pH值对人参皂苷溶出影响规律的液质联用研究
张旭,宋凤瑞,刘志强,刘淑莹 
Studies on the Stripping Regularity of Ginsenosides in Aqueous Solutions with Different pH Values by HPLC-ESI-MSn
ZHANG-Xu1,2, SONG Feng-Rui1, LIU Zhi-Qiang1, LIU Shu-Ying1
高等学校化学学报 . 2006, (9): 1640 -1644 .