THE EXTRACTION OF AMERIC1UM (III) BY MIXTURES OF TRIBUTYLPHOSPHATE WITH DIBUTYL-N,N-DIETHYLCARBAMOYL- PHOSPHONATE AND -METHYLPHOSPHONATE (DBDECP AND DBDECMP)

doi:10.1080/07366298308918396

Paper

THE EXTRACTION OF AMERIC1UM (III) BY MIXTURES OF TRIBUTYLPHOSPHATE WITH DIBUTYL-N,N-DIETHYLCARBAMOYL- PHOSPHONATE AND -METHYLPHOSPHONATE (DBDECP AND DBDECMP)

Published 1983 · Anthony C. Muscatello, J. Navratil, Milton E. Killion

Solvent Extraction and Ion Exchange

Q2 SJR score

13

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0

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Abstract

ABSTRACT The chemistry of the mixed solvent extractants, dibutyl-N, N-diethylcarbamoylmethylphosphonate (DBDECMP)-tri -£-butyl phosphate (TBP), using carbon tetrachloride diluent, was studied for extracting americium (III) from nitric acid at various concentrations and temperatures. Synergistic extraction of americium was observed and an extraction mechanism is proposed based on slope analysis, infrared studies, and temperature variation studies. Similar studies were performed with dibutyl-N, N-diethylcarbamoylphosphonate (DBDECP)

Study Snapshot

Dibutyl-N,N-diethylcarbamoylmethylphosphonate (DBDECMP)-tri-butyl phosphate (TBP) shows synergistic extraction of americium (III) from nitric acid, with a proposed extraction mechanism.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

THE EXTRACTION OF AMERIC1UM (III) BY MIXTURES OF TRIBUTYLPHOSPHATE WITH DIBUTYL-N,N-DIETHYLCARBAMOYL- PHOSPHONATE AND -METHYLPHOSPHONATE (DBDECP AND DBDECMP)

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References

Citations

The synergic effect of neutral organophosphorus ligands combined with acidic β-diketones for the extraction and separation of trivalent actinides.

Synergic combinations of neutral organophosphorus ligands and acidic -diketones can enhance extraction and separation efficiencies for trivalent actinide separations.

Radiochemistry and radiochemical separations

This study presents a method for obtaining carrier-free iodine-125 in the form of sodium iodide, which can be useful in various applications.

MODIFICATION OF TODGA- n -DODECANE SOLVENT WITH A MONOAMIDE FOR HIGH LOADING OF LANTHANIDES(III) AND ACTINIDES(III)

The modified TODGA-n-dodecane solvent with 1M DHOA effectively increases metal loading and extraction of lanthanides(III) and acetates(III) in aqueous solutions, with slightly lower extractability for Nd(III) and moderately higher extraction of HNO3.

Extraction of tri- and tetravalent actinides with dihexyl N,N-diethylcarbamoylmethyl phosphonate (DHDECMP) and TBP from nitric acid solutions

Extraction of trivalent and tetravalent actinides from nitric acid solutions with DHDECMP and TBP shows that for tetravalent ions, extraction constants increase when TBP molecules are replaced by DHDECMP, but decrease for trivalent ions.

THE EXTRACTION OF Eu(III) FROM ACIDIC MEDIA BY OCTYL(PHENYL)-N,N-DIISOBUTYL CARBAMOYLMETHYLPHOSPHINE OXIDE.

The CMPO-TBP mixture enhances Eu(III) extraction from nitric acid above 2M, but its extraction from hydrochloric acid is lower than from nitric acid.