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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 5
BKCSDE 22(5)
May 20, 2001 

Chromatographic Enrichment of Lithium Isotopes by Hydrous Manganese(IV) Oxide
Dong Won Kim
Lithium isotope separation, MnO2 exchanger, Capacity, Isotope effects, Elution chromatography.
Separation of lithium isotopes was investigated by chemical ion exchange with a hydrous manganese(IV) oxide ion exchanger using an elution chromatography. The capacity of manganese(IV) oxide ion exchanger was 0.5 meq/g. One molar CH3COONa solution was used as an eluent. The heavier isotope of lithium was enriched in the solution phase, while the lighter isotope was enriched in the ion exchanger phase. The separation factor was calculated according to the method of Glueckauf from the elution curve and isotopic assays. The single stage separation factor of lithium isotope pair fractionation was 1.021.
503 - 506
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