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Chromatographic fractionation of lithium isotope in aqueous solution using bifunctional ion-exchange resin
Vijay V. Nair,
Published in Taylor and Francis Inc.
2019
Abstract
We have examined the effect of bifunctional group in the same cross-linkage degree on the Li isotope fractionation in the cation exchange reaction in the aqueous solutions ranging in temperature from 278 to 333 K. For this purpose, the sulfonated pyridine-styrene-divinylbenzene resin with the cross-linkage degree of 50 wt%, embedded in porous silica beads was successfully synthesized by a typical polymerization method. The isotope separation coefficients (ε) per unit mass (ε/ΔMass) was 8.1 × 10 –4 at 298 K. Therefore, the effect of bifunctional group against the ε/ΔMass value has been discussed, compared with those of previous works. © 2019, © 2019 Taylor & Francis Group, LLC.
About the journal
JournalData powered by TypesetSeparation Science and Technology (Philadelphia)
PublisherData powered by TypesetTaylor and Francis Inc.
ISSN01496395
Open AccessNo
Concepts (18)
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    Chromatography
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    Ion exchange resins
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    Isotopes
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    Lithium
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    Positive ions
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    Pyridine
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    Silica
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    Styrene
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    Synthesis (chemical)
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    CATION EXCHANGE REACTIONS
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    CHROMATOGRAPHIC FRACTIONATION
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    CROSS LINKAGES
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    ISOTOPE SEPARATION
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    LITHIUM ISOTOPES
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    POLYMERIZATION METHOD
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    STYRENE-DIVINYLBENZENE
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    Thermodynamic parameter
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    Ion exchange