Peinhardt G P
Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany.
J Chromatogr B Biomed Sci Appl. 1999 Apr 16;726(1-2):309-12. doi: 10.1016/s0378-4347(99)00068-7.
The method for the quantitation of pholedrine in human serum involves extraction of the sample with benzene utilizing an ion-pairing reagent, bis(2-ethylhexyl)phosphoric acid, and re-extraction into diluted phosphoric acid. Analysis is carried out on a ODS reversed-phase column with heptanesulfonate as the ion-pairing reagent. The procedure allows quantitation at the lower nanogram level and is useful for pharmacokinetic investigations.
使用离子对试剂双(2-乙基己基)磷酸,用苯萃取样品,然后再萃取到稀磷酸中。分析在以庚烷磺酸盐作为离子对试剂的ODS反相柱上进行。该方法可在低纳克水平进行定量,对药代动力学研究有用。