Solubility of tributyl phosphate and its degradation products in concentrated uranyl nitrate solutions and of uranyl nitrate in tributyl phosphate at elevated temperatures

Autor:	V. N. Usachev, G. S. Markov
Rok vydání:	2004
Předmět:	Boiling point chemistry.chemical_compound Aqueous solution chemistry Uranyl nitrate Phase (matter) Inorganic chemistry Degradation (geology) Tributyl phosphate Physical and Theoretical Chemistry Solubility Uranyl Nuclear chemistry
Zdroj:	Radiochemistry. 46:471-474
ISSN:	1608-3288 1066-3622
DOI:	10.1007/s11137-005-0012-y
Popis:	Solubility of UO2(NO3)2, TBP, and its degradation products in the organic and aqueous phases of the system TPB-H2O-HNO3-UO2(NO3)2 at 25–128°C over the uranyl nitrate concentration range 200–1200 g 1−1 is studied. The solubility of TBP and its degradation products in uranyl nitrate hexahydrate melt decreases in the order H2MBP > HDBP > TBP > H3PO4. At the boiling point of the melt, their solubility ranges from 100 to 0.5 g l−1. The solubility of uranyl nitrate in the TBP phase under the same conditions is caused by formation of complexes with a composition close to that of the monosolvate UO2(NO3) 2⋅ TBP.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::1c204711f0af519da3937169956b8912 https://doi.org/10.1007/s11137-005-0012-y Zobrazit plný text záznamu Plný text ve formátu PDF