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    导数光谱法测定石杉碱甲片中的石杉碱甲的含量

    Determination of the content of Huperizini-A in tabellae huperizinz-A by the first-derivative spectrophotometry

      摘要
    • 摘要: 采用一阶导数紫外光谱法中的峰-零法测定石杉碱甲片(双益平)中石杉碱的含量,测定波长为318nm。三组不同量样品的平均回收率为98.25%,平均RSD为2.4%(样品总数n=30)。测定方法简便准确。

       

      Abstract: A first derivative UV-spectophotometric method was successfully used by peak-zero method for the determination of Huperzini-A in tabellae huperizinz- A, the wave length of detenniniation was 318nm.The average recovery of three groups was 98.25% ,the avera

       

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