▎ 摘　　要

NOVELTY - Separation of graphene oxide includes preparing graphene oxide, performing electrodialysis reaction, performing decentralized optimization, mixing graphite and concentrated sulfuric acid, adding sodium nitrate, mixing, adding potassium manganate, mixing, centrifuging, washing, dispersing, washing, centrifuging, taking supernatant, centrifuging at 5000 rpm for 5 minutes, washing three 250 mL volumetric flasks with distilled water, drying, cutting plastic bags, adding reagents and distilled water, rinsing plastic bag twice with distilled water, adding solution, mixing, dissolving solid matter, standing for about 10 minutes, cooling to room temperature, washing beaker with distilled water, adding distilled water, covering, shaking, adding electrodialysis buffer solution and graphite oxide, applying vertical electric field, performing electrodialysis reaction, adding reducing agent to graphene oxide, performing solid-liquid separation, washing solid phase and drying. USE - Method of separating graphene oxide. ADVANTAGE - The method is scientific, environment friendly and efficient. DETAILED DESCRIPTION - Separation of graphene oxide comprises preparing graphene oxide, configuring electrodialysis buffer solution, performing electrodialysis reaction, performing decentralized optimization, mixing 1 g graphite and 23 ml concentrated sulfuric acid in 250 ml Erlenmeyer flask at room temperature for 24 hours, adding 100 mg sodium nitrate, mixing in water bath condition at 40 degrees C for 5 minutes to dissolve sodium nitrate, adding 500 mg potassium manganate to Erlenmeyer flask, mixing for 30 minutes, adding 3 ml distilled water to Erlenmeyer flask, mixing for 5 minutes, adding 3 ml water, mixing for 5 minutes, adding 40 ml distilled water, mixing for 15 minutes, adding 140 ml distilled water and 10 ml 30% hydrogen peroxide to Erlenmeyer flask, mixing at room temperature for 5 minutes to terminate the reaction, centrifuging at 10000 revolutions per minute (rpm) for 3 minutes, washing twice with 5% hydrogen chloride solution, washing with distilled water to neutralize, dispersing in 100 ml distilled water, placing in ultrasonic at 90 Hz for 60 minutes, washing, centrifuging at 5000 rpm for 5 minutes, taking supernatant, centrifuging at 5000 rpm for 5 minutes, washing three 250 mL volumetric flasks with distilled water, drying, cutting plastic bags, adding reagents and distilled water, rinsing plastic bag twice with distilled water, adding solution, mixing, dissolving solid matter, standing for about 10 minutes, cooling to room temperature, washing beaker with distilled water, adding distilled water, covering, shaking, adding electrodialysis buffer solution and graphite oxide, applying vertical electric field, performing electrodialysis reaction, adding reducing agent to graphene oxide, performing solid-liquid separation, washing solid phase and drying.