Elution behavior of metal ions with mixed glycine-nitric acid eluents in Dowex 50W-X8 column: separation of Th(IV), Ce(IV), Bi(III), Fe(III), and Al(III)
Journal Article
·
· Sep. Sci. Technol.; (United States)
Distribution coefficients (K) determined by the batch technique in acidic glycine media using Dowex 50W-X8 cation exchanger (H/sup +/-form, 100-200 mesh size) revealed that this medium can effectively be employed to separate a number of tetravalent and trivalent metal ions from bivalent metal ions. In fixed glycine (0.40 M) and varying concentration of nitric acid (0.10 to 1.0 M), a number of mixtures containing two or three metal ions were resolved on columns using about 8 g of exchanger. In 0.40 M glycine-1.0 M HNO/sub 3/ medium, Th(IV)/Ce(IV) were separated from Al(III)/Fe(III)/Bi(III)/Co(II)/Ni(II)/Cu(II)/Zn(II)/Cd(II)/Hg(II)/Pb(II)/Ag(I) and also Al(III)/Bi(III) from a number of divalent metal ions. In 0.40 M glycine-0.50 M HNO/sub 3/ medium, the resolution of following ternary mixtures were also achieved: Th(IV)/Ce(IV)-Al(III)/Bi(III)-Fe(III)/Co(II)/Ni(II)/Cu(II)/Zn(II)/Cd(II)/Hg(II)/Pb(II)/Ag(I). Th(IV)/Al(III)/Fe(III)/Bi(III) were also separated from other divalent metal ions in 1.60 M glycine-0.50 M HNO/sub 3/ medium. The values of K, elution characteristics of metal ions, elution curves, and the results of the resolution of a number of mixtures of metal ions along with standard deviations are reported.
- Research Organization:
- Univ. of Allahabad, India
- OSTI ID:
- 7084755
- Journal Information:
- Sep. Sci. Technol.; (United States), Journal Name: Sep. Sci. Technol.; (United States) Vol. 17:5; ISSN SSTED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ACTINIDES
ALUMINIUM
AMINO ACIDS
BISMUTH
CARBOXYLIC ACIDS
CERIUM
CHROMATOGRAPHY
CONCENTRATION RATIO
DATA
DISPERSIONS
DISTRIBUTION
ELEMENTS
ELUTRIATION
EXPERIMENTAL DATA
GLYCINE
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
ION EXCHANGE CHROMATOGRAPHY
ION EXCHANGE MATERIALS
IRON
MATERIALS
MEDIUM TEMPERATURE
METALS
MIXTURES
NITRIC ACID
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC ION EXCHANGERS
PH VALUE
RARE EARTHS
SEPARATION PROCESSES
THORIUM
TRANSITION ELEMENTS
400105* -- Separation Procedures
ACTINIDES
ALUMINIUM
AMINO ACIDS
BISMUTH
CARBOXYLIC ACIDS
CERIUM
CHROMATOGRAPHY
CONCENTRATION RATIO
DATA
DISPERSIONS
DISTRIBUTION
ELEMENTS
ELUTRIATION
EXPERIMENTAL DATA
GLYCINE
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
ION EXCHANGE CHROMATOGRAPHY
ION EXCHANGE MATERIALS
IRON
MATERIALS
MEDIUM TEMPERATURE
METALS
MIXTURES
NITRIC ACID
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC ION EXCHANGERS
PH VALUE
RARE EARTHS
SEPARATION PROCESSES
THORIUM
TRANSITION ELEMENTS