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Statements

Subject Item
n2:RIV%2F46356088%3A_____%2F10%3A%230001016%21RIV11-GA0-46356088
rdf:type
skos:Concept n11:Vysledek
dcterms:description
Extraction of microamounts of calcium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B-) in the presence of dicyclohexano-18-crown-6 (DCH18C6, L) and dicyclohexano-24-crown-8 (DCH24C8, L) has been investigated. The equilibrium data have been explained assuming that the species HL+, HL2+; CaL2+ and CaL22+ (L = DCH18C6, DCH24C8) are present in the organic phase. The values of extraction and stability constants of the complex species in nitrobenzene saturated with water have been determined. It was found that the stability constants of CaL2+ (L = DCH18C6, DCH24C8) for both ligands under study are practically the same in nitrobenzene saturated with water, whereas in this medium the stability of the complex CaL22+ involving the DCH24C8 ligand is somewhat higher than that of CaL22+ with the ligand DCH18C6. Extraction of microamounts of calcium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B-) in the presence of dicyclohexano-18-crown-6 (DCH18C6, L) and dicyclohexano-24-crown-8 (DCH24C8, L) has been investigated. The equilibrium data have been explained assuming that the species HL+, HL2+; CaL2+ and CaL22+ (L = DCH18C6, DCH24C8) are present in the organic phase. The values of extraction and stability constants of the complex species in nitrobenzene saturated with water have been determined. It was found that the stability constants of CaL2+ (L = DCH18C6, DCH24C8) for both ligands under study are practically the same in nitrobenzene saturated with water, whereas in this medium the stability of the complex CaL22+ involving the DCH24C8 ligand is somewhat higher than that of CaL22+ with the ligand DCH18C6.
dcterms:title
Solvent extraction of calcium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of dicyclohexano-18-crown-6 and dicyclohexano-24-crown-8 Solvent extraction of calcium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of dicyclohexano-18-crown-6 and dicyclohexano-24-crown-8
skos:prefLabel
Solvent extraction of calcium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of dicyclohexano-18-crown-6 and dicyclohexano-24-crown-8 Solvent extraction of calcium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of dicyclohexano-18-crown-6 and dicyclohexano-24-crown-8
skos:notation
RIV/46356088:_____/10:#0001016!RIV11-GA0-46356088
n3:aktivita
n5:S n5:P n5:Z
n3:aktivity
P(GA104/09/0668), S, Z(MSM4977751303)
n3:cisloPeriodika
3
n3:dodaniDat
n4:2011
n3:domaciTvurceVysledku
n10:6994520
n3:druhVysledku
n16:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
288547
n3:idVysledku
RIV/46356088:_____/10:#0001016
n3:jazykVysledku
n8:eng
n3:klicovaSlova
extraction; calcium; nitrobenzene; dicarbollylcobaltate; crown ether
n3:klicoveSlovo
n12:calcium n12:dicarbollylcobaltate n12:nitrobenzene n12:crown%20ether n12:extraction
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[9C2CC4CACD43]
n3:nazevZdroje
Journal of Radioanalytical and Nuclear Chemistry
n3:obor
n17:DL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n6:GA104%2F09%2F0668
n3:rokUplatneniVysledku
n4:2010
n3:svazekPeriodika
285
n3:tvurceVysledku
Makrlík, Emanuel Selucký, Pavel Vaňura, Petr
n3:wos
000281089300027
n3:zamer
n18:MSM4977751303
s:issn
0236-5731
s:numberOfPages
6