internal standard 第1页

Determination of paeoniflorin，liquiritin，cinnamic acid，cinnamic aldehyde，and glycyrrhizic acid in Guizhi Decoction by HPLC mehod with sample’s internal standard Determination of peoniflorin, naringin, aurantiamarin, neohesperidin, and ammonium glycyrrhizinate in Sini Powder by HPLC-"internal standard" multi-control method Selection of Guanxin Suhe Pill reference preparation by internal standard quantified fingerprints method Determination of astragaloside Ⅳ of eight area in Astragali Radix is by HPLC-ELSD internal standard method Comparison on content differences of four bioactive compounds in different Wujiwan decoction by HPCE internal standard method