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采用高效液相色谱法 ,ODS柱 ,以乙腈 - 0 .0 5 8mol/ L KH2 PO4溶液 (用磷酸调 p H=2 .5 ) (1∶ 4)为流动相 ,测定痛经片中阿魏酸的含量。其方法回收率为 93.9% ,RSD为 0 .9%。
A high-performance liquid chromatography (ODS) column with acetonitrile-0.58 mol/L KH2PO4 solution (pH=2.5 with phosphoric acid) (1:4) as the mobile phase was used to determine ferulic acid in Tongjing Tablets. The content. The method has a recovery rate of 93.9% and an RSD of 0.9%.