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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ibragimow, Aleksandra
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Topics
Publications (3/3 displayed)
- 2013Effects of flooding on the contamination of floodplain sediments with available fractions of trace metals (western Poland)
- 2013Physico-chemical parameters determining the variability of actually and potentially available fractions of heavy metals in fluvial sediments of the middle Odra rivercitations
- 2010Heavy metals in fluvial sediments of the odra river flood plains - Introductory researchcitations
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article
Physico-chemical parameters determining the variability of actually and potentially available fractions of heavy metals in fluvial sediments of the middle Odra river
Abstract
<p>The occurrence of heavy metals (Cd, Cr, Cu, Ni, Pb, Zn) has been determined in the fl uvial sediment samples collected along three transects in the Middle Odra River (western Poland) with a width of 360 m. The total concentrations of the metals were obtained after HNO<sub>3</sub> microwave digestion and the available fractions of heavy metals were determined by single extraction procedures using two extractants: 0.01M CaCl<sub>2</sub> and 0.05M EDTA. The measurement of physico-chemical parameters was also performed. The determination of total and available fractions of heavy metals, except potential available fractions of Cr, revealed high concentrations of studied elements detected in the sediment samples characterized by high content of coarse and very coarse-grained sand fraction and high content of organic matter. It was found that the concentrations of total and available fractions of metals could increase along with the content of organic matter, Eh values and concentrations of H<sup>+</sup>. Apart from the above, those concentrations become the lowest, the higher the content of medium grain size fractions is. Furthermore, the amounts of CaCl<sub>2</sub> and EDTA extractable metals increase in the sediments samples characterized by the lowest total and available concentrations of heavy metals.</p>