RP-HPLC法测定脑血通丸中丹参酮ⅡA含量
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摘要
目的建立测定脑血通丸中丹参酮ⅡA含量的高效液相色谱法(HPLC)。方法:以Diamonsil C18柱(250mm×4.6mm,5μm)为色谱柱,甲醇-水(75:25)为流动相,流速1.0m L·min-1,检测波长为270nm,采用外标法定量。结果丹参酮ⅡA进样量在0.0283~0.854μg范围内与峰面积线性关系良好(r=0.9999);平均回收率为98.0%,RSD为0.4%(n=9)。结论本法操作简便、结果稳定、可靠,可用于该制剂的质量控制。
Objective To establish a approach using for determination of Tanshinone IIA in Laoxuetong pill.Methods The Diamonsil C18 column(250mm×4.6mm,5μm)was used withmobile phase consisted of acetonitrile-water(75:25).The flow rate was 1.0m L·min-1 with UV detection at 270 nm. Results The linear range was0.0283 ~ 0.854μg(r=0.9999).The average recovery was 98.0% with RSD of 0.4%(n=9).Conclusion This approach is simple, rapid and reliable, which could be used in quality control of Laoxuetong pill.
引文
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