1.5次微分阴极溶出伏安法测定水样中痕量硒(Ⅳ)  

1.5-Differential cathodic stripping voltammetric determination of trace selenium in water

作　　者：邹家庆[1] 罗平[1] 宋军[1] 荆雄科[1] 

机构地区：[1]南京化工大学化工学院,江苏南京210009

出　　处：《南京化工大学学报》2001年第4期50-53,共4页Journal of Nanjing University of Chemical Technology(Natural Science Edition)

摘　　要：采用玻碳汞膜电极为极化电极 ,研究了痕量硒 (IV)在 0 .10mol/LHClO4与 0 .10mol/LKCl支持电解质中的 1.5次微分阴极溶出行为。线性范围 0 .2 0～ 1.0 0 μg/L ,相关系数 0 .9997。A new polarographic method for determination of trace selenium was established.1 .5-differential CSV determination of selenium was established by using glassy-carbon-Ag/AgCl platinum three electrode potentiostat.The method i s suitable for determination of 0.2～1.00 mg·mL -1 .The result of the anal ysis is satisfactory.

关 键 词：阴极溶出伏安法 1.5次微分 硒(Ⅳ) 水 痕量分析 测定 玻碳汞膜电极 

分 类 号：O661.1[理学—分析化学] O613.52[理学—化学]