Application of some modern sample preparation procedures for quantitative determination of vicinal diketones in beer
2009
Horak, T.,Vyzkumny Ustav Pivovarsky a Sladarsky, Prague (Czech Republic). Pivovarsky Ustav | Culik, J.,Vyzkumny Ustav Pivovarsky a Sladarsky, Prague (Czech Republic). Pivovarsky Ustav | Jurkova, M.,Vyzkumny Ustav Pivovarsky a Sladarsky, Prague (Czech Republic). Pivovarsky Ustav | Cejka, P.,Vyzkumny Ustav Pivovarsky a Sladarsky, Prague (Czech Republic). Pivovarsky Ustav | Kellner, V.,Vyzkumny Ustav Pivovarsky a Sladarsky, Prague (Czech Republic). Pivovarsky Ustav
This work is focused on the evaluation and optimization of stir bar sorptive extraction as modern sample preparation procedure for the determination of vicinal diketones in beer. Validated parameters of this optimized method were compared with those of solid phase microextraction. The selective determination of diacetyl and pentandione was performed by gas capillary chromatography with electron capture detection.
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