Determination of Trace Europium by Adsorptive Cathodic Stripping Voltammetry after Complexation with Cupferron

Ornella Abollino, Maurizio Aceto, Edoardo Mentasti, Corrado Sarzanini, Constant M.G. Van Den Berg

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

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.

Lingua originaleInglese
pagine (da-a)444-448
Numero di pagine5
RivistaElectroanalysis
Volume9
Numero di pubblicazione6
DOI
Stato di pubblicazionePubblicato - apr 1997
Pubblicato esternamente

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