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对胃灵片中大黄总蒽醌的含量测定方法进行了研究。大黄总蒽醌采用醋酸镁比色法测定 ,以大黄酸的吸收系数计算含量 ,平均回收率为 10 1 6 % ,RSD =1 0 8%。
The method for determining the content of rhubarb total glycosides in Weiling tablets was studied. The total rhubarb was determined by the magnesium acetate colorimetric method and the content was calculated by the absorption coefficient of rhein. The average recovery rate was 10 16%, and the RSD was 10.8%.