Anion exchange separation of thorium from uranium

Autor:	F. Tera, J. Korkisch
Rok vydání:	1961
Předmět:	Ion exchange Hydrochloride Organic Chemistry Radiochemistry Inorganic chemistry Thorium chemistry.chemical_element Hydrochloric acid General Medicine Uranium Biochemistry Chloride Analytical Chemistry chemistry.chemical_compound Adsorption chemistry medicine Methanol medicine.drug
Zdroj:	Journal of Chromatography A. 6:530-534
ISSN:	0021-9673
DOI:	10.1016/s0021-9673(61)80308-7
Popis:	Summary The present work was carried out in order to develop a method for separating thorium and uranium. Equilibrium studies have shown that the adsorption of both tetravalent thorium and hexavalent uranium as negatively charged chloride complexes on the strongly basic anion exchanger Dowex 1 from solutions containing butanol and hydrochloride acid is very high, so that these two radio elements can be adsorbed on the resin simultaneously. Separation is possible due to the fact that thorium can be readily eluted with a methanol-hydrochloric acid mixture, whereas uranium is still very strongly retained on the resin under the same conditions. After the removal of thorium the uranium is eluted with 1 N hydrochloric acid.
Databáze:	OpenAIRE
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