Chinese Journal of Chromatography
An analytical method for alkaloids of Coptis chinensis based on mixed-mode surface electrostatic exclusion/reversed-phase chromatography
ZHANG Huarong, GUO Zhimou, YU Wei, YAN Jingyu, JIN Gaowa, WANG Lianzhi
Chinese Journal of Chromatography . 2018, (10): 1053 -1060 .  DOI: 10.3724/SP.J.1123.2018.06006