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

页码：3706 / 3716

页数：11

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