▎ 摘　　要

NOVELTY - Preparing platinum-polyaniline-reduced graphene oxide nanocomposite involves preparing graphene oxide powder, preparing polyaniline-graphene oxide composite powder to obtain product. USE - Method for preparing platinum-polyaniline-reduced graphene oxide nanocomposite used for preparing hydrazine hydrate sensor. ADVANTAGE - The method provides a larger specific surface area and more reaction sites, to improve the sensitivity and the detection number range of the hydrazine sensor detection, in simple manner.