RP-HPLC法测定硫普罗宁的有关物质

Chinese Journal of Pharmaceutical Analysis(2009)

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Abstract
目的:建立反相高效液相色谱法测定硫普罗宁的有关物质,并与药品标准收载的薄层色谱法进行比较。方法:采用Dia-monsil C18(150mm×4.6mm,5μm)色谱柱,流动相为0.1%磷酸溶液-甲醇(82∶18),流速1mL·min-1,检测波长210nm,进样量20μL。结果:硫普罗宁峰与相邻杂质峰能够完全分离。硫普罗宁浓度在0.42~16.82μg·mL-1范围内与峰面积呈良好的线性关系(r=0.9999),最低检测限为0.54ng。结论:反相高效液相色谱法与薄层色谱法比较,前者优于后者。反相高效液相色谱法操作简单,能准确、快速检测硫普罗宁的有关物质,可用于硫普罗宁的质量控制。
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Key words
related substances,tiopronin,RP-HPLC
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