A new chelation induced enhanced fluorescence-type optical sensor based on parared immobilized in a plasticized PVC membrane for selective determination of Zn(II) ions

被引：33
作者：
Shamsipur, Mojtaba [2 ]
Poursaberi, Tahereh [1 ]
Hassanisadi, Mostafa [1 ]
Rezapour, Morteza [1 ]
Nourmohammadian, Farahnaz [3 ]
Alizadeh, Kamal [4 ]
机构：
[1] RIPI, Tehran, Iran
[2] Razi Univ, Dept Chem, Kermanshah, Iran
[3] Inst color Sci & technol, Dept organ colorants, Tehran, Iran
[4] Lorestan Univ, Dept Chem, Khorramabad, Iran
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2012年 / 161卷 / 01期
关键词：
Optode membrane; Zinc; Fluorescence enhancement; Parared; OPTODE MEMBRANE; FLOW-INJECTION; METAL-IONS; ZINC; CADMIUM; ELECTRODE; FLUOROIONOPHORE; CHEMOSENSORS; FLUOROPHORE; CALCIUM;
D O I：
10.1016/j.snb.2011.12.021
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new optical sensor based on fluorescence enhancement of a disperse azo dye (parared, PR) immobilized in a plasticized PVC membrane for the determination of Zn2+ ions has been developed. The optode displays a calibration response for Zn2+ ions over the concentration range of 5.0 x 10(-3)-1.0 x 10(-6) M. The response characteristics of the sensor including its response mechanism, membrane composition, pH of solution, repeatability and reproducibility, response time, regeneration and selectivity are discussed in detail. The optode was applied as an indicator electrode in titration of zinc ions and also to the determination of zinc in zinc sulfate tablets and zinc oxide cream. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1080 / 1087
页数：8
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