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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Separation and Purification for the Determination of Zirconium and Its Isotopes in PWR Spent Nuclear Fuels

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.6, pp.421-428
Kim, Jung Suk
Jeon, Young Shin
Park, Yong Joon
Lee, Chang Heon
Kim, Won Ho
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Abstract

A method has been studied to separate Zr from various fission products in PWR spent nuclear fuels. A solution containing metal ions in place of radioactive fission products was prepared. The Zr was separated with 5 M HCl followed by eluting metal ions such as Ce, Nd, Cs, Rb, Ba, Sr, Ru, Rh, Pd, Ag and Cd with 12 M HCl on Dowex <TEX>$1{\times}8$</TEX>, anion exchange resin. The recovery of Zr was more than 95%. The purification of Zr was carried out on anion exchange resin, Dowex <TEX>$1{\times}8$</TEX>, in 5 M HCl in order to remove Mo causing isobaric effect during mass spectrometry. The method was applied to separate Zr from a spent PWR fuel. From mass spectrometric measurement, the purified Zr portion was not showed the isobars from other elements such as Mo and Sr.

keywords
zirconium separation, anion exchange chromatography


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