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Statements

Subject Item
n2:RIV%2F46356088%3A_____%2F09%3A%230001225%21RIV13-GA0-46356088
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The extraction of micro amounts of cesium by nitrobenzene solutions of sodium, potassium and rubidium dicarbollylcobaltates (M(+)B(-);M(+)=Na(+),K(+),Rb(+)) has been investigated in the presence of 2,3-naphtho-15-crown-5 (N15C5, L). The equilibrium data were explained by assuming that ML(+) and ML (2) (+) complexes (M(+)=Na(+),K(+),Rb(+), Cs(+); L=N15C5) were present in the organic phase. The stability constants of the complex species ML(+) and ML (2) (+) have been determined in nitrobenzene saturated with water. It was found that the stability of the complex cation ML(+) (where M(+)=Na(+),K(+),Rb(+), Cs(+); L=N15C5) in water-saturated nitrobenzene solutions increases along the series Cs(+)< Rb(+)< K(+)< Na(+), whereas that of the species ML (2) (+) in the same medium increases in the order Cs(+)< Rb(+)< Na(+)< K(+). The extraction of micro amounts of cesium by nitrobenzene solutions of sodium, potassium and rubidium dicarbollylcobaltates (M(+)B(-);M(+)=Na(+),K(+),Rb(+)) has been investigated in the presence of 2,3-naphtho-15-crown-5 (N15C5, L). The equilibrium data were explained by assuming that ML(+) and ML (2) (+) complexes (M(+)=Na(+),K(+),Rb(+), Cs(+); L=N15C5) were present in the organic phase. The stability constants of the complex species ML(+) and ML (2) (+) have been determined in nitrobenzene saturated with water. It was found that the stability of the complex cation ML(+) (where M(+)=Na(+),K(+),Rb(+), Cs(+); L=N15C5) in water-saturated nitrobenzene solutions increases along the series Cs(+)< Rb(+)< K(+)< Na(+), whereas that of the species ML (2) (+) in the same medium increases in the order Cs(+)< Rb(+)< Na(+)< K(+).
dcterms:title
Stability Constants of Some Univalent Cation Complexes of 2,3-Naphtho-15-crown-5 in Nitrobenzene Saturated with Water Stability Constants of Some Univalent Cation Complexes of 2,3-Naphtho-15-crown-5 in Nitrobenzene Saturated with Water
skos:prefLabel
Stability Constants of Some Univalent Cation Complexes of 2,3-Naphtho-15-crown-5 in Nitrobenzene Saturated with Water Stability Constants of Some Univalent Cation Complexes of 2,3-Naphtho-15-crown-5 in Nitrobenzene Saturated with Water
skos:notation
RIV/46356088:_____/09:#0001225!RIV13-GA0-46356088
n3:aktivita
n10:Z n10:S n10:P
n3:aktivity
P(GA104/09/0668), S, Z(MSM4977751303)
n3:cisloPeriodika
9
n3:dodaniDat
n18:2013
n3:domaciTvurceVysledku
n14:6994520
n3:druhVysledku
n4:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
343304
n3:idVysledku
RIV/46356088:_____/09:#0001225
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Univalent cations; 2,3-Naphtho-15-crown-5; Stability constants; Water-nitrobenzene system; Extraction
n3:klicoveSlovo
n8:Univalent%20cations n8:2 n8:Water-nitrobenzene%20system n8:Extraction n8:3-Naphtho-15-crown-5 n8:Stability%20constants
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[95CFAE544339]
n3:nazevZdroje
Journal of Solution Chemistry
n3:obor
n11:DL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n15:GA104%2F09%2F0668
n3:rokUplatneniVysledku
n18:2009
n3:svazekPeriodika
38
n3:tvurceVysledku
Selucký, Pavel
n3:wos
000268583800003
n3:zamer
n13:MSM4977751303
s:issn
0095-9782
s:numberOfPages
10
n12:doi
10.1007/s10953-009-9434-z