Preparation of a hydrophilic-lipophilic composite solid phase extraction material and application in food safety inspection
BAO James Jianmin, XIE Dan, SUN Chaohui, LI Youxin, WANG Junju
Chinese Journal of Chromatography . 2013, (9): 825 -830 .  DOI: 10.3724/SP.J.1123.2013.03002