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采用双波长薄层扫描法测定香附调经冲剂中延胡索乙素的含量。方法简便易行，平均回收率９６．４％，ＲＳＤ＝１．７％。
Determination of Tetrahydropalmatine in Xiangfu Tiaojing Granules by Dual Wavelength TLC Scan. The method is simple and easy, the average recovery was 96.4%, RSD = 1.7%.