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Direct simultaneous determination of Co, Cu, Fe, Ni and V in pore waters by means of adsorptive cathodic stripping voltammetry with mixed ligands

Authors
Journal
Talanta
0039-9140
Publisher
Elsevier
Publication Date
Volume
85
Issue
1
Identifiers
DOI: 10.1016/j.talanta.2011.04.035
Keywords
  • Metals
  • Direct
  • Simultaneous
  • Determination
  • Voltammetry
  • Porewaters

Abstract

Abstract An analytical procedure is proposed for the direct simultaneous determination in a single scan of Co, Cu, Fe, Ni and V in sediment pore waters by means of adsorptive cathodic stripping voltammetry (ACSV) with mixed ligands (DMG and catechol). Optimum conditions for the determination of these five elements were studied. Detection limits of the technique depended upon the reproducibility of the procedure blank, and were found to be 0.04nM Co, 0.09nM Cu, 1.29nM Fe, 0.46nM Ni and 2,52nMV making the method suitable for the direct simultaneous determination of these five metals in pore waters, estuarine waters and probably coastal waters.

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