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  • From extraction experiments and gamma-activity measurements, the exchange extraction constant corresponding to the equilibrium Ba2+(aq) + 1 center dot Sr2+(nb) aY(0)1 center dot Ba2+(nb) + Sr2+(aq) taking place in the two-phase water-nitrobenzene system (1 = beauvericin; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as log K (ex) (Ba2+, 1 center dot Sr2+) = 1.2 +/- A 0.1. Further, the stability constant of the beauvericin-barium complex (abbrev. 1 center dot Ba2+) in nitrobenzene saturated with water was calculated for a temperature of 25 A degrees C: log beta (nb) (1 center dot Ba2+) = 9.5 +/- A 0.2. Finally, by using quantum mechanical DFT calculations, the most probable structure of the 1 center dot Ba2+ complex species was predicted.
  • From extraction experiments and gamma-activity measurements, the exchange extraction constant corresponding to the equilibrium Ba2+(aq) + 1 center dot Sr2+(nb) aY(0)1 center dot Ba2+(nb) + Sr2+(aq) taking place in the two-phase water-nitrobenzene system (1 = beauvericin; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as log K (ex) (Ba2+, 1 center dot Sr2+) = 1.2 +/- A 0.1. Further, the stability constant of the beauvericin-barium complex (abbrev. 1 center dot Ba2+) in nitrobenzene saturated with water was calculated for a temperature of 25 A degrees C: log beta (nb) (1 center dot Ba2+) = 9.5 +/- A 0.2. Finally, by using quantum mechanical DFT calculations, the most probable structure of the 1 center dot Ba2+ complex species was predicted. (en)
Title
  • Experimental and DFT study on the complexation of Ba2+ with beauvericin
  • Experimental and DFT study on the complexation of Ba2+ with beauvericin (en)
skos:prefLabel
  • Experimental and DFT study on the complexation of Ba2+ with beauvericin
  • Experimental and DFT study on the complexation of Ba2+ with beauvericin (en)
skos:notation
  • RIV/60460709:41330/13:61040!RIV14-MSM-41330___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
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  • I, P(GAP205/10/2280), S, Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
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  • 74003
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  • RIV/60460709:41330/13:61040
http://linked.open...riv/jazykVysledku
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  • Beauvericin, Barium cation, Complexation, Extraction and stability constants, Water-nitrobenzene system, DFT calculations, Complex structure (en)
http://linked.open.../riv/klicoveSlovo
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  • HU - Maďarsko
http://linked.open...ontrolniKodProRIV
  • [9D9D288AB057]
http://linked.open...i/riv/nazevZdroje
  • Journal of Radioanalytical and Nuclear Chemistry
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  • 295
http://linked.open...iv/tvurceVysledku
  • Makrlík, Emanuel
  • Toman, Petr
  • Vaňura, Petr
http://linked.open...ain/vavai/riv/wos
  • 000314895400039
http://linked.open...n/vavai/riv/zamer
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  • 0236-5731
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  • 41330
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