▎ 摘　　要

NOVELTY - A Nafion (RTM: Perfluorinated sulfonic acid membranes)/horseradish peroxidase/cobalt oxide-graphene/ionic liquid carbon paste electrode comprises ionic liquid carbon paste electrode as base electrode, coated delamination cobalt oxide-graphene composite material, horseradish peroxidase and Nafion (RTM: Perfluorinated sulfonic acid membranes). USE - Nafion (RTM: Perfluorinated sulfonic acid membranes)/horseradish peroxidase/cobalt oxide-graphene/ionic liquid carbon paste electrode for use in detecting and analyzing trichloroacetic acid (claimed). ADVANTAGE - The electrode has good electrochemical catalytic capability, good stability, high reproducibility, high sensitivity and wide range of social benefits, and can be prepared in simple, easy and cost effective manner. DETAILED DESCRIPTION - AN INDEPENDENT CLAIM is also included for a method for preparing Nafion (RTM: Perfluorinated sulfonic acid membranes)/horseradish peroxidase/cobalt oxide-graphene/ionic liquid carbon paste electrode.