Separation of lanthanum(III) and neodymium(III) by extraction with tributyl phosphate in the presence of a solid phase

Journal Article · Wed Dec 31 23:00:00 EST 1986 · Sov. Radiochem. (Engl. Transl.); (United States)

OSTI ID:7200982

Korotkevich, I B; Kolesnikov, A A; Bomshtein, V E; Shikhaleeva, N N

Lanthanum(III) and neodymium(III) extraction from nitric acid solutions with tributyl phosphate in the presence of a solid phase has been studied. The coefficient of neodymium nitrate distribution ..cap alpha.. in presence of solid phase has been found to increase with decrease of its concentration in the original solution and increase of lanthanum nitrate concentration. Separation is most pronounced in the neodymium nitrate microregion. A procedure has been proposed for quantitative neodymium extraction form lanthanum nitrate solutions with a neodymium and lanthanum separation coefficient higher than 25.

• OSTI ID: 7200982
• Journal Information: Sov. Radiochem. (Engl. Transl.); (United States), Journal Name: Sov. Radiochem. (Engl. Transl.); (United States) Vol. 29:3; ISSN SVRDA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360602 -- Other Materials-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400101 -- Activation
Nuclear Reaction
Radiometric & Radiochemical Procedures
400201* -- Chemical & Physicochemical Properties
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BUTYL PHOSPHATES
CHEMICAL ANALYSIS
CRYSTALLIZATION
DAYS LIVING RADIOISOTOPES
DIAGRAMS
DISTRIBUTION
ESTERS
EVEN-ODD NUCLEI
EXTRACTION
HYDROGEN COMPOUNDS
INORGANIC ACIDS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOTOPES
LABELLED COMPOUNDS
LANTHANUM COMPOUNDS
LANTHANUM NITRATES
MASS DISTRIBUTION
NEODYMIUM 147
NEODYMIUM COMPOUNDS
NEODYMIUM ISOTOPES
NEODYMIUM NITRATES
NITRATES
NITRIC ACID
NITROGEN COMPOUNDS
NUCLEI
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
PHOSPHORIC ACID ESTERS
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RADIOCHEMICAL ANALYSIS
RADIOISOTOPES
RARE EARTH COMPOUNDS
RARE EARTH NUCLEI
SEPARATION PROCESSES
SOLVENT EXTRACTION
SOLVENT PROPERTIES
SPATIAL DISTRIBUTION
TBP
VALENCE