About: Stability of Complexes of Alkali Metal Cations with Tetraethyl p-Tert.-Butylcalix[4]arene Tetraacetate in the Water-Nitrobenzene Extraction System     Goto   Sponge   NotDistinct   Permalink

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  • From extn. expts. and -activity measurements, the exchange extn. consts. corresponding to the general equil. M+(aq) + NaL+(nb) = ML+(nb) + Na+(aq) taking place in the two-phase water-nitrobenzene system (L = tetra-Et p-tert-butylcalix[4]arene tetraacetate; aq = aq. phase, nb = nitrobenzene phase) were evaluated. Further, the stability consts. of the ML+ complexes in water satd. nitrobenzene were calcd.; they were found to increase in the cation order Cs+ < Rb+ < K+ < Li+ < Na+.
  • From extn. expts. and -activity measurements, the exchange extn. consts. corresponding to the general equil. M+(aq) + NaL+(nb) = ML+(nb) + Na+(aq) taking place in the two-phase water-nitrobenzene system (L = tetra-Et p-tert-butylcalix[4]arene tetraacetate; aq = aq. phase, nb = nitrobenzene phase) were evaluated. Further, the stability consts. of the ML+ complexes in water satd. nitrobenzene were calcd.; they were found to increase in the cation order Cs+ < Rb+ < K+ < Li+ < Na+. (en)
  • Na základě extrakčních měření v systému voda - nitrobenzen byly stanoveny hodnoty extrakčních konstant reakce M+(aq) + NaL+(nb) = ML+(nb) + Na+(aq) (L = tetra-ethyl p-tert-butylcalix[4]arene tetraacetate; aq = vodná fáze, nb = nitrobenzenová fáze) a konstanty stability komplexů ML+ (M+ = Cs+, Rb+, K+, Li+ a Na+) v nitrobenzenu, nasyceném vodou, které rostou v řadě Cs+ < Rb+ < K+ < Li+ < Na+. (cs)
Title
  • Stability of Complexes of Alkali Metal Cations with Tetraethyl p-Tert.-Butylcalix[4]arene Tetraacetate in the Water-Nitrobenzene Extraction System
  • Konstanty stability komplexů alkalických kationtů s tetraethyl p-terc-butylkalix[4]aren tetraacetátem v extrakčním systému voda - nitrobenzen (cs)
  • Stability of Complexes of Alkali Metal Cations with Tetraethyl p-Tert.-Butylcalix[4]arene Tetraacetate in the Water-Nitrobenzene Extraction System (en)
skos:prefLabel
  • Stability of Complexes of Alkali Metal Cations with Tetraethyl p-Tert.-Butylcalix[4]arene Tetraacetate in the Water-Nitrobenzene Extraction System
  • Konstanty stability komplexů alkalických kationtů s tetraethyl p-terc-butylkalix[4]aren tetraacetátem v extrakčním systému voda - nitrobenzen (cs)
  • Stability of Complexes of Alkali Metal Cations with Tetraethyl p-Tert.-Butylcalix[4]arene Tetraacetate in the Water-Nitrobenzene Extraction System (en)
skos:notation
  • RIV/60461373:22340/07:00019597!RIV08-MSM-22340___
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  • 881-886
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  • S
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  • 7
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  • 451962
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  • RIV/60461373:22340/07:00019597
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  • Calix[4]arene; alkali metal ions; stability; nitrobenzene (en)
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  • DE - Spolková republika Německo
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  • [AEEDDE68E16F]
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  • Z. Phys. Chem
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  • 221
http://linked.open...iv/tvurceVysledku
  • Makrlík, E.
  • Vaňura, Petr
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  • 0942-9352
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  • 22340
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