Organo-Phosphorous Compounds for Solvent Extraction

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From summary: "The influence of the structure of phosphate esters on the distribution coefficient of uranium between solutions of these esters in carbon tetrachloride and aqueous nitrate solutions has been studied. Esters of secondary alcohols showed higher distribution coefficients than primary alcohols. Phenyl esters extracted less uranium than alkyl esters, and the presence of other negative groups also resulted in less extraction. Compounds containing carbon to phosphorus bonds gave higher distribution coefficients than the corresponding esters, and the distribution coefficients increased with the number of such carbon to phosphorus bonds. Tributyl phosphine oxide (with three carbon to phosphorus bonds) showed … continued below

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14 pages.

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Higgins, C. E.; Baldwin, W. H. & Ruth, J. M. August 14, 1952.

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From summary: "The influence of the structure of phosphate esters on the distribution coefficient of uranium between solutions of these esters in carbon tetrachloride and aqueous nitrate solutions has been studied. Esters of secondary alcohols showed higher distribution coefficients than primary alcohols. Phenyl esters extracted less uranium than alkyl esters, and the presence of other negative groups also resulted in less extraction. Compounds containing carbon to phosphorus bonds gave higher distribution coefficients than the corresponding esters, and the distribution coefficients increased with the number of such carbon to phosphorus bonds. Tributyl phosphine oxide (with three carbon to phosphorus bonds) showed high distribution coefficients with many salts, including uranyl nitrate, uranyl sulfate, uranyl chloride, thorium nitrate, plutonium (IV) nitrate and some of the fission products in nitrate solution. It is planned to study these and similar compounds further."

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14 pages.

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Digitized from microopaque cards.

"Chemistry Division."

"Date Issued Aug 14 1952."

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  • Report No.: ORNL 1338
  • SuDoc Number: Y 3.At 7:22/ORNL-1338
  • Grant Number: W-7405-eng-26
  • Accession or Local Control No: metadc1201255
  • Archival Resource Key: ark:/67531/metadc1201255

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Technical Report Archive and Image Library

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  • August 14, 1952

Added to The UNT Digital Library

  • April 8, 2019, 4 p.m.

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  • Dec. 12, 2019, 11:27 a.m.

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Higgins, C. E.; Baldwin, W. H. & Ruth, J. M. Organo-Phosphorous Compounds for Solvent Extraction, report, August 14, 1952; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc1201255/: accessed October 5, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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