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目的建立龙血竭胶囊中水分的测定方法。方法分别采用卡尔-费休氏法和烘干法测定水分。结果卡尔-费休氏法的平均回收率为99.3%,RSD值为1.0%(n=9),两种测定法的结果数据基本一致。结论卡尔-费休氏法测定龙血竭胶囊中的水分简便、快速、准确。
Objective To establish a method for determination of water content in Dragon Blood Capsule. Methods Karl Fischer’s method and drying method were used to determine the water content. Results The average recovery of the Karl-Fisher method was 99.3% with a RSD value of 1.0% (n = 9). The data of the two assays were basically the same. Conclusion The Karl Fischer’s method is simple, rapid and accurate for the determination of water in DRG.