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Use of the diffusive gradients in thin films technique to evaluate (bio)available trace metal concentrations in river water
Divis P, Docekalová H, Brulík L, Pavlis M, Hekera P
Language English Country Germany
NLK
ProQuest Central
from 2005-01-01 to 2008-12-31
Medline Complete (EBSCOhost)
from 2003-01-01 to 1 year ago
Health & Medicine (ProQuest)
from 2005-01-01 to 2008-12-31
- MeSH
- Water Pollutants, Chemical analysis MeSH
- Diffusion MeSH
- Financing, Organized MeSH
- Metals analysis metabolism MeSH
- Bryopsida metabolism MeSH
- Rivers chemistry MeSH
- Seasons MeSH
- Trace Elements analysis metabolism MeSH
Concentrations of Cd, Cu, Cr, Pb, Ni and Zn were monitored in the Svitava River (the Czech Republic) during April and September 2005. Total concentrations and total dissolved concentrations were obtained through regular water sampling, and the diffusive gradients in thin films technique (DGT) were used to gain information on the kinetically labile metal concentrations. Each measured concentration was compared with the corresponding average (bio)available concentration calculated from the mass of metal accumulated by the moss species Fontinalis antipyretica. The concentrations of Cd, Pb, Cr and Zn measured using DGT corresponded well with those obtained after the deployment of Fontinalis antipyretica moss bags in the Svitava River, but the concentrations of Cu and Ni did not. The calculated (bio)available Cu concentration correlated well with the total dissolved concentration of Cu, whereas no correlation was found to exist between the concentrations of Ni.
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- $a Use of the diffusive gradients in thin films technique to evaluate (bio)available trace metal concentrations in river water / $c Divis P, Docekalová H, Brulík L, Pavlis M, Hekera P
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- $a Institute of Chemistry and Technology of Environmental Protection, Brno University of Technology, Faculty of Chemistry, Purkynova 118, 61200, Brno, Czech Republic. divis79@yahoo.com
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- $a Concentrations of Cd, Cu, Cr, Pb, Ni and Zn were monitored in the Svitava River (the Czech Republic) during April and September 2005. Total concentrations and total dissolved concentrations were obtained through regular water sampling, and the diffusive gradients in thin films technique (DGT) were used to gain information on the kinetically labile metal concentrations. Each measured concentration was compared with the corresponding average (bio)available concentration calculated from the mass of metal accumulated by the moss species Fontinalis antipyretica. The concentrations of Cd, Pb, Cr and Zn measured using DGT corresponded well with those obtained after the deployment of Fontinalis antipyretica moss bags in the Svitava River, but the concentrations of Cu and Ni did not. The calculated (bio)available Cu concentration correlated well with the total dissolved concentration of Cu, whereas no correlation was found to exist between the concentrations of Ni.
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