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The aim of this study was to assess concentrations of essential and toxic metals in fish meat from north-west Poland. Selected metals (Al, Fe, Mn, Zn, Cu, Pb, Cd, Hg, Ni, Mg, Cr, V, Li, K, Ca, Na) were determined in the muscle tissue of freshwater fish species: pike, bream, perch and common carp, harvested from natural waters of West Pomerania, Poland. Levels of Cd and Pb were determined by Graphite...
The aim of this work was to compare selected methods of preparing water samples for analysis of trace elements: Al, Cd, Cr, Cu, Fe, Li, Mn, Ni, Pb, V and Zn. Four methods were compared: two standard methods EPA 3015A and EPA 200.7 and also two modifications of the EPA 3015 A method. In the first modification the samples of water were concentrated by evaporation in Kjeldahl flasks and in the second...
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