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121.
Radić Danka S. Pavlović Vera P. Lazović Milana M. Jovičić-Petrović Jelena P. Karličić Vera M. Lalević Blažo T. Raičević Vera B. 《Environmental science and pollution research international》2017,24(27):21885-21893
Environmental Science and Pollution Research - Modern, efficient, and cost-effective approach to remediation of heavy metal-contaminated soil is based on the application of microorganisms. In this... 相似文献
122.
The extent of pollution with organotin compounds and Cd, Pb, Ni, Cu, Zn, Cr, Mn, V, Co and Al was investigated in sediments
and mussels (Mytilus galloprovincialis) from the Slovenian costal area of the Northern Adriatic Sea. Sampling was performed in Marina Portorož, Dockyard Izola,
non exposed area of the Bay of Mesečev zaliv and in Mariculture Sečovlje. Mussels were taken in the summer and winter time,
while sediments were collected during the winter sampling. Organotin compounds were determined by gas chromatography—mass
spectrometry and metals by flame or electrothermal atomic absorption spectrometry. The accuracies of the analytical procedures
were checked by the analysis of standard reference materials CRM 477 mussel tissue and PACS 2 marine sediment (organotin compounds)
and SRM 2976 mussel tissue and CRM 320 river sediment (metals). Good agreements between certified and determined values were
obtained. Normalization procedure to Al was applied to estimate the anthropogenic inputs of metals in sediments. The analyses
of sediments demonstrated moderate pollution with organotin compounds in Marina Portorož and in Dockyard Izola. Concentrations
of tributyltin species were higher than those of dibutyltin and monobutyltin. In mussels substantial contamination with tributyltin
was observed in Marina Porotrož and Dockyard Izola. The extent of pollution was higher in the winter time. The analysis of
metals in sediments exhibited elevated concentrations in Marina Portorož and Dockyard Izola. Data from the normalization procedure
indicated the anthropogenic inputs of Cu, Zn and Cr in Marina Portorož and Mn in Bay of Mesečev zaliv and Dockyard Izola.
Mussels, as accumulators of pollutants, in general contained higher metal concentrations during winter time in Dockyard Izola. 相似文献
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Irena Ciglenečki Srđan Pichler Esad Prohić Božena Ćosović 《Water, Air, & Soil Pollution: Focus》2006,6(5-6):537-545
Geochemical, mineralogical and sedimentological analyses were carried out to contrast two different sites (respectively characterized
by permanently oxic and anoxic conditions) in a small, meromictic, seawater lake. In fact, due to relatively high organic
matter content, and reduced water exchange, the Rogoznica Lake has almost permanent anoxic conditions below the depth of 12 m,
where sediment can be considered an anoxic–sulphidic sedimentary environment. Different water column and sediments redox conditions
affect the distribution and speciation of major redox-sensitive metals (Fe, Mn, Mo), reduced sulphur species (RSS) and dissolved
organic C (DOC). Trace metals, especially those that accumulate in anoxic–sulphidic environments (Fe, Mo) showed a marked
enrichment in the solid phase, whereas the low solubility of sulphides leads to low porewater concentrations. The relatively
high sedimentary enrichment of Mo (up to 81 mg/kg) also confirms highly anoxic conditions within the Rogoznica Lake sediments.
Results clearly show that chemical species within the sediments will tend towards equilibrium between porewater and solid
phase according the prevailing environment conditions such as redox, pH, salinity, DOC. 相似文献
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