Chinese Journal of Chromatography
Combination of dispersive liquid-liquid microextraction using multifunctional ionic liquids with high performance chromatography for determination of phthalate ester metabolites in human urine sample
SUN Qian, DAI Haoqiang, CHEN Peipei, SHE Hui, WU Jia
Chinese Journal of Chromatography . 2020, (8): 929 -936 .  DOI: 10.3724/SP.J.1123.2019.09026