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AbstractAbstract
[en] The solubility of Pu(IV) hydrous oxide, PuO2.xH2O, in air-equilibrated, synthetic, Hanford high-level waste (HLW) solutions was determined as a function of NaOH, NaAl(OH)4, NaNO3, NaNO2, and Na2CO3 concentrations. The solubility was found to increase with the square of the NaOH chemical increasing NaOH activity. Aluminate increased solubility by forming a 1:1 complex with the dissolved plutonium species, while carbonate increased solubility by forming a 1:2 plutonium-carbonate complex. Spectral, electrochemical, and solubility evidence points to the existence of hydroxide-complexed Pu(V) dissolved species
Secondary Subject
Source
1985; 48 p; 189. national meeting of the American Chemical Society; Miami, FL (USA); 28 Apr - 3 May 1985; CONF-850417--31; Available from NTIS, PC A03/MF A01 as DE86015430
Record Type
Report
Literature Type
Conference
Report Number
Country of publication
ACTINIDE COMPOUNDS, ALKALI METAL COMPOUNDS, ALUMINIUM COMPOUNDS, CARBON COMPOUNDS, CARBONATES, CHALCOGENIDES, HYDROGEN COMPOUNDS, HYDROXIDES, MATERIALS, NITRATES, NITROGEN COMPOUNDS, OXIDES, OXYGEN COMPOUNDS, PLUTONIUM COMPOUNDS, PLUTONIUM OXIDES, RADIOACTIVE MATERIALS, RADIOACTIVE WASTES, SODIUM COMPOUNDS, TRANSURANIUM COMPOUNDS, WASTES
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