Published March 1983
| Version v1
Journal article
Kinetic study of the oxidation of uranium (III) by europium (III) in acidic aqueous solutions
- 1. Tokyo Inst. of Tech. (Japan). Research Lab. of Nuclear Reactor
Description
The reaction rates of the oxidation of U(III) by Eu(III) were measured in aqueous HClO4-NaClO4 solutions at the ionic strength of 2.0 and the temperature range of 10-25 0C. The rate law was expressed by -d[U(III)]/dt = (k0 + ksub(-1) [H+] -1) [U(III)] [Eu(III)]. The activation parameters of k0 and k-1-paths are ΔHsub(0)sup(not equal) = 7.92 +- 0.32kcalmol-1, ΔSsub(0)sup(not equal) = -40.5 +- 1.1 cal K-1 mol-1, ΔHsub(-1)sup(not equal) = 7.82 +- 0.24 kcal mol-1 and ΔSsub(-1)sup(not equal) = -44.8 +- 0.8 calK-1 mol-1, respectively. The results obtained are compared with those reported for the oxidations of U(III) by other metal ions. (author)
Additional details
Publishing Information
- Journal Title
- Bull. Res. Lab. Nucl. React. (Tokyo Inst. Technol.)
- Journal Volume
- 8
- Series
- Bull. Res. Lab. Nucl. React. (Tokyo Inst. Technol.).
- Journal Page Range
- 11-17
- ISSN
- 0387-6144
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 15058195
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Numerical Data, Progress Report
- Descriptors DEI
- ACTIVATION ENERGY; AQUEOUS SOLUTIONS; CHEMICAL REACTION KINETICS; EUROPIUM COMPOUNDS; EXPERIMENTAL DATA; OXIDATION; PERCHLORIC ACID; PH VALUE; SODIUM PERCHLORATES; TEMPERATURE DEPENDENCE; URANIUM COMPOUNDS
- Descriptors DEC
- ACTINIDE COMPOUNDS; ALKALI METAL COMPOUNDS; CHEMICAL REACTIONS; CHLORINE COMPOUNDS; DATA; DISPERSIONS; ENERGY; HALOGEN COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; INFORMATION; INORGANIC ACIDS; KINETICS; MIXTURES; NUMERICAL DATA; OXYGEN COMPOUNDS; PERCHLORATES; RARE EARTH COMPOUNDS; REACTION KINETICS; SODIUM COMPOUNDS; SOLUTIONS