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Alpha radiolysis of tributyl phosphate: effect of diluents

Technical Report ·
DOI:https://doi.org/10.2172/7300558· OSTI ID:7300558
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Alpha radiolysis of solutions of tributyl phosphate (TBP) in several different types of diluents was studied. Yields of dibutyl phosphoric acid (as measured by plutonium-IV retention) and chloride were measured up to a dose of approximately 10 watt-hours per liter. Plutonium dissolved in the organic phase was the radiation source. The yields of dibutyl phosphoric acid (HDBP) and the Cl/sup -/ were the highest for carbon tetrachloride. The aromatic diluents give the best protection for TBP against radiolysis and also yield less Cl/sup -/. The low yield of HDBP in aromatic diluents can be explained by assuming HDBP formation by dissociation of the parent ion (TBP/sup +/). Several radiation-resistant diluents are suggested as alternatives to CCL/sub 4/ and their Pu(IV) extraction properties are presented.

Research Organization:
Atlantic Richfield Hanford Co., Richland, WA (USA)
OSTI ID:
7300558
Report Number(s):
ARH-ST-153
Country of Publication:
United States
Language:
English

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400600* -- Radiation Chemistry
ALPHA BEAMS
AROMATICS
BEAMS
BROMINATED AROMATIC HYDROCARBONS
BUTYL PHOSPHATES
CARBON TETRACHLORIDE
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTIONS
CHEMISTRY
CHLORIDES
CHLORINATED ALIPHATIC HYDROCARBONS
CHLORINATED AROMATIC HYDROCARBONS
CHLORINE COMPOUNDS
DBP
DECOMPOSITION
ESTERS
EXTRACTION
FLUORINATED AROMATIC HYDROCARBONS
G VALUE
HALIDES
HALOGEN COMPOUNDS
HALOGENATED ALIPHATIC HYDROCARBONS
HALOGENATED AROMATIC HYDROCARBONS
HELIUM 4 BEAMS
ION BEAMS
ORGANIC BROMINE COMPOUNDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
PHOSPHORIC ACID ESTERS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIOLYSIS
SEPARATION PROCESSES
SOLVENT EXTRACTION
TBP