Holdup Measures on an SRNL Mossbauer Spectroscopy Instrument

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Gamma-ray holdup measurements of a Mossbauer spectroscopy instrument are described and modeled. In the qualitative acquisitions obtained in a low background area of Savannah River National Laboratory, only Am-241 and Np-237 activity were observed. The Am-241 was known to be the instrumental activation source, while the Np-237 is clearly observed as a source of contamination internal to the instrument. The two sources of activity are modeled separately in two acquisition configurations using two separate modeling tools. The results agree well, demonstrating a content of (1980 {+-} 150) {mu}Ci Am-241 and (110 {+-} 50) {mu}Ci of Np-237.

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Dewberry, R.; Brown, T. & Salaymeh, S. May 5, 2010.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Savannah River Site (S.C.)
    Publisher Info: Savannah River Site (SRS), Aiken, SC (United States)
    Place of Publication: Aiken, South Carolina

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Description

Gamma-ray holdup measurements of a Mossbauer spectroscopy instrument are described and modeled. In the qualitative acquisitions obtained in a low background area of Savannah River National Laboratory, only Am-241 and Np-237 activity were observed. The Am-241 was known to be the instrumental activation source, while the Np-237 is clearly observed as a source of contamination internal to the instrument. The two sources of activity are modeled separately in two acquisition configurations using two separate modeling tools. The results agree well, demonstrating a content of (1980 {+-} 150) {mu}Ci Am-241 and (110 {+-} 50) {mu}Ci of Np-237.

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  • Journal Name: J. Radioanalytical and Nuclear Chemistry

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  • Report No.: SRNL-STI-2010-00163
  • Grant Number: DE-AC09-08SR22470
  • Office of Scientific & Technical Information Report Number: 978445
  • Archival Resource Key: ark:/67531/metadc933997

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Office of Scientific & Technical Information Technical Reports

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  • May 5, 2010

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • May 11, 2018, 10:49 a.m.

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Dewberry, R.; Brown, T. & Salaymeh, S. Holdup Measures on an SRNL Mossbauer Spectroscopy Instrument, article, May 5, 2010; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc933997/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.