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Adsorptive stripping voltammetric determination of vanadium as chloranilic acid complex

Identifieur interne : 002803 ( Main/Exploration ); précédent : 002802; suivant : 002804

Adsorptive stripping voltammetric determination of vanadium as chloranilic acid complex

Auteurs : Sylvia Sander [Allemagne] ; Günter Henze [Allemagne]

Source :

RBID : ISTEX:A3959C2344F7EFA18736C0BEC8834A30CBBF7223

Descripteurs français

English descriptors

Abstract

Abstract: Traces of vanadium(V) can be determined up to 21 ng/l by adsorptive stripping voltammetry using 2,5-dichloro-1,4-dihydroxy-3,6-benzoquinone (chloranilic acid) as complex forming reagent. The complex is stable in a 0.1 mol/l acetate buffer (pH 4.6) solution and adsorbed at the electrode surface in a potential range between −150 mV and −400 mV. The adsorption process is solved by alternating current (ac) voltammetric measurements. The method is applied to different real samples.

Url:
DOI: 10.1007/s0021663560259


Affiliations:


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