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Separation Science and Technology Volume 47, 2012 - Issue 9
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ION-EXCHANGE (MATERIALS AND METHODS)

The Effect of Foreign Ions on Separation of Hafnium from Zirconium on Diphonix® Resin

Marek Smolik Department of Chemistry, Inorganic Technology and Fuels, Faculty of Chemistry, Silesian University of Technology, Gliwice, PolandCorrespondence[email protected]
,
Zbigniew Hubicki Department of Inorganic Chemistry, Faculty of Chemistry, Marie Curie-Skłodowska University, Lublin, Poland
,
Agata Jakóbik-Kolon Department of Chemistry, Inorganic Technology and Fuels, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
,
Teofil Korolewicz Department of Chemistry, Inorganic Technology and Fuels, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
&
Łukasz Siepietowski Department of Chemistry, Inorganic Technology and Fuels, Faculty of Chemistry, Silesian University of Technology, Gliwice, Poland
Pages 1341-1344 | Received 15 Oct 2011, Accepted 20 Feb 2012, Published online: 15 Jun 2012
 
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Abstract

The weight distribution coefficients (λM) of the most often occurring in zirconium salts ions (M(II), M(III) and M(IV)) have been determined in established earlier optimal conditions for separation of zirconium from hafnium by means of Diphonix® resin. Their values range from 21 (λZn(II)) to 1830 (λTi(IV)) and depend on the charge of M ion as well as on its radius. For ions of the highest λM (Ti(IV) and Fe(III)) their influence on hafnium – zirconium separation has been studied. Ti(IV) ions at concentration of 1% (in relation to Zr) has been found to noticeably affect separation of hafnium from zirconium by means of Diphonix® resin.

ACKNOWLEDGEMENTS

This work was financed by the Polish Ministry of Science and Higher Education grant No. N N209 231838.

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