Pu(iii) and Cm(iii) in the presence of EDTA: aqueous speciation, redox behavior, and the impact of Ca(ii)

Author:

DiBlasi Nicole A.12ORCID,Tasi Agost G.2ORCID,Trumm Michael2ORCID,Schnurr Andreas2,Gaona Xavier2ORCID,Fellhauer David2,Dardenne Kathy2ORCID,Rothe Jörg2,Reed Donald T.3,Hixon Amy E.1ORCID,Altmaier Marcus2

Affiliation:

1. Department of Civil & Environmental Engineering & Earth Sciences, University of Notre Dame, 301 Stinson-Remick, Notre Dame, IN 46556, USA

2. Karlsruhe Institute of Technology, Institute for Nuclear Waste Disposal, P.O. Box 3640, Karlsruhe, 76021, Germany

3. Los Alamos National Laboratory, 1400 University Dr., Carlsbad, NM 88220, USA

Abstract

Combined advanced spectroscopy and solubility studies provide evidence for the formation of novel calcium-containing and hydrolyzed (Cm,Pu)(iii)–EDTA complex(es).

Funder

U.S. Department of Energy

Karlsruhe Institute of Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Reference95 articles.

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3. Long-term cement corrosion in chloride-rich solutions relevant to radioactive waste disposal in rock salt – Leaching experiments and thermodynamic simulations

4. Appendix SOTERM-2019 Actinide Chemistry Source Term , United States Department of Energy , 2019 , https://wipp.energy.gov/library/CRA/CRA%202019/index.html

5. NEA , Confidence in the Long-term Safety of Deep Geological Repositories: Its Development and Communication , OECD/NEA , Paris, France , 1999

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