The voltammetic property of amikacin was studied by cyclic voltammetery and differential pulse cathode stripping voltammetry at glassy carbon electrod.In HCl（pH=2） solution,the sensitive reductive peak was obtained ...The voltammetic property of amikacin was studied by cyclic voltammetery and differential pulse cathode stripping voltammetry at glassy carbon electrod.In HCl（pH=2） solution,the sensitive reductive peak was obtained for amikacin at about-0.42V（vs.Ag/AgCl）.There was a good linear relationship between the differential pulse peak current and the concentrate of Amikacin sulfate in the range from 1.25 10-6mol/L to 9.5 10-4 mol/L.The detection limit was 2.75×10-7mol/L.The method was used to determine amikacin in injection samples with satisfactory results.展开更多
本工作以Nafion树脂修饰玻碳电极为工作电极、铂片电极为对电极、饱和甘汞电极（SCE）为参比电极，进行电极修饰技术研究，建立了脉冲阳极溶出伏安法测定钚中痕量银的分析方法。实验结果表明，银的阳极溶出峰的峰电流与银离子浓度在10～...本工作以Nafion树脂修饰玻碳电极为工作电极、铂片电极为对电极、饱和甘汞电极（SCE）为参比电极，进行电极修饰技术研究，建立了脉冲阳极溶出伏安法测定钚中痕量银的分析方法。实验结果表明，银的阳极溶出峰的峰电流与银离子浓度在10～100μg／L范围内呈线性关系，银离子的定量检测下限为5 ng／m L ，回收率为90％～109％，该方法取样量小、抗干扰能力强、重现性好。展开更多
文摘The voltammetic property of amikacin was studied by cyclic voltammetery and differential pulse cathode stripping voltammetry at glassy carbon electrod.In HCl（pH=2） solution,the sensitive reductive peak was obtained for amikacin at about-0.42V（vs.Ag/AgCl）.There was a good linear relationship between the differential pulse peak current and the concentrate of Amikacin sulfate in the range from 1.25 10-6mol/L to 9.5 10-4 mol/L.The detection limit was 2.75×10-7mol/L.The method was used to determine amikacin in injection samples with satisfactory results.
文摘本工作以Nafion树脂修饰玻碳电极为工作电极、铂片电极为对电极、饱和甘汞电极（SCE）为参比电极，进行电极修饰技术研究，建立了脉冲阳极溶出伏安法测定钚中痕量银的分析方法。实验结果表明，银的阳极溶出峰的峰电流与银离子浓度在10～100μg／L范围内呈线性关系，银离子的定量检测下限为5 ng／m L ，回收率为90％～109％，该方法取样量小、抗干扰能力强、重现性好。
