▎ 摘　　要

NOVELTY - A magnetic graphene oxide is prepared by taking graphene oxide and glycol solution, stirring, adding iron(III) chloride hexahydrate and sodium acetate trihydrate, stirring, reacting, filtering, taking filter cake, washing with water and ethanol, and drying. USE - Method for preparing magnetic graphene oxide (claimed). ADVANTAGE - The method is simple, low-cost and environment-friendly. The product has large specific surface area, strong absorbing ability and enriches water phthalates substances. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for phthalate substance content measurement method comprising taking 50-100 mL sample, adding 0.2-0.5 g magnetic graphene oxide, ultrasonic dispersing for 60 plus minus 10 minutes, performing magnetic separation, removing supernatant, leaving lower layer mixed liquid, adding 2 plus minus 1 mL dichloromethane, ultrasonically processing for 60 plus minus 10 minutes, performing magnetic separation, removing supernatant, leaving lower layer mixed liquid, filtering, and carrying out GC-MS analysis.