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Title: Improving the recovery of Ba from Sr Resin columns using chelating agents

Abstract

Age dating of Cs-137 sources necessitates the accurate and precise quantification of the isotope Ba-137. In previous efforts to determine the age of Cs-137 source material, variation in Ba recovery was the largest source of uncertainty. This work investigates the use of several common chelating agents (EDTA, CDTA, DTPA, and NTA) to strip barium from Sr Resin columns quantitatively in an effort to improve the reproducibility of the separation. Batch studies showed conditions in which CDTA, EDTA, and NTA may suppress the retention of Ba on the column. Follow-up column studies showed excellent removal of barium from the column with quantitative recovery in the appropriate elution fraction. Our report builds upon previous studies and establishes additional chelating agents that could be used in an age dating separation procedure

Authors:
 [1];  [1];  [2]; ORCiD logo [2]
  1. Colorado State Univ., Fort Collins, CO (United States)
  2. Argonne National Lab. (ANL), Lemont, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC); US Dept. of Homeland Security (DHS), Domestic Nuclear Detection Office (DNDO)
OSTI Identifier:
1561086
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Radioanalytical and Nuclear Chemistry
Additional Journal Information:
Journal Volume: 321; Journal Issue: 3; Journal ID: ISSN 0236-5731
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; age dating; barium; cesium; chelating agents; extraction chromatography; sr resin

Citation Formats

Labb, Samantha A., Sorcic, Ashley, Tsai, Yifen, and McLain, Derek R. Improving the recovery of Ba from Sr Resin columns using chelating agents. United States: N. p., 2019. Web. doi:10.1007/s10967-019-06664-w.
Labb, Samantha A., Sorcic, Ashley, Tsai, Yifen, & McLain, Derek R. Improving the recovery of Ba from Sr Resin columns using chelating agents. United States. doi:10.1007/s10967-019-06664-w.
Labb, Samantha A., Sorcic, Ashley, Tsai, Yifen, and McLain, Derek R. Fri . "Improving the recovery of Ba from Sr Resin columns using chelating agents". United States. doi:10.1007/s10967-019-06664-w.
@article{osti_1561086,
title = {Improving the recovery of Ba from Sr Resin columns using chelating agents},
author = {Labb, Samantha A. and Sorcic, Ashley and Tsai, Yifen and McLain, Derek R.},
abstractNote = {Age dating of Cs-137 sources necessitates the accurate and precise quantification of the isotope Ba-137. In previous efforts to determine the age of Cs-137 source material, variation in Ba recovery was the largest source of uncertainty. This work investigates the use of several common chelating agents (EDTA, CDTA, DTPA, and NTA) to strip barium from Sr Resin columns quantitatively in an effort to improve the reproducibility of the separation. Batch studies showed conditions in which CDTA, EDTA, and NTA may suppress the retention of Ba on the column. Follow-up column studies showed excellent removal of barium from the column with quantitative recovery in the appropriate elution fraction. Our report builds upon previous studies and establishes additional chelating agents that could be used in an age dating separation procedure},
doi = {10.1007/s10967-019-06664-w},
journal = {Journal of Radioanalytical and Nuclear Chemistry},
number = 3,
volume = 321,
place = {United States},
year = {2019},
month = {8}
}

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