Thiocyanate ion selective electrode based on bis(N-3-methylphenyl salicylidenaminato)copper(Ⅱ) ionophore

被引：0
|
作者：
A.Benvidi [1 ]
M.T.Ghanbarzadeh [1 ]
M.Dehghan [1 ]
M.Mazloum-Ardakani [1 ]
R.Vafazadeh [1 ]
机构：
[1] Department of Chemistry,Faculty of Science,Yazd University
来源：
ChineseChemicalLetters | 2014年 / 25卷 / 12期
关键词：
Thiocyanate; PVC membrane electrode; Potentiometric determination; lonophore;
D O I：
暂无
中图分类号：
O646.54 [电极过程];
学科分类号：
081704 ;
摘要：
In this work a PVC membrane electrode based on bis(N-3-methyl phenyl salicylidenaminato)copper(II)as ionophore was prepared.The electrode was tested by inorganic anions and showed good selectivity for thiocyanate ion.This sensor showed Nerstian behavior with a slope of a-59.3 mV per decade at 25℃.The proposed electrode exhibited a wide linear range from 1.0 × 10mol/L to 1.0× 10mol/L with a detection limit of 5.0×10mol/L.The electrode response was independent of pH in the range of 4.0-10.0.The response time is about 9-21s,and the electrode can be used for over 60 days without considerable deterioration.The prepared sensor was applied as an indicator electrode in potentiometric titration of SCN with Ag~+ ion and to determine the thiocyanate in samples of urine and saliva.
引用
收藏
页码：1639 / 1642
页数：4
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