▎ 摘　　要

NOVELTY - A graphene oxide colloid adsorbing and separating method involves selecting natural crystalline flake graphite as raw material, putting in dialysis bag, sealing, putting in rare earth ion water solution, oscillating or conducting ultrasonic treatment, adding acid solution and maintaining pH value by utilizing nitric acid or hydrochloric acid solution. USE - Method for adsorbing and separating graphene oxide colloid. ADVANTAGE - The method enables adsorbing and separating graphene oxide colloid in a simple, rapid and efficient manner.