title: Determination of caffeine using sodium N-chloro-p-toluenesulphonamide.
mesh_terms: D001241:Aspirin / Q000032:analysis; D001628:Beverages / Q000032:analysis; D002110:Caffeine / Q000032:analysis*; D002700:Chloramines; D004049:Diethylcarbamazine / Q000031:analogs & derivatives* / Q000652:urine; D006801:Humans; D014105:Tosyl Compounds
chemical_list: D002700:Chloramines; D014105:Tosyl Compounds; C016300:chloramine-T; D002110:Caffeine; D001241:Aspirin; D004049:Diethylcarbamazine