A novel method for determination of sulfide ion in water was described by screen-printed electrochemical sensor.The electrochemical behavior of N,N-dimethylphenylenediamine and catalytic oxidation of sulfide ion were ...A novel method for determination of sulfide ion in water was described by screen-printed electrochemical sensor.The electrochemical behavior of N,N-dimethylphenylenediamine and catalytic oxidation of sulfide ion were studied.There was an excellent linear response range from 8.0×10-7 to 6.5×10-4mol/L(R=0.997)for the detection of sulfide ion,with a detection limit of 3.0×10-7mol/L.The method is simple,rapid,cheap and accurate.展开更多
文摘A novel method for determination of sulfide ion in water was described by screen-printed electrochemical sensor.The electrochemical behavior of N,N-dimethylphenylenediamine and catalytic oxidation of sulfide ion were studied.There was an excellent linear response range from 8.0×10-7 to 6.5×10-4mol/L(R=0.997)for the detection of sulfide ion,with a detection limit of 3.0×10-7mol/L.The method is simple,rapid,cheap and accurate.