托美丁钠胶囊含量测定方法的改进
发布时间:2018-10-21 11:01
【摘要】:目的:采用HPLC法测定托美丁钠胶囊的含量。方法:色谱柱为Diamonsil-C18(4.6 mm×150 mm,5μm),流动相为0.1mol·L~(-1)磷酸二氢钠溶液(用磷酸调节pH值至2.7)-乙腈(55∶45),检测波长254 nm,流量1.0 m L·min~(-1),柱温40℃,进样量20μL。结果:托美丁钠进样浓度在2.0~100μg·mL~(-1)范围内线性关系良好(r=0.999 8),平均回收率为99.4%,RSD为0.95%(n=9)。结论:所建方法简便、准确、重复性好,可用于托美丁钠胶囊的含量控制方法。
[Abstract]:Objective: to determine the content of tometin sodium capsules by HPLC. Methods: the chromatographic column consisted of Diamonsil-C18 (4.6 mm 脳 150 mm,5 渭 m),) mobile phase: 0.1mol L-1 sodium dihydrogen phosphate solution (adjusted pH value to 2.7 with phosphoric acid) -acetonitrile (55:45), detection wavelength 254 nm, flow rate 1.0 mL min~ (-1), column temperature 40 鈩,
本文编号:2284906
[Abstract]:Objective: to determine the content of tometin sodium capsules by HPLC. Methods: the chromatographic column consisted of Diamonsil-C18 (4.6 mm 脳 150 mm,5 渭 m),) mobile phase: 0.1mol L-1 sodium dihydrogen phosphate solution (adjusted pH value to 2.7 with phosphoric acid) -acetonitrile (55:45), detection wavelength 254 nm, flow rate 1.0 mL min~ (-1), column temperature 40 鈩,
本文编号:2284906
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