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Behavior of transplutonium elements on ion-exchange materials in mixed aqueous-organic solutions of mineral acids

Journal Article · · Sov. Radiochem. (Engl. Transl.); (United States)
OSTI ID:6450469
; ;
Systematic studies are reported on the behavior of transplutonium elements (TPE) on cation-exchange and anion-exchange materials in mixed aqueous-organic solutions of mineral acids (HClO/sub 4/, HCl, HNO/sub 3/, H/sub 2/SO/sub 4/, H/sub 3/PO/sub 4/) as affected by solution composition, nature of acid, and nature of organic solvent. With all these acids, replacing most of the water by alcohol increases the TPE uptake on the ion exchangers, and the effect occurs for the cation exchangers at lower contents of the organic component. Optimum conditions have been identified for concentrating and separating TPE from numerous elements. The most effective system consists of anion exchanger with HNO/sub 3/ and alcohol.
OSTI ID:
6450469
Journal Information:
Sov. Radiochem. (Engl. Transl.); (United States), Journal Name: Sov. Radiochem. (Engl. Transl.); (United States) Vol. 28:4; ISSN SVRDA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ACETIC ACID ESTERS
ACETONITRILE
ACTINIDES
ALCOHOLS
AMERICIUM
AMIDES
AQUEOUS SOLUTIONS
CARBOXYLIC ACID ESTERS
COMPARATIVE EVALUATIONS
CURIUM
DIOXANE
DISPERSIONS
DISTRIBUTION FUNCTIONS
DMSO
ELEMENTS
ESTERS
EXTRACTION
FORMAMIDE
FUNCTIONS
FURANS
HETEROCYCLIC COMPOUNDS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INORGANIC ACIDS
ION EXCHANGE
ION EXCHANGE MATERIALS
KETONES
MATERIALS
MATERIALS TESTING
METALS
MIXTURES
NITRIC ACID
NITRILES
OPTIMIZATION
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC SOLVENTS
ORGANIC SULFUR COMPOUNDS
PARTITION
PERCHLORIC ACID
PHOSPHORIC ACID
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
SOLVENT PROPERTIES
SOLVENTS
SORPTIVE PROPERTIES
SULFOXIDES
SULFURIC ACID
SURFACE PROPERTIES
TESTING
TETRAHYDROFURAN
TRANSPLUTONIUM ELEMENTS
TRANSURANIUM ELEMENTS