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Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F03%3A00007620%21RIV%2F2004%2FMSM%2F223404%2FN
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Radiochemical generator using two phase hexachloro-bis-1,2-dicarbollylcobaltate (H+,B-) crown extraction system has been designed. This generator is based on the application of aqueous solution with HCl and nitrobenzene solution of hydrogen form of hexachlorodicarbollylcobaltate. Radioisotope 90Sr is originally present in the organic phase. Two ligands can be used to obtain high efficiency of Sr/Y separation. The first extraction system comprises 0.2 M solution of hydrochloric acid in the aqueous and the organic phase contains 0.014 M (H+,B-) and 0.0056 M 15-crown-5. The second extraction system uses the organic phase containing 0.03 M (H+,B-) and 0.015 M benzo-15-crown-5. The advantage of this extraction generator lies in the fact that 90Sr is presentin low nitrobenzene phase and the daughter 90Y radioisotope is currently re-extracted to upper aqueous phase. This technique for the separation of product is easier than in the case of a light organic phase application. The separation factor Y/Sr-10e5 f Radiochemical generator using two phase hexachloro-bis-1,2-dicarbollylcobaltate (H+,B-) crown extraction system has been designed. This generator is based on the application of aqueous solution with HCl and nitrobenzene solution of hydrogen form of hexachlorodicarbollylcobaltate. Radioisotope 90Sr is originally present in the organic phase. Two ligands can be used to obtain high efficiency of Sr/Y separation. The first extraction system comprises 0.2 M solution of hydrochloric acid in the aqueous and the organic phase contains 0.014 M (H+,B-) and 0.0056 M 15-crown-5. The second extraction system uses the organic phase containing 0.03 M (H+,B-) and 0.015 M benzo-15-crown-5. The advantage of this extraction generator lies in the fact that 90Sr is presentin low nitrobenzene phase and the daughter 90Y radioisotope is currently re-extracted to upper aqueous phase. This technique for the separation of product is easier than in the case of a light organic phase application. The separation factor Y/Sr-10e5 f
dcterms:title
Radiochemical 90Sr/90Y generator using two phase heptachloro-bis1,2-dicarbollylcobaltate crown extraction system Radiochemical 90Sr/90Y generator using two phase heptachloro-bis1,2-dicarbollylcobaltate crown extraction system
skos:prefLabel
Radiochemical 90Sr/90Y generator using two phase heptachloro-bis1,2-dicarbollylcobaltate crown extraction system Radiochemical 90Sr/90Y generator using two phase heptachloro-bis1,2-dicarbollylcobaltate crown extraction system
skos:notation
RIV/60461373:22340/03:00007620!RIV/2004/MSM/223404/N
n3:strany
A459-A464
n3:aktivita
n6:Z
n3:aktivity
Z(MSM 223400008)
n3:cisloPeriodika
53
n3:dodaniDat
n14:2004
n3:domaciTvurceVysledku
n12:1954415 n12:9665803
n3:druhVysledku
n16:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
624497
n3:idVysledku
RIV/60461373:22340/03:00007620
n3:jazykVysledku
n15:eng
n3:klicovaSlova
90Sr; 90Y; Strontium; yttrium; Radiochemical generator; Extraction; Nitrobenzene; Dicarbollylcobaltate
n3:klicoveSlovo
n4:Dicarbollylcobaltate n4:Strontium n4:90Sr n4:Nitrobenzene n4:Radiochemical%20generator n4:Extraction n4:90Y n4:yttrium
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[B25D1F2B42E7]
n3:nazevZdroje
Czechoslovak Journal of Physics
n3:obor
n13:CB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:rokUplatneniVysledku
n14:2003
n3:svazekPeriodika
53
n3:tvurceVysledku
Křížová, Věra Vaňura, Petr
n3:zamer
n7:MSM%20223400008
s:issn
0011-4626
s:numberOfPages
6
n18:organizacniJednotka
22340