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Compatibility of determination of antimony by UV-photochemical generation of volatile compounds and atomic fluorescence spectrometry with potential matrix components
Klečková, Adéla ; Červený, Václav (advisor) ; Nováková, Eliška (referee)
The root of this bachelor work is UV-photochemical generation (UV-PVG) of volatile substances of antimony. Problematics, with which we deal, are potential interferences, which can affect measurement. As model interferents when considering future speciation analysis of antimony using HPLC-UV-PVG-AFS were chosen acetonitrile, methanol, ethanol, L-cysteine and 2-mercaptoethanol. Detection was progressed using atomic fluorescence spectrometry (AFS). L-cysteine muffled the response. Methanol and ethanol were behaving alike. They were increasing and lowering the peaks in waves, when only at the highest concentration they completely disappeared. Acetonitrile was proved to be the most interesting one thanks to its specifical behaviour, which started to show off in higher concentration. 2-mercaptoethanol had in smaller amount similar interference properties as acetonitrile.

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