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The enrichment of magnesium isotopes by AM15C5 bonded ion exchanger
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D. W. Kim
Published/Copyright:
September 25, 2009
Summary
Magnesium isotope enrichment was investigated by chemical ion exchange with a synthesized 2′-aminomethyl-15-crown-5(AM15C5) bonded Merrifield peptide resin using elution chromatography. The capacity of the novel crown ion exchanger was found to be 2.3 meq/g dry resin. The heavier isotopes of magnesium were enriched in the solution phase, while the lighter isotopes were enriched in the resin phase. The separation factor was determined according to the method of Glueckauf from the elution curve and isotopic assays. The separation factors of 24Mg2+–25Mg2+, 24Mg2+–26Mg2+, and 25Mg2+–26Mg2+ isotope pair fractionations were 1.013, 1.024, and 1.012, respectively.
Received: 2001-6-4
Accepted: 2001-6-8
Published Online: 2009-9-25
Published in Print: 2002-1-1
© Oldenbourg Wissenschaftsverlag, München
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Articles in the same Issue
- Cross section data for the production of the positron emitting niobium isotope 90Nb via the 90Zr(p, n)-reaction
- Transuranic elements determination in spanish NPP-wastes on the basis of gross alpha activity
- A comparative evaluation of synergistic extraction behaviour of hexavalent uranium with thenoyl tri-fluoro-acetone (HTTA) and 1-phenyl, 3-methyl, 4-benzoyl pyrazolone-5 (HPMBP) using mono-functional and bi-functional neutral donors
- Transport of Th(IV) and U(VI) through barium silico-phosphate composite membrane using electric field
- Evaluation of the complexation behavior between humic acid and UO22+ with fluorescence spectroscopy and its mixture analysis
- Investigation of sorption of Tb(III) by 2-thenoyltrifluoroacetone supported onto polyurethane foam
- Selective carrier-mediated cesium transport through polymer inclusion membranes by calix[4]arene-crown-6 carriers from complex aqueous mixtures
- Adsorption studies of zinc ions on barium titanate from aqueous solution
- The enrichment of magnesium isotopes by AM15C5 bonded ion exchanger
