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Study of the interaction of Pu(IV) and Np(IV,V,VI) with Fe hydroxides to predict the behavior of actinides in environmental media
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September 25, 2009
A Mössbauer effect method was used to study the formation of mixed hydroxides in the alkaline coprecipitation of Pu(IV) or Np(IV) with Fe(III). The Mössbauer spectra of mixed 239Pu(IV)-Fe(III) and 237Np(IV)-Fe(III) hydroxide samples differ from that of pure α-FeO(OH) formed in aqueous basic solutions. Alkaline coprecipitation of Np(V) or Np(VI) with Fe(III) hydroxides does not produce the mixed hydroxides shown by Pu(IV) or Np(IV) with Fe(III). The general Mössbauer spectral parameters of the Np(V),(VI)-Fe(III) hydroxides are similar to those of pure α-FeO(OH).
Published Online: 2009-9-25
Published in Print: 2001-2-1
© 2015 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München
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Articles in the same Issue
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- Study of the interaction of Pu(IV) and Np(IV,V,VI) with Fe hydroxides to predict the behavior of actinides in environmental media
- Multitracer studies on the effects of model acid rain on the adsorption of trace elements on soils
- Absorption of iodine from aqueous solutions on nuclear reactors alloys
- Pentavalent rhenium-188 dimercaptosuccinic acid: a new kit formulation and its initial evaluation in mice
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