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采用薄层扫描法测定该制剂中大黄酚含量。测定方法灵敏度高 ,分离效果好 ,加样回收率 10 1.5% ,同板变异系数 1.4 8% ,异板变异系数 2 .99% ,符合制剂分析要求。
TLC scanning was used to determine the chrysophanol content in the preparation. The determination method has high sensitivity and good separation effect. The recovery rate of sample addition is 10 1.5%, the variation coefficient of the same plate is 1.48%, and the coefficient of variation of different plates is 2.99%, which is in line with the requirement of preparation analysis.