RAPID SEPARATION METHOD FOR EMERGENCY WATER AND URINE SAMPLES

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The Savannah River Site Environmental Bioassay Lab participated in the 2008 NRIP Emergency Response program administered by the National Institute for Standards and Technology (NIST) in May, 2008. A new rapid column separation method was used for analysis of actinides and {sup 90}Sr the NRIP 2008 emergency water and urine samples. Significant method improvements were applied to reduce analytical times. As a result, much faster analysis times were achieved, less than 3 hours for determination of {sup 90}Sr and 3-4 hours for actinides. This represents a 25%-33% improvement in analysis times from NRIP 2007 and a {approx}100% improvement compared to ... continued below

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Maxwell, S. & Culligan, B. August 27, 2008.

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The Savannah River Site Environmental Bioassay Lab participated in the 2008 NRIP Emergency Response program administered by the National Institute for Standards and Technology (NIST) in May, 2008. A new rapid column separation method was used for analysis of actinides and {sup 90}Sr the NRIP 2008 emergency water and urine samples. Significant method improvements were applied to reduce analytical times. As a result, much faster analysis times were achieved, less than 3 hours for determination of {sup 90}Sr and 3-4 hours for actinides. This represents a 25%-33% improvement in analysis times from NRIP 2007 and a {approx}100% improvement compared to NRIP 2006 report times. Column flow rates were increased by a factor of two, with no significant adverse impact on the method performance. Larger sample aliquots, shorter count times, faster cerium fluoride microprecipitation and streamlined calcium phosphate precipitation were also employed. Based on initial feedback from NIST, the SRS Environmental Bioassay Lab had the most rapid analysis times for actinides and {sup 90}Sr analyses for NRIP 2008 emergency urine samples. High levels of potential matrix interferences may be present in emergency samples and rugged methods are essential. Extremely high levels of {sup 210}Po were found to have an adverse effect on the uranium results for the NRIP-08 urine samples, while uranium results for NRIP-08 water samples were not affected. This problem, which was not observed for NRIP-06 or NRIP-07 urine samples, was resolved by using an enhanced {sup 210}Po removal step, which will be described.

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  • Journal Name: Journal of Radioanalytical and Nuclear Chemistry

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  • Report No.: SRNS-STI-2008-00072
  • Grant Number: DE-AC09-08SR22470
  • DOI: 10.1007/s10967-007-7084-4 | External Link
  • Office of Scientific & Technical Information Report Number: 972205
  • Archival Resource Key: ark:/67531/metadc931962

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  • August 27, 2008

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 4:46 p.m.

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Maxwell, S. & Culligan, B. RAPID SEPARATION METHOD FOR EMERGENCY WATER AND URINE SAMPLES, article, August 27, 2008; South Carolina. (digital.library.unt.edu/ark:/67531/metadc931962/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.