Rapid method to determine 89Sr/90Sr in large concrete samples

Maxwell, Sherrod L.; Culligan, Brian; Hutchison, Jay B.; Utsey, Robin C.; Sudowe, Ralf; McAlister, Daniel R.

doi:10.1007/s10967-016-4787-4

Rapid method to determine ⁸⁹Sr/⁹⁰Sr in large concrete samples

Journal Article · Thu Mar 24 00:00:00 EDT 2016 · Journal of Radioanalytical and Nuclear Chemistry

DOI:https://doi.org/10.1007/s10967-016-4787-4· OSTI ID:1254435

Maxwell, Sherrod L. ^[1]; Culligan, Brian ^[1]; Hutchison, Jay B. ^[1]; Utsey, Robin C. ^[1]; Sudowe, Ralf ^[2]; McAlister, Daniel R. ^[3]

Savannah River Nuclear Solutions, LLC, Aiken, SC (United States)
Univ. of Nevada, Las Vegas, NV (United States)
PG Research Foundation, Inc., Lisle, IL (United States)

Here, a new rapid method has been developed that provides high quality low-level measurements of ^89,90Sr in concrete samples with an MDA (Minimum Detectable Activity) of <1 mBq g^-1. The new method is fast, meets new decommissioning regulatory limits and is robust even if refractory particles are present. The method utilizes a rapid fusion to ensure total dissolution of samples and rapid preconcentration and separation of ^89,90Sr from 5-10 g concrete samples. When, the ⁸⁹Sr/⁹⁰Sr ratio is high, Sr can be isolated from up to 5g concrete samples, total ^89/90Sr measured, and then 90Sr determined via ⁹⁰Y separated after a period of ingrowth. Another approach allows the immediate determination of ⁹⁰Sr in 10 g concrete aliquots without waiting for ⁹⁰Y ingrowth, in instances where the shorter lived ⁸⁹Sr is unlikely to be encountered.

Research Organization:: Savannah River Site (SRS), Aiken, SC (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC09-08SR22470

OSTI ID:: 1254435

Alternate ID(s):: OSTI ID: 22547373

Report Number(s):: SRNS-STI--2016-00187; PII: 4787

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (1)

Fusion and chemical separation of Am, Pu and Sr from barite-concrete Jäggi, Maya E.; Rüthi, Max; Eikenberg, Jost Journal of Radioanalytical and Nuclear Chemistry, Vol. 322, Issue 3 https://doi.org/10.1007/s10967-019-06854-6	journal	October 2019

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
concrete
fusion
rapid method
strontium
yttrium-90