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用薄层扫描法测定浓百合剂中麻黄硷的含量，测定结果准确、可靠。回收率为９７．８４％，ＲＳＤ＝３．４％。
The thin layer scanning method was used to determine the content of Ephedra sinica in the concentrated lily agent. The results were accurate and reliable. The recovery rate was 97.84% and RSD = 3.4%.