MUTUAL INFLUENCE OF TRIVALENT RARE-EARTH-METAL IONS AT THEIR EXTRACTION FROM NITRATE SOLUTIONS BY MIXTURES OF TRIBUTYL-PHOSPHATE AND DIISOOCTYL METHYLPHOSPHONATE

Authors
PYARTMAN AK PUZIKOV EA KOPYRIN AA
Citation
Ak. Pyartman et al., MUTUAL INFLUENCE OF TRIVALENT RARE-EARTH-METAL IONS AT THEIR EXTRACTION FROM NITRATE SOLUTIONS BY MIXTURES OF TRIBUTYL-PHOSPHATE AND DIISOOCTYL METHYLPHOSPHONATE, Radiochemistry, 37(1), 1995, pp. 50-54
Citations number
8
Categorie Soggetti
Chemistry Analytical","Chemistry Inorganic & Nuclear
Journal title
Radiochemistry → ACNP
ISSN journal
10663622
Volume
37
Issue
1
Year of publication
1995
Pages
50 - 54
Database
ISI
SICI code
1066-3622(1995)37:1<50:MIOTRI>2.0.ZU;2-N
Abstract
Extraction of yttrium-group lanthanide(III) and yttrium nitrates from multicomponent solutions by mixtures of tri-n-butyl phosphate and diis ooctyl methylphosphonate has been examined at 298.15 K and pH 2. A phy sicochemical and mathematical model has been developed to describe dis tribution and mutual influence of rare-earth metal ions in multicompon ent solutions as influenced by the total concentration of rare-earth m etals in aqueous phase and compositions of the concentrate and of orga nic phase.