▎ 摘　　要

NOVELTY - Sulfonated graphene-titanium dioxide composite photocatalyst is used for amide herbicides and organophosphorus insecticides. USE - Sulfonated graphene-titanium dioxide composite photocatalyst used for amide herbicides and organophosphorus insecticides (claimed). DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) the preparation of sulfonated graphene-titanium dioxide composite photocatalyst comprising oxidizing natural graphite, adding 1.46 M titanium tetrachloride, stirring for 1 hour, reacting at 180 degrees C for 6 hours and washing with deionized water; and (2) testing of sulfonated graphene-titanium dioxide composite photocatalyst comprising mixing 9 mL sulfonated graphene-titanium dioxide composite photocatalyst and 20 mL amide herbicide or organophosphorus insecticide in water for 2 minutes, adsorbing, precipitating, adding 4 mL water, stirring, placing in solar simulator, extracting using 4 mL ethyl acetate, adsorbing and detecting.