Solid contact cadmium ion-selective electrode based on ionic liquid and carbon nanotubes

被引：48
作者：
Wardak, Cecylia [1 ]
机构：
[1] Marie Curie Sklodowska Univ, Dept Analyt Chem & Instrumental Anal, PL-20031 Lublin, Poland
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2015年 / 209卷
关键词：
Cadmium ion-selective electrode; Ionic liquid; Multi walled carbon nanotubes; Solid contact; POLY(VINYL CHLORIDE) MEMBRANE; POTENTIAL STABILITY; CONDUCTING POLYMERS; DETECTION LIMIT; WATER-UPTAKE; IONOPHORE; SENSORS; LAYER;
D O I：
10.1016/j.snb.2014.11.107
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new type of cadmium ion-selective electrode with solid contact with the implementation of multi-walled carbon nanotubes (MWCNTs) as the ion-to-electron transducer and ionic liquid: 1-butyl-3- methylimidazolium hexafluorophosphate (BMImPF(6)) as a lipophilic ionic additive was reported. The proposed electrode exhibits low detection limit and short response time but has stable, reproducible and reversible potential. The presence of the interfacial water film was evaluated by the potentiometric water layer test and electrical properties of the membrane were studied by electrochemical impedance spectroscopy. (C) 2014 Elsevier B.V. All rights reserved.
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收藏
页码：131 / 137
页数：7
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