响色谱图的display。 就给你举一篇例子好了,文章题目是application of dispersive liquid–liquid microextraction and high-performance liquid chromatography for thedetermination of three phthalate esters in water samples在2.3.extraction procedure中??他是这样描述的extraction solvent was sedimented in the bottom of the con-ical test tube(about 25 l).twenty microliter of sedimentedphase was removed using a 50 l hplc microsyringe andinjected into the hplc system for analysis, 查看更多