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Study of the interaction of hazardous metal – microplastic
Sinčáková, Lenka ; Řezáčová, Veronika (oponent) ; Doležalová Weissmannová, Helena (vedoucí práce)
Microplastics are ubiqitous in the aquatic environmet and serve as a vector of wide range of contaminants, including heavy metals. This thesis aimed to examine the adsorption processes of five heavy metals (Pb, Hg, Zn, Cu and Cd) onto polyethylene terephtalate (PET), common river and sea pollutant. There has not been found a clear trend with regard to the influence of the size of the microplastics on the adsorption process. The salinity of the environment, on the other hand, has been found to have a profound impact on the adsorption process, with the observable decline of the adsorbed amounts in the environment with high ionic strength. The analysed heavy metals have been sorted in ascending order by its adsorption on PET as follows: Hg
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FTIR analysis of soils containing plastics and microplastics
Sinčáková, Lenka ; Pavlovský, Jiří (oponent) ; Doležalová Weissmannová, Helena (vedoucí práce)
This bachelor thesis deals with the sources of microplastics in soils, their potential toxicity for men as well as the environment and soil-plastic interaction. It provides an overview of methods that are commonly used for qualitative and quantitative characterisation of microplastics in soils with focus on FTIR spectrometry. In the experimental part, real soil samples were evaluated with the use of ATR-FTIR based on model soils-microplastics mixtures calibrations. Vaidation models for model mixtures and carbon content were also evaluated.
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FTIR analysis of soils containing plastics and microplastics
Sinčáková, Lenka ; Pavlovský, Jiří (oponent) ; Doležalová Weissmannová, Helena (vedoucí práce)
This bachelor thesis deals with the sources of microplastics in soils, their potential toxicity for men as well as the environment and soil-plastic interaction. It provides an overview of methods that are commonly used for qualitative and quantitative characterisation of microplastics in soils with focus on FTIR spectrometry. In the experimental part, real soil samples were evaluated with the use of ATR-FTIR based on model soils-microplastics mixtures calibrations. Vaidation models for model mixtures and carbon content were also evaluated.
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