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Evaluation of Discrete and Passive Sampling (Diffusive Gradients in Thin-films – DGT) Approach for the Assessment of Trace Metal Dynamics in Marine Waters – a Case Study in a Small Harbor (CROSBI ID 246608)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Cindrić, Ana-Marija ; Cukrov, Neven ; Durrieu, Gaël ; Garnier, Cédric ; Pižeta, Ivanka ; Omanović, Dario Evaluation of Discrete and Passive Sampling (Diffusive Gradients in Thin-films – DGT) Approach for the Assessment of Trace Metal Dynamics in Marine Waters – a Case Study in a Small Harbor // Croatica chemica acta, 90 (2017), 2; 177-185. doi: 10.5562/cca3163

Podaci o odgovornosti

Cindrić, Ana-Marija ; Cukrov, Neven ; Durrieu, Gaël ; Garnier, Cédric ; Pižeta, Ivanka ; Omanović, Dario

engleski

Evaluation of Discrete and Passive Sampling (Diffusive Gradients in Thin-films – DGT) Approach for the Assessment of Trace Metal Dynamics in Marine Waters – a Case Study in a Small Harbor

Two complementary approaches, based on discrete and passive samplings (diffusive gradients in thin-films - DGT), supported by the speciation modeling, were evaluated for the assessment of distribution and operational speciation of trace metals (Zn, Cd, Pb, Cu, Ni and Co) within a small marine harbor (Rijeka, Croatia). Concentrations of dissolved metals were relatively low and comparable to, or slightly above those found in coastal Adriatic region. Compared to higher variability of dissolved metal concentrations due to the discrete sampling, smoother temporal distribution was recorded for DGT-labile metals. The percentages of DGT-labile metal concentrations, which reflect their affinity to organic matter, varied among metals with the following order: Cu < Zn ≈ Co < Ni < Cd ≈ Pb. DGT-labile metal concentrations predicted by speciation modeling were in a good agreement with the measured ones for Zn, Cd and Ni, while they are underestimated for Pb and Cu, and overestimated for Co. In-situ DGT technique is recommended for the assessment of the water quality status in marine environment.

chemical modeling ; diffusive gradients in thin-films (DGT) ; speciation ; trace metals

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Podaci o izdanju

90 (2)

2017.

177-185

objavljeno

0011-1643

1334-417X

10.5562/cca3163

Povezanost rada

Kemija

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