▎ 摘　　要

NOVELTY - Reduced graphene oxide-doped electrospun reinforced nanofiber material comprises polyacrylonitrile-maleic anhydride copolymer which is used as matrix. The matrix is doped with reduced graphene oxide. USE - Reduced graphene oxide-doped electrospun reinforced nanofiber material. ADVANTAGE - The reduced graphene oxide-doped electrospun reinforced nanofiber material has strong adsorption, large adsorption capacity, faster adsorption and degradation rates, better stability and reproducibility, good adsorption and extraction performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for preparing reduced graphene oxide-doped electrospun reinforced nanofiber material, which involves synthesizing polyacrylonitrile-maleic anhydride copolymer by non-ionic polymerization method, weighing Na2SO3, K2S2O8, and maleic anhydride with mass ratio of 1:1.5-2:95-100, adding them to three-necked flask, and measuring acrylonitrile and deionized water with a volume ratio of 0.6-0.7:1 into flask, pH of the solution adjusting to 1.0-3.0 with dilute sulfuric acid, heating to 50-70 degrees C under nitrogen protection and reacting for 2-4 hours, taking out white polymer and rinsing with water and ethanol, after filtration, placing in vacuum drying box at 50-70 degrees C, drying for 10-15 hours to obtain polyacrylonitrile-maleic anhydride copolymer; and (2) a method for extracting and analyzing malachite green by using reduced graphene oxide-doped electrospinning nanofiber material, which involves loading reduced graphene oxide-doped electrospun reinforced nanofiber material into nylon filter head, and using syringe pump as driving force to pass water sample through nanofiber material to extracting and enriching existing water sample in the environment, extracting of malachite green from environmental water samples, after extraction is completed, removing graphene-doped electrospun reinforced nanofiber material, rinsing it with secondary water, squeezing out excess water, loading it into nylon filter, sucking eluate with syringe, and using syringe pump as power to wash it, passing liquid through the nanofiber material, collecting eluate, and membrane is analyzing for detection, that is analysis of malachite green in environmental water samples.