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Determination of 90Sr/ 238U ratio by double isotope dilution inductively coupled plasma mass spectrometer with multiple collection in spent nuclear fuel samples with in situ 90Sr/ 90Zr separation in a collision-reaction cell

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Title: Determination of 90Sr/ 238U ratio by double isotope dilution inductively coupled plasma mass spectrometer with multiple collection in spent nuclear fuel samples with in situ 90Sr/ 90Zr separation in a collision-reaction cell
Authors: Isnard, H. helene.isnard@cea.fr, Aubert, M.1, Blanchet, P.1, Brennetot, R.1, Chartier, F.1, Geertsen, V.1, Manuguerra, F.1
Source: Spectrochimica Acta Part B. Feb2006, Vol. 61 Issue 2, p150-156. 7p.
Subjects: Inductively coupled plasma spectrometry, Mass spectrometry, Radioactive waste disposal, Radioactive substances
Abstract: Abstract: Strontium-90 is one of the most important fission products generated in nuclear industry. In the research field concerning nuclear waste disposal in deep geological environment, it is necessary to quantify accurately and precisely its concentration (or the 90Sr/ 238U atomic ratio) in irradiated fuels. To obtain accurate analysis of radioactive 90Sr, mass spectrometry associated with isotope dilution is the most appropriated method. But, in nuclear fuel samples the interference with 90Zr must be previously eliminated. An inductively coupled plasma mass spectrometer with multiple collection, equipped with an hexapole collision cell, has been used to eliminate the 90Sr/ 90Zr interference by addition of oxygen in the collision cell as a reactant gas. Zr+ ions are converted into ZrO+, whereas Sr+ ions are not reactive. A mixed solution, prepared from a solution of enriched 84Sr and a solution of enriched 235U was then used to quantify the 90Sr/ 238U ratio in spent fuel sample solutions using the double isotope dilution method. This paper shows the results, the reproducibility and the uncertainties that can be obtained with this method to quantify the 90Sr/ 238U atomic ratio in an UOX (uranium oxide) and a MOX (mixed oxide) spent fuel samples using the collision cell of an inductively coupled plasma mass spectrometer with multiple collection to perform the 90Sr/ 90Zr separation. A comparison with the results obtained by inductively coupled plasma mass spectrometer with multiple collection after a chemical separation of strontium from zirconium using a Sr spec resin (Eichrom) has been performed. Finally, to validate the analytical procedure developed, measurements of the same samples have been performed by thermal ionization mass spectrometry, used as an independent technique, after chemical separation of Sr. [Copyright &y& Elsevier]
Copyright of Spectrochimica Acta Part B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Determination of <superscript>90</superscript>Sr/ <superscript>238</superscript>U ratio by double isotope dilution inductively coupled plasma mass spectrometer with multiple collection in spent nuclear fuel samples with in situ <superscript>90</superscript>Sr/ <superscript>90</superscript>Zr separation in a collision-reaction cell
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  Data: <searchLink fieldCode="AR" term="%22Isnard%2C+H%2E%22">Isnard, H.</searchLink><i> helene.isnard@cea.fr</i><br /><searchLink fieldCode="AR" term="%22Aubert%2C+M%2E%22">Aubert, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Blanchet%2C+P%2E%22">Blanchet, P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brennetot%2C+R%2E%22">Brennetot, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chartier%2C+F%2E%22">Chartier, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Geertsen%2C+V%2E%22">Geertsen, V.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Manuguerra%2C+F%2E%22">Manuguerra, F.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Spectrochimica+Acta+Part+B%22">Spectrochimica Acta Part B</searchLink>. Feb2006, Vol. 61 Issue 2, p150-156. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Inductively+coupled+plasma+spectrometry%22">Inductively coupled plasma spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+spectrometry%22">Mass spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Radioactive+waste+disposal%22">Radioactive waste disposal</searchLink><br /><searchLink fieldCode="DE" term="%22Radioactive+substances%22">Radioactive substances</searchLink>
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  Data: Abstract: Strontium-90 is one of the most important fission products generated in nuclear industry. In the research field concerning nuclear waste disposal in deep geological environment, it is necessary to quantify accurately and precisely its concentration (or the 90Sr/ 238U atomic ratio) in irradiated fuels. To obtain accurate analysis of radioactive 90Sr, mass spectrometry associated with isotope dilution is the most appropriated method. But, in nuclear fuel samples the interference with 90Zr must be previously eliminated. An inductively coupled plasma mass spectrometer with multiple collection, equipped with an hexapole collision cell, has been used to eliminate the 90Sr/ 90Zr interference by addition of oxygen in the collision cell as a reactant gas. Zr+ ions are converted into ZrO+, whereas Sr+ ions are not reactive. A mixed solution, prepared from a solution of enriched 84Sr and a solution of enriched 235U was then used to quantify the 90Sr/ 238U ratio in spent fuel sample solutions using the double isotope dilution method. This paper shows the results, the reproducibility and the uncertainties that can be obtained with this method to quantify the 90Sr/ 238U atomic ratio in an UOX (uranium oxide) and a MOX (mixed oxide) spent fuel samples using the collision cell of an inductively coupled plasma mass spectrometer with multiple collection to perform the 90Sr/ 90Zr separation. A comparison with the results obtained by inductively coupled plasma mass spectrometer with multiple collection after a chemical separation of strontium from zirconium using a Sr spec resin (Eichrom) has been performed. Finally, to validate the analytical procedure developed, measurements of the same samples have been performed by thermal ionization mass spectrometry, used as an independent technique, after chemical separation of Sr. [Copyright &y& Elsevier]
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  Label:
  Group: Ab
  Data: <i>Copyright of Spectrochimica Acta Part B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – TitleFull: Determination of 90Sr/ 238U ratio by double isotope dilution inductively coupled plasma mass spectrometer with multiple collection in spent nuclear fuel samples with in situ 90Sr/ 90Zr separation in a collision-reaction cell
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              Text: Feb2006
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