Metals concentrations in transitional and coastal waters by ICPMS and voltammetry analysis of spot samples and passive samplers (DGT)

Caetano, M. and Correia dos Santos, M.M. and Rosa, N. and Carvalho, I. and Rodríguez, J.G. and Belzunce-Segarra, M.J. and Menchaca, I. and Larreta, J. and Sanz, M.R. and Millán-Gabet, V. and Gonzalez, J.-L. and Amouroux, I. and Guesdon, S. and Menet-Nédélec, F. and White, B. and Regan, F. and Nolan, M. and McHugh, B. and Bersuder, P. and Bolam, T. and Robinson, C.D. and Fones, G.R. and Zhang, H. and Schintu, M. and Montero, N. and Marras, B. (2022) Metals concentrations in transitional and coastal waters by ICPMS and voltammetry analysis of spot samples and passive samplers (DGT). Marine Pollution Bulletin, 179: 113715. ISSN 0025-326X

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Abstract

This study investigates the relationships among Ni, Cd and Pb's different chemical forms determined by different methodologies in coastal and transitional waters across a broad geographical scale. Concentrations were measured in spot samples and through passive sampling (DGT). High variability of metal concentrations was found among sampling sites and methodologies due to natural water fluctuations rather than to a given metal or method. Total dissolved metal concentrations in spot samples were lower than the EQS-WFD values. The labile fractions of Cd and Pb, measured in spot samples by Anodic Stripping Voltammetry and by DGT-ICPMS, were highly correlated. Similar labilities were found for Cd, while for Pb, the ASV labile fraction was ≈50% lower. These results reflect the pool of mobile and labile species available towards each technique kinetic window, and they seem not to be affected by discrete sampling flaws.

Item Type:
Journal Article
Journal or Publication Title:
Marine Pollution Bulletin
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1900/1910
Subjects:
?? broad geographical scaledgteuropean coastal and transitional waterspriority metalsvoltammetryoceanographypollutionaquatic science ??
ID Code:
220268
Deposited By:
Deposited On:
21 May 2024 15:20
Refereed?:
Yes
Published?:
Published
Last Modified:
21 May 2024 15:20