▎ 摘　　要

Graphene oxide based molecularly imprinted polymers modified with beta-cyclodextrin were prepared as solid-phase extraction column sorbents for specific recognition and sensitive detection of di(2-ethylhexyl) phthalate in water samples. The morphology and composition of synthesized sorbents were characterized by scanning electron microscopy, thermo-gravimetric analysis, Raman spectroscopy, and Fouriertransform infrared spectroscopy. The conditions affecting the performance of extraction procedures such as desorption solvent types and volume, sample pH and volume were investigated. The loading capacity (8.2 mu g/mg) of the prepared sorbents increased eight times after modification with beta-cyclodextrin. The developed extraction procedures coupled to high-performance liquid chromatography exhibited good linearity (0.2-500 mu g/L), lowlimit of detection (0.052 mu g/L), and good precision (relative standard deviation. 5.7%) under optimized conditions. The developed solid-phase extraction technique with prepared sorbents has been successfully applied in extracting trace di(2-ethylhexyl) phthalate fromreal natural waters with high efficiency, good selectivity, and desirable recoveries.