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High-performance liquid chromatography method for the determination of propofol has been developed and validated. Following a liquid extraction using ethyl acetate and hexane, samples were separated by reverse-phase high-performance liquid chromatography on an XBridge C 18  column and quantified using fluorescence detection at an excitation of 276 nm and an emission of 310 nm. The mobile phase was a mixture of water (pH 4.0) and acetonitrile, with a flow rate of 1.5 mL/min. The standard curve ranged from 5–2000 ng/mL. Intra- and inter-assay variability for propofol was less than 10%, and the average recovery was greater than 95%. This assay is suitable for use in pharmacokinetic studies.

Determination of Propofol Using High Performance Liquid Chromatography in Whole Blood with Fluorescence Detection