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采用反相高效液相色谱法测定小儿泄泻停中大黄酸含量．方法简便快速、灵敏度高、重现性好，平均加样回收率为98．53％、RSD为1．5％，结果满意．可作为制剂的质量控制指标．
Determination of rhein content in diarrhoea in children by RP-HPLC. The method was simple, rapid, sensitive and reproducible. The average recovery was 98.53% and the RSD was 1.5%. The results were satisfactory. As a preparation of quality control indicators.