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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Impact of soil samples treatment and used measurement methods on heavy metals concentrations.
 Kejík, Marek ; Marko, Michal (referee) ; Hajzler, Jan (advisor)
This bachelor thesis aims to explore the possibilities of treatment of soil samples and compare the suitability of selected analytical methods of analysis for determining the concentration of heavy metals. 7 reference certified materials of various soil types and one soil sample from the recreational area located in Brno were selected. Each soil sample was subjected to three different treatments. It is a method of melting into a solution, decomposition in aqua regia and aqueous extract. All thus treated samples were subsequently subjected to analytical methods for determining the concentration, specifically the ICP-OES and GF-AAS methods were used. To assess the suitability of selected methods of treatment of soil samples and analytical methods of determination, the 4 most risky elements were selected, namely arsenic, cadmium, copper and lead. The measured concentrations were compared with reference values of soil samples. Finally, the suitability of combinations of different sample preparation procedures and selected methods of analytical determination of the content of determined elements from soil samples was assessed.
Detailed record
Impact of soil samples treatment and used measurement methods on heavy metals concentrations.
 Kejík, Marek ; Marko, Michal (referee) ; Hajzler, Jan (advisor)
This bachelor thesis aims to explore the possibilities of treatment of soil samples and compare the suitability of selected analytical methods of analysis for determining the concentration of heavy metals. 7 reference certified materials of various soil types and one soil sample from the recreational area located in Brno were selected. Each soil sample was subjected to three different treatments. It is a method of melting into a solution, decomposition in aqua regia and aqueous extract. All thus treated samples were subsequently subjected to analytical methods for determining the concentration, specifically the ICP-OES and GF-AAS methods were used. To assess the suitability of selected methods of treatment of soil samples and analytical methods of determination, the 4 most risky elements were selected, namely arsenic, cadmium, copper and lead. The measured concentrations were compared with reference values of soil samples. Finally, the suitability of combinations of different sample preparation procedures and selected methods of analytical determination of the content of determined elements from soil samples was assessed.
Detailed record

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