HPLC法测定清咽利喉合剂中黄芩苷的含量(1)
【摘 要】 目的:建立HPLC法测定清咽利喉合剂中黄芩苷含量的方法。方法:采用十八烷基键合硅胶为固定相;乙腈-0.1%磷酸(32∶68)为流动相;流速1.0mL/min;检测波长326nm,柱温30℃。结果:黄芩苷在0.05785~0.8677μg范围内呈良好线性(r=0.99977);平均回收率为99.9%,RSD为0.62%。结论:本法快速准确,杂质分离完全,重现性好,可用于清咽利喉合剂中黄芩苷的含量测定。【关键词】 HPLC;清咽利喉合剂;黄芩苷
【中图分类号】R284.1 【文献标志码】 A 【文章编号】1007-8517(2019)17-0028-03
Abstract:ObjectiveTo establish a HPLC method for the determination of baicalin in Qingyan Lihou Mixture.Methods The octadecyl bonded silica gel was used as the stationary phase; acetonitrile: 0.1% phosphoric acid (32∶68) was used as the mobile phase; the flow rate was 1.0 mL/min; the detection wavelength was 326 nm ......
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