Modified carbon paste electrode for potentiometric determination of silver(I) ions in burning cream and radiological films

被引：26

作者：

Abu-Shawish, Hazem M. ^{[1
]}

Saadeh, Salman M. ^{[2
]}

Dalloul, Hany M. ^{[1
]}

Najri, Bassam ^{[2
]}

Al Athamna, Hassan ^{[2
]}

机构：

[1] Al Aqsa Univ, Fac Sci, Gaza, Israel

[2] Islamic Univ Gaza, Coll Sci, Dept Chem, Gaza, Israel

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 182卷

关键词：

Silver-ion selective electrodes; 2-Acetylbenzimidazole benzoylhydrazone; Carbon paste electrode; COATED-WIRE ELECTRODE; SELECTIVE ELECTRODES; NEUTRAL CARRIER; MEMBRANE-ELECTRODE; PI-COORDINATE; SENSORS; IONOPHORES; LIGANDS; PERFORMANCE; DERIVATIVES;

D O I：

10.1016/j.snb.2013.03.018

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

2-Acetylbenzimidazole benzoylhydrazone (NNO) was used as a chemical modifier for design carbon paste electrode of silver ion. The sensor exhibited a working concentration range of 1.1 x 10(-7)-1.0 x 10(-3)M, with a near-Nernstian slope of 61.2 +/- 0.5 mV/decade and detection limit of 7.0 x 10(-8) M. It was found to be very selective, precise, and usable within the pH range 3.5-8.5 and possessed a fast response time of similar to 3 s. The proposed carbon paste electrode shows a very good selectivity for Ag(I) over a wide variety of metal ions. The modified electrode was successfully used for the determination of the silver content in burning cream and radiological films with satisfactory results (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：374 / 381

页数：8

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