以钴Schiff碱配合物为载体的PVC膜碘离子选择性电极的研究  

A Polymeric Membrane Iodide Selective Electrode Based on Bisbenzoylacetone-Ethylenediiminocobalt(Ⅱ) as Carrier

作　　者：刘冬[1] 袁若[1] 陈文灿[1] 柴雅琴[1] 高德[1] 李俊忠[1] 俞汝勤[1] 

机构地区：[1]湖南大学化学化工系

出　　处：《高等学校化学学报》1994年第7期991-993,共3页Chemical Journal of Chinese Universities

基　　金：国家自然科学基金;中国科学院长春应用化学研究所电分析化学开放研究实验室资助

摘　　要：以钴Ｓｃｈｉｆｆ碱配合物为载体的ＰＶＣ膜碘离子选择性电极的研究刘冬，袁若，陈文灿，柴雅琴，高德，李俊忠，俞汝勤（湖南大学化学化工系，长沙，４１００８２）关键词　载体，双苯甲酰丙酮缩乙二亚胺合钴（Ⅱ），碘离子选择性电极季铵盐型阴离子选择性电极因其电位选...A new type of polymeric membrane iodide selective electrode based on bisbenzoylacetone-ethylenediiminocobalt(Ⅱ) as the carrier has been prepared.It gives linear response over the concentration range 1.0×10￣(-1)-2.0×10￣(-6) mol/L and a response slope of 57.1±0.3mV/pI(at 20℃).The electrode is fairly selective for iodide over perchlorate,thiocyarate and salicylate.The response mechanism has been investigated.The a.c.impedance spectra and other characteristics of the electrode were also studied.

关 键 词：载体 碘 离子选择电极 PVC膜 

分 类 号：O657.15[理学—分析化学]