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采用澄清剂法及水醇法制备荆防口服液并对两种方法进行了比较。结果表明，两种方法制备的口服液色泽、澄明度及质量均符合该产品的标准；澄清剂法与水醇法相比，具有沉淀速度快、工艺流程短、成本低等优点。
Jingfen oral solution was prepared using the clarifier method and hydroalcohol method and the two methods were compared. The results showed that the color, clarity and quality of the oral liquid prepared by the two methods all met the standards of the product. Compared with the hydroalcoholic method, the clarifying agent method has the advantages of rapid sedimentation speed, short process flow and low cost.