Published June 2013 | Version v1
Journal article Metadata-only

Extraction of Europium(III) and Cobalt(II) by N,N,N',N'-tetraoctyldiglycolamide and N,N,N',N'-tetrahexyldiglycolamide from aqueous acid solutions

Creators

  • 1. Nuclear Chemistry Department, Hot Laboratories Center, Atomic Energy Authority, Inshas, Cairo (Egypt)

Description

N,N,N',N'-tetraoctyldiglycolamide (TODGA) and N,N,N',N'-tetrahexyldiglycolamide (THDGA) were synthesized and characterized in order to further evaluate them as extracting agents for Eu(III) and Co(II) from nitric and hydrochloric acid solutions. Analysis of the dependence of metal distribution ratio, DM, on concentrations of reagents indicated that the dominant extracted complexes are Eu(TODGA)3(NO3)3(HNO3), Eu(THDGA)3(NO3)3(HNO3), Eu(THDGA)3(NO3)3(HNO3)2 and Co(TODGA)Cl2(HCl). In addition, TODGA was evaluated for partitioning of Eu(III). It was concluded that, with acidity adjustment, Eu(III) can be separated from Zr(IV), Nb(V), Co(II) and Cs(I) in nitric and hydrochloric acids. (author)

Additional details

Publishing Information

Journal Title
Journal of Nuclear and Radiochemical Sciences
Journal Volume
13
Journal Issue
1
Journal Page Range
p. 1-7
ISSN
1345-4749

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
46135246
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
Descriptors DEI
AQUEOUS SOLUTIONS; COBALT; DISTRIBUTION FUNCTIONS; EUROPIUM; GLYCOLS; HEXANE; HEXYL RADICALS; HIGH-LEVEL RADIOACTIVE WASTES; HYDROCHLORIC ACID; NITRIC ACID; RADIOACTIVE WASTE DISPOSAL; SOLVENT EXTRACTION; SPENT FUELS
Descriptors DEC
ALCOHOLS; ALKANES; ALKYL RADICALS; CHLORINE COMPOUNDS; DISPERSIONS; ELEMENTS; ENERGY SOURCES; EXTRACTION; FUELS; FUNCTIONS; HALOGEN COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROCARBONS; HYDROGEN COMPOUNDS; HYDROXY COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; MANAGEMENT; MATERIALS; METALS; MIXTURES; NITROGEN COMPOUNDS; NUCLEAR FUELS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; RADICALS; RADIOACTIVE MATERIALS; RADIOACTIVE WASTE MANAGEMENT; RADIOACTIVE WASTES; RARE EARTHS; REACTOR MATERIALS; SEPARATION PROCESSES; SOLUTIONS; TRANSITION ELEMENTS; WASTE DISPOSAL; WASTE MANAGEMENT; WASTES

Optional Information

Notes
30 refs., 12 figs., 4 tabs.