▎ 摘　　要

NOVELTY - Mild wet chemical preparation of bimetallic supported graphene catalyst used for electrochemical detecting chlorophenol contaminants comprises mixing 1 g/L graphite oxide solution with dispersant solution, adding palladium nitrate precursor, stirring, adding silver nitrate precursor, stirring, adjusting pH to 8-12 using alkaline liquid, stirring, placing in ice bath, adding reducing agent solution, and overnight stirring; and repeatedly washing with distilled water, and vacuum drying at 40-90 degrees C. USE - Method for mild wet chemical preparing bimetallic supported graphene catalyst used for electrochemical detecting chlorophenol contaminants (claimed). ADVANTAGE - The catalyst has high conductivity and sensitivity, and improved catalytic performance.