Copper-Selective PVC Membrane Sensor

被引：0
|
作者：
Ganjali, Mohammad Reza [1 ]
Ghafarloo, Ali [1 ]
Faridbod, Farnoush [1 ]
Norouzi, Parviz [1 ]
机构：
[1] Univ Tehran, Fac Chem, Ctr Excellence Electrochem, Tehran, Iran
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2012年 / 7卷 / 04期
关键词：
Potentiometry; sensor; copper; ion selective electrode; PVC membrane; CARBON-PASTE ELECTRODE; NANOPOROUS SILICA-GEL; LANTHANIDE RECOGNITION; POTENTIOMETRIC DETERMINATION; SEDIMENT SAMPLES; IONS; MICROSENSOR; HYDROCHLORIDE; CONSTRUCTION; FLUORIDE;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Spectroscopic study in acetonitrile solution shows a selective interaction between 1-(2-hydroxybenzylidene) thiosemicarbazide (L) and copper cation in comparison with other inorganic metal ions. Thus, L was then used as a good sensing material in copper selective PVC membrane sensor. The proposed potentiometric sensor showed a stable potential response to Cu2+ ions with Nernstian slope of 28.6 +/- 0.4 mV decade(-1) over a wide linear concentration range of 1.0x10(-5)-1x10(-1) mol L-1. The sensor was found to have a short response time of about 25 s and have an acceptable life time. Application of the proposed sensor in analysis of copper content of some water samples showed good results.
引用
收藏
页码：3706 / 3716
页数：11
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