Mass spectrometric characterization and quantification of Pu(VI) hydrolysis products

Michael Steppert; Clemens Walther

doi:10.1524/ract.2013.2033

Published by De Gruyter (O) April 22, 2013

Mass spectrometric characterization and quantification of Pu(VI) hydrolysis products

Michael Steppert and Clemens Walther

From the journal Radiochimica Acta

https://doi.org/10.1524/ract.2013.2033

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Abstract

In the present work the first direct measurement of hydrolysis products of Pu(VI) was achieved by means of nano-electrospray ionization time-of-flight mass-spectrometry. The results indicate that monomeric PuO₂(OH)⁺ and dimeric (PuO₂)₂(OH)₂²⁺ species are present in solution. A trimeric species does not appear within the detection limit of the experiment, in contrast to U(VI) hydrolysis. The relative abundances of the Pu(VI) hydrolysis species in the ESI mass spectra are in good agreement with the published formation constants.

Keywords: PU(VI); Hydrolysis; Electrospray ionization

^* Correspondence address: Karlsruher Institut für Technologie (KIT), Institute for Nuclear Waste Disposal, Hermann-von-Helmholz Platz 1, 76344 Eggenstein-Leopoldshafen, Deutschland, steppert@irs.uni-hannover.de

Published Online: 2013-04-22

Published in Print: 2013-05

Mass spectrometric characterization and quantification of Pu(VI) hydrolysis products

Abstract

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