Chinese Journal of Chromatography
Determination of three hydroxyl polycyclic aromatic hydrocarbons in urine using magnetic solid-phase extraction with magnetic carbon nitride composites coupled with high performance liquid chromatography
NIAN Qixun, LIU Yuanman, SUN Bing, WANG Manman
Chinese Journal of Chromatography . 2019, (3): 252 -258 .  DOI: 10.3724/SP.J.1123.2018.10023