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用薄层色谱法鉴别金石散胶囊中青皮、山楂和大黄；用紫外分光光度法测定其中的大黄素含量。方法简便、结果准确、重复性好，可作为本品的质量控制标准。
Thin-layer chromatography was used to identify the Qingpisan capsules in the skin, hawthorn and rhubarb. The emodin content was determined by UV spectrophotometry. The method is simple, accurate and reproducible, and can be used as the quality control standard for this product.