A liquid-liquid-liquid system of two oil phases and one aqueous phase was prepared.
以包含双油相和单水相的液-液-液三相体系为对象,利用编程控制的CCD照相系统,考察了搅拌槽内不同操作条件下液-液-液三相体系的相分散及分相情况。
A rapid method for the determination of trace phenolic compounds including 2-methylphenol,2-nitrophenol and 2,4-dichlorophenol in water samples by liquid-liquid-liquid microextraction(LLLME) coupled with HPLC was developed.
建立了液-液-液微萃取/高效液相色谱联用(LLLME/HPLC)测定环境水中痕量酚类化合物2-甲基苯酚、2-硝基苯酚、2,4-二氯苯酚的分析方法,研究了有机相溶剂种类及其体积、料液相pH值与离子强度、接受相的体积、组成及浓度和搅拌速率、萃取时间等因素对分析物萃取效率的影响。
High performance liquid chromatography coupled with liquid-liquid-liquid microextraction was developed for the simultaneous determination of sildenafil and vardenafil in human plasma.
建立了液-液-液微萃取与高效液相色谱联用同时测定血浆中西地那非和伐地那非的方法。