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采用双波长薄层扫描法测定加味麻杏石甘颗粒剂中麻黄碱含量 ,精密度及稳定性良好 ,加样回收率 97 2 %。
The ephedrine content in Jiaxing Maxing Shigan granules was determined by dual-wavelength thin-layer scanning method. The precision and stability were good. The recovery rate was 97 2%.