Terbium(III) Ion-Selective Electrochemical Sensor Based on Hematoporphyrin

被引：51
|
作者：
Mohammadhossieni, Majed [2 ]
Zamani, Hassan Ali [1 ]
Nekoei, Mehdi [2 ]
机构：
[1] Islamic Azad Univ, Quchan Branch, Dept Appl Chem, Quchan, Iran
[2] Islamic Azad Univ, Shahroud Branch, Dept Chem, Shahroud, Iran
来源：
ANALYTICAL LETTERS | 2009年 / 42卷 / 02期
关键词：
Ion-selective electrode; Potentiometry; PVC membrane; Sensor; Terbium (III); PVC-MEMBRANE-ELECTRODE; SEDIMENT SAMPLES; NEUTRAL IONOPHORE; SCHIFFS BASE; COPPER(II)-SELECTIVE ELECTRODE; DYSPROSIUM(III) ION; CONSTRUCTION; CARRIER; SOIL; FABRICATION;
D O I：
10.1080/00032710802585675
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A polyvinyl chloride (PVC) based membrane sensor for terbium ions was prepared by employing Hematoporphyrin (HP) as an ionophore. The sensor revealed a very good selectivity (expect for the Fe3+ion) with respect to common alkali, alkaline earth and heavy metal ions. The plasticized membrane electrode exhibits a Nernstian response for Tb3+ ions over a wide concentration range (1.010-6-1.010-2M) with a slope of 19.80.3mV per decade and low detection limit of 7.410-7M. The developed sensor was used in determination of F- in mouth wash preparation sample.
引用
收藏
页码：298 / 311
页数：14
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