An electroanalytical method for the determination of ammonium ion using a platinized platinum electrode is described.Under optimized analytical conditions,the linear range of the calibration graphs for ammonium ion is...An electroanalytical method for the determination of ammonium ion using a platinized platinum electrode is described.Under optimized analytical conditions,the linear range of the calibration graphs for ammonium ion is 3.0×10^(-5)-5.0×10^(-3)mol·L^(-1)with a detection limit of 5.0×10^(-6)mol·L^(-1).The method has been applied to the determination of ammonium ion in lake water samples and recoveries of 100%–103%are obtained.The results obtained are found to be in good agreement with spectrophotometric results.展开更多
基金Supported by the National Natural Science Foundation of China(60171023)
文摘An electroanalytical method for the determination of ammonium ion using a platinized platinum electrode is described.Under optimized analytical conditions,the linear range of the calibration graphs for ammonium ion is 3.0×10^(-5)-5.0×10^(-3)mol·L^(-1)with a detection limit of 5.0×10^(-6)mol·L^(-1).The method has been applied to the determination of ammonium ion in lake water samples and recoveries of 100%–103%are obtained.The results obtained are found to be in good agreement with spectrophotometric results.