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Proceedings in Radiochemistry

A Supplement to Radiochimica Acta

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Isotope fractionation of palladium in chemical exchange reaction

T. Fujii / F. Moynier / A. Agranier / E. Ponzevera / M. Abe
Published Online: 2011-09-08 | DOI: https://doi.org/10.1524/rcpr.2011.0060


Palladium isotopes were fractionated by the solvent extraction technique with a crown ether. After purification by ion-exchange chemistry, the isotopic ratios of 105Pd/106Pd, 108Pd/106Pd, and 110Pd/106Pd were determined by multiple-collector inductively coupled plasma mass spectrometry. Isotope fractionations between the two phases were found to be larger than 0.1‰. The isotope fractionation of the odd atomic mass isotope (105Pd) showed a deviation from that estimated from the even atomic mass isotopes (106Pd, 108Pd, and 110Pd). The mass-independent isotope fractionation found was attributable to the nuclear field shift effect. The quantum chemical calculations for the different Pd species supported the validity of the isotope fractionation factors obtained.

Keywords: Palladium; Isotope fractionation; Crown ether; Solvent extraction; Nuclear filed shift

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Published Online: 2011-09-08

Published in Print: 2011-09-01

Citation Information: Proceedings in Radiochemistry A Supplement to Radiochimica Acta, Volume 1, Issue 1, Pages 339–344, ISSN (Print) xxxx-xxxx, DOI: https://doi.org/10.1524/rcpr.2011.0060.

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