Behavior of americium in aqueous carbonate systems
The solubilities of crystalline Am(OH)/sub 3/ and AmOHCO/sub 3/ were measured at 25/sup 0/C in aqueous solutions of 0.1 M NaClO/sub 4/ by determination of the solution concentrations of Am. Prior to use in the measurements, the solid materials were characterized by their x-ray powder diffraction patterns. The solubility product quotients were calculated from the experimental data. The hydrolysis quotients of Am/sup 3 +/ were also estimated from the hydroxide solubility data. Using the thermodynamic data derived from these experiments and the recently reported formation constants for the Am/sup 3 +/ carbonate complexes, the solid phases and concentrations of solution species of americium in several aqueous carbonate systems were calculated using the computer code MINEQL. 20 references, 1 figure, 1 table.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 5510205
- Report Number(s):
- LBL-16690; CONF-831174-51; ON: DE84004882
- Country of Publication:
- United States
- Language:
- English
Similar Records
Behavior of americium in aqueous carbonate systems
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Journal Article
·
Sat Dec 31 23:00:00 EST 1983
· Mater. Res. Soc. Symp. Proc.; (United States)
·
OSTI ID:6712287
Solubility of AmOHCO{sub 3} in aqueous solution under atmospheric conditions
Technical Report
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Mon Nov 30 23:00:00 EST 1987
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Solubility of AmOHCO sub 3 in aqueous solution under atmospheric conditions
Technical Report
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Mon Nov 30 23:00:00 EST 1987
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ACTINIDE COMPOUNDS
ALKALI METAL COMPOUNDS
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AMERICIUM HYDROXIDES
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CARBONATES
CHEMICAL REACTIONS
CHLORINE COMPOUNDS
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EXPERIMENTAL DATA
HALOGEN COMPOUNDS
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HYDROLYSIS
HYDROXIDES
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400702* -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPOUNDS
ALKALI METAL COMPOUNDS
AMERICIUM CARBONATES
AMERICIUM COMPOUNDS
AMERICIUM HYDROXIDES
CARBON COMPOUNDS
CARBONATES
CHEMICAL REACTIONS
CHLORINE COMPOUNDS
DATA
DECOMPOSITION
EXPERIMENTAL DATA
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROLYSIS
HYDROXIDES
HYDROXY COMPOUNDS
INFORMATION
LYSIS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PERCHLORATES
SODIUM COMPOUNDS
SODIUM PERCHLORATES
SOLUBILITY
SOLVOLYSIS
TRANSPLUTONIUM COMPOUNDS
TRANSURANIUM COMPOUNDS