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本文用双波长薄层扫描法对金贝痰咳清中贝母素乙进行含量测定,经对样品的扫描及稳定性、加样回收实验,方法准确、稳定,结果可靠,回收率为99.47%,变异系数为2.80%。
In this paper, the dual-wavelength thin-layer scanning method was used to determine the content of Fritillariae B in Jinbei’s cough and clearing house. After the sample was scanned and the stability and the sample recovery experiments were performed, the method was accurate and stable. The result was reliable and the recovery rate was 99.47%. The coefficient of variation was 2.80%.