Development of a rapid method for extraction of uranium from uranium bearing materials using ionic liquid as extracting agent from basic media.
Alpha spectrometry
Ionic liquid
Liquid scintillation counting
Nuclear forensics
Uranium
Journal
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
ISSN: 1872-9800
Titre abrégé: Appl Radiat Isot
Pays: England
ID NLM: 9306253
Informations de publication
Date de publication:
Jan 2022
Jan 2022
Historique:
received:
08
06
2021
revised:
29
10
2021
accepted:
01
11
2021
pubmed:
10
11
2021
medline:
10
11
2021
entrez:
9
11
2021
Statut:
ppublish
Résumé
The paper presents the development of a rapid method for the direct determination of uranium using liquid scintillation analysis in uranium bearing materials with different uranium concentrations and with different impurity levels (U-ore, Uranium ore concentrate (UOC) and U-metal). Uranium extraction was carried out using hydrophobic ionic liquid Aliquat-336 thiosalicylate, ([A-336][TS]) from diluted samples in basic medium followed by liquid scintillation counting (LSC). Extraction efficiencies for uranium from aqueous medium was studied with very small volumes of ionic liquid under varying volume, pH and uranium concentration of the aqueous medium. Maximum extraction efficiency was achieved near pH 8-11. Uranium was successfully re-extracted from organic medium with nitric acid and electroplated onto stainless steel planchette for alpha spectrometry determination. Maximum re-extraction efficiency with 1 M HNO
Identifiants
pubmed: 34753086
pii: S0969-8043(21)00412-7
doi: 10.1016/j.apradiso.2021.110017
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
110017Informations de copyright
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