Determination of trace europium by adsorptive cathodic stripping voltammetry after complexation with cupferron

被引：20

作者：

Abollino, O ^{[1
]}

Aceto, M ^{[1
]}

Mentasti, E ^{[1
]}

Sarzanini, C ^{[1
]}

van den Berg, CMG ^{[1
]}

机构：

[1] UNIV LIVERPOOL, DEPT OCEANOG, LIVERPOOL L69 3BX, MERSEYSIDE, ENGLAND

来源：

ELECTROANALYSIS | 1997年 / 9卷 / 06期

关键词：

europium determination; cathodic stripping voltammetry; ytterbium determination; rare earth elements; lanthanides; cupferron; square wave voltammetry;

D O I：

10.1002/elan.1140090603

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This article describes the determination of Eu by adsorptive cathodic stripping voltammetry after complexation with N-nitroso-N-phenylhydroxylamine (cupferron). The accumulation of the complex at the HMDE was performed at 0.0 V and the subsequent potential scan was made in the square wave mode. The analyte signal occurred at -0.88 V. The detection Limit is 0.06 nmol dm(-3). The effect of instrumental and chemical parameters on the peak height and potential was investigated. The same technique can be used for the determination of ytterbium and of the other rare earth elements (REEs) after separation.

引用

页码：444 / 448

页数：5

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