▎ 摘　　要

NOVELTY - The method involves coating 20-80 wt.% graphene/melamine compounds in an electrode surface. USE - Method for detecting trace amount of bisphenol using an electrochemical sensor. ADVANTAGE - The method enables preparing an electrochemical sensor in a simple and convenient manner with low cost, high sensitivity and better selectivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for an electrochemical sensor preparation method. DESCRIPTION OF DRAWING(S) - The drawing shows a graphical view illustrating a method for detecting trace amount of bisphenol using an electrochemical sensor.