Solubility and hydrolysis of U(VI) in 0.5 mol/kg NaCl solutions at T = 22 and 80 °C

Solubility and hydrolysis of U(VI) in 0.5 mol/kg NaCl solutions at T = 22 and 80 °C J. Chem. Thermodynamics 120 (2018) 45–53 Contents lists available at ScienceDirect J. Chem. Thermodynamics journal homepage: www.elsevier.com/locate/jct Solubility and hydrolysis of U(VI) in 0.5 mol/kg NaCl solutions at T = 22 and 80 C a,⇑ a,⇑ b b a Francesco Endrizzi , Xavier Gaona , Maria Marques Fernandes , Bart Baeyens , Marcus Altmaier Karlsruhe Institute of Technology, Institute for Nuclear Waste Disposal, P.O. Box 3640, 76021 Karlsruhe, Germany Paul Scherrer Institute, Laboratory for Waste Management, Villigen PSI, CH-5232, Switzerland article i nfo abstract Article history: In this study, the solubility and hydrolysis of U(VI) was investigated at elevated temperature. Received 31 May 2017 Experiments were performed in solutions of NaCl 0.51 mol/kg of water in the pH range 4–13.4 (with Received in revised form 9 January 2018 + pH = –log[H ]) at T = 22 ± 3 and 80 ± 5 C under N /Ar atmosphere. Two solid phases were used as m 2 Accepted 11 January 2018 starting U(VI) materials: UO 2H O(cr) equilibrated in solutions with 4  pH  5 and Na U O H O(cr) 3 2 m 2 2 7 2 Available online 13 January 2018 (a synthetic clarkeite-like phase) equilibrated in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Chemical Thermodynamics Elsevier

Solubility and hydrolysis of U(VI) in 0.5 mol/kg NaCl solutions at T = 22 and 80 °C

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0021-9614
eISSN
1096-3626
D.O.I.
10.1016/j.jct.2018.01.006
Publisher site
See Article on Publisher Site

Abstract

J. Chem. Thermodynamics 120 (2018) 45–53 Contents lists available at ScienceDirect J. Chem. Thermodynamics journal homepage: www.elsevier.com/locate/jct Solubility and hydrolysis of U(VI) in 0.5 mol/kg NaCl solutions at T = 22 and 80 C a,⇑ a,⇑ b b a Francesco Endrizzi , Xavier Gaona , Maria Marques Fernandes , Bart Baeyens , Marcus Altmaier Karlsruhe Institute of Technology, Institute for Nuclear Waste Disposal, P.O. Box 3640, 76021 Karlsruhe, Germany Paul Scherrer Institute, Laboratory for Waste Management, Villigen PSI, CH-5232, Switzerland article i nfo abstract Article history: In this study, the solubility and hydrolysis of U(VI) was investigated at elevated temperature. Received 31 May 2017 Experiments were performed in solutions of NaCl 0.51 mol/kg of water in the pH range 4–13.4 (with Received in revised form 9 January 2018 + pH = –log[H ]) at T = 22 ± 3 and 80 ± 5 C under N /Ar atmosphere. Two solid phases were used as m 2 Accepted 11 January 2018 starting U(VI) materials: UO 2H O(cr) equilibrated in solutions with 4  pH  5 and Na U O H O(cr) 3 2 m 2 2 7 2 Available online 13 January 2018 (a synthetic clarkeite-like phase) equilibrated in

Journal

The Journal of Chemical ThermodynamicsElsevier

Published: May 1, 2018

References

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