Np(v) complexation with propionate in 0.5–4 M NaCl solutions at 20

Np(v) complexation with propionate in 0.5–4 M NaCl solutions at 20–85 °C

Published:2015 Issue:8 Volume:44 Page:3837-3844
ISSN:1477-9226
Container-title:Dalton Transactions
language:en
Short-container-title:Dalton Trans.

Author:

Vasiliev Aleksandr N.¹²³⁴⁵,Banik Nidhu L.¹²³⁴,Marsac Rémi¹²³⁴,Froehlich Daniel R.¹²³⁴⁶,Rothe Jörg¹²³⁴,Kalmykov Stepan N.⁵⁷⁸⁹¹⁰,Marquardt Christian M.¹²³⁴

Affiliation:

1. Karlsruher Institut für Technologie (KIT)

2. Institut für Nukleare Entsorgung

3. 76021 Karlsruhe

4. Germany

5. Radiochemistry Division

6. Ruprecht-Karls-Universität Heidelberg

7. Chemistry Department

8. Lomonosov Moscow State University

9. Moscow 119992

10. Russia

Abstract

The present study shows that the stability constant for the formation of the 1 : 1 NpO₂⁺-propionate complex, with log β₀ (25 °C) = 1.26 ± 0.03, increases with both the ionic strength (0.5 < NaCl < 4.37 m) and temperature (20 < T < 85 °C).

Publisher

Royal Society of Chemistry (RSC)

Subject

Inorganic Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2015/DT/C4DT03688C

Reference35 articles.

1. J. I. Kim , in Handbook on the Physics and Chemistry of the Actinides, ed. A. J. Freeman, Elsevier Science Publishers, B. V., Amsterdam, 1986, p. 413

2. ONDRAF/NIRAS , SAFIR 2: Safety assessment and feasibility interim report, NIROND-2001–06 E,ONDRAF/NIRAS, Brussels/Belgium, 2001

3. OECD , Safety of geological disposal of high-level and longlived radioactive waste in France – An international peer review of the “Dossier 2005 Argile” concerning disposal in the Callovo-Oxfordian formation, NEA No. 6178,OECD Organization for economic co-operation and development, 2006

4. P. Hoth , H.Wirth, K.Reinhold, V.Bräuer, P.Krull and H.Feldrappe, Endlagerung radioaktiver Abfälle in tiefen geologischen Formationen Deutschlands – Untersuchung und Bewertung von Tongesteinsformationen, BGR Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover/Germany, 2007

5. Mineral–Water Interface Reactions of Actinides

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