▎ 摘　　要

NOVELTY - Preparing electrochemical sensor for uranium detection comprises (i) preparation of graphene oxide-silver nano-particles-chitosan material modified electrode, and (ii) establishing an electrochemical sensor to measure uranium ions and draw a standard curve. USE - The method is useful for preparing electrochemical sensor for uranium detection. ADVANTAGE - The method has high sensitivity, high efficiency, low cost, and realizes the efficient detection of uranyl ion.