Solvent Extraction External Radiation Stability Testing

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Personnel irradiated a number of samples of calixarene-based solvent. Analysis of these samples indicated that measurable loss of the calixarene occurred at very high doses (-16 Mrad). No measurable loss of the Cs-7SB modifier occurred at equivalent doses. The primary degradation product, 4-sec-butylphenol, observed during analysis of the samples came from degradation of the modifier. Also, TOA proved more susceptible to damage than the other components of the solvent. The total degradation of the solvent proved relatively minor. The consistent solvent performance, as indicated by the measured D Cs values, after exposure at high total doses serves as evidence of ... continued below

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Peterson, R.A. January 5, 2001.

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Description

Personnel irradiated a number of samples of calixarene-based solvent. Analysis of these samples indicated that measurable loss of the calixarene occurred at very high doses (-16 Mrad). No measurable loss of the Cs-7SB modifier occurred at equivalent doses. The primary degradation product, 4-sec-butylphenol, observed during analysis of the samples came from degradation of the modifier. Also, TOA proved more susceptible to damage than the other components of the solvent. The total degradation of the solvent proved relatively minor. The consistent solvent performance, as indicated by the measured D Cs values, after exposure at high total doses serves as evidence of the relatively low degree of degradation of the solvent components. Additional tests employing internal irradiation of solvents with both simulants and SRS tank waste will be completed by the end of March 2001 to provide confirmation of the results presented herein.

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  • Other Information: PBD: 5 Jan 2001

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  • Report No.: WSRC-TR-2000-00413
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/773130 | External Link
  • Office of Scientific & Technical Information Report Number: 773130
  • Archival Resource Key: ark:/67531/metadc715382

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  • January 5, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 5, 2016, 2:43 p.m.

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Peterson, R.A. Solvent Extraction External Radiation Stability Testing, report, January 5, 2001; South Carolina. (digital.library.unt.edu/ark:/67531/metadc715382/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.