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Direct Simultaneous Determination of Cu, Ni and V in Seawater Using Adsorptive Cathodic Stripping Voltammetry with Mixed Ligands
Author(s) -
CobeloGarcía A.,
SantosEcheandía J.,
Prego R.,
Nieto O.
Publication year - 2005
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.200403203
Subject(s) - cathodic stripping voltammetry , seawater , stripping (fiber) , voltammetry , adsorptive stripping voltammetry , detection limit , chemistry , cathodic protection , reproducibility , catechol , metal , analytical chemistry (journal) , environmental chemistry , chromatography , materials science , electrode , electrochemistry , oceanography , organic chemistry , composite material , geology
An analytical procedure is proposed for the direct simultaneous determination in a single scan of Cu, Ni and V in seawater by means of adsorptive cathodic stripping voltammetry (ACSV) with mixed ligands (DMG and catechol). Optimum conditions for the determination of these three elements were studied. Detection limits of the technique depended upon the reproducibility of the procedura blank, and were found to be 0.5 nM for Cu, 0.4 nM for Ni and 0.3 nM for V. The method is suitable for the analysis of estuarine, coastal and open‐ocean waters, and especially to study the metal contamination in areas subject to oil spill events.