Zinc Isotope Separation by Phenol Formaldehyde Type 15-Crown-5 Resin in Organic Solvents

DOI DOI Web Site 被引用文献2件 オープンアクセス

書誌事項

公開日
2006
DOI
  • 10.3327/jnst.43.411
  • 10.1080/18811248.2006.9711113
公開者
Informa UK Limited

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説明

Zinc adsorption and isotope separation by newly synthesized benzo-15-crown-5 resin was evaluated using various solvents. This resin was synthesized in the pores of silica beads for chromatography use. Larger adsorption of zinc was obtained in the case of acetic acid derivatives than in protic solvent such as water and alcohol by the batch treatment. The displacement chromatography was conducted to study zinc isotope separation. The isotope separation coefficient e=0.32×10 -3 , 0.69×10 -3 and HETP=0.2268, 0.3968 cm were determined for isotopic pair of 68 Zn/ 64 Zn at 25°C by five meters migration experiment using methyl isobutyl ketone and acetic acid, respectively. The improvement of enrichment ratio is very small between 1 and 5 m migration. Hydrogen chloride and/or water obviously reduce zinc adsorption to this resin.

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