Monitoring Trace Amounts of Silver(I) in Water Samples Using a Potentiometric Sensor Based on 1,3-Bis(2-ethoxyphenyl)Triazene

被引：4

作者：

Mohammadi, Moslem ^{[1
]}

Khodadadian, Mehdi ^{[2
]}

Rofouei, Mohammad Kazem ^{[1
]}

Beiza, Armin ^{[1
]}

Jalalvand, Ali Reza ^{[2
]}

机构：

[1] Tarbiat Moallem Univ, Fac Chem, Tehran 3197937551, Iran

[2] Razi Univ, Fac Chem, Kermanshah 6714967346, Iran

来源：

SENSOR LETTERS | 2010年 / 8卷 / 02期

关键词：

Silver-Selective Electrode; Potentiometric Sensor; PVC Membrane; 1,3-Bis(2-ethoxyphenyl)Triazene (EPT); ATOMIC-ABSORPTION-SPECTROMETRY; ION-SELECTIVE ELECTRODE; NEUTRAL-CARRIER; PRECONCENTRATION; DERIVATIVES; ADDITIVES; MEMBRANES;

D O I：

10.1166/sl.2010.1265

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This study reports a new silver(I) ion-selective electrode based on 1,3-bis(2-ethoxyphenyl)triazene as a neutral carrier for detection and determination of trace amounts of silver(I) in aqueous solutions. Nernstian electrode response (59.8 +/- 0.7 mV decade(-1)) for silver ion was observed over a wide concentration range (3.2 x 10(-7) - 1.0 x 10(-1) M) with a low detection limit (8.5 x 10(-8) M). The electrode revealed good selectivity toward Ag(I) ion over a wide variety of alkali, alkaline earth, transition, and heavy metal ions. The proposed silver(I) ion-selective electrode was used for the determination of Ag(I) in aqueous samples and as an indicator electrode in potentiometric titration of Ag(I) ions.

引用

页码：285 / 291

页数：7

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