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12/03/2013, 11:40
... - Chrysophanol chun, 98% (Aldrich Chemical Company) - Cỏc dung mụi: ethyl acetat, ether du ha, chloroform, methanol t tiờu chun p v pa - Cỏc hoỏ cht: NaHCO3, Na2CO3, NaOH, HCl, silica gel t tiờu ... Jang, K.U Antidiabetic stilbene and anthraquinone derivatives from Rheum undulatum Arch Pharm Res 2005, 28, pp.1027-1030 Zhou, X, Song, B, Jin, L, Hu, D, Diao, C, Xu, G, Zou, Z, Yang, S Isolation ... dn (dung dch NaHCO3 5%, Na2CO3 5%, v NaOH 5%) Cui cựng, tinh ch v phõn lp anthraquinone bng phng phỏp sc ký ct vi cht hp ph silica gel Dung mụi gii l hn hp ether du v ethyl acetat vi nhng t l...