Chemical and Isotopic Characterization of Noble Metal Phase from Commercial UO2 Fuel
We report elemental and isotopic analysis for the noble metal fission product phase found in irradiated nuclear fuel. The noble metal phase was isolated from three commercial irradiated UO2 fuels by chemically dissolving the UO2 fuel matrix, leaving the noble metal phase as the undissolved residue....
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| Veröffentlicht in: | Analytical chemistry (Washington) 2019-05, Vol.91 (10), p.6522-6529 |
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| container_title | Analytical chemistry (Washington) |
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| creator | Pellegrini, Kristi L Soderquist, Chuck Z Shen, Steve D Krogstad, Eirik J Palmer, Camille J Gerez, Kyzer R Buck, Edgar C Lach, Timothy G Schwantes, Jon M Clark, Richard A |
| description | We report elemental and isotopic analysis for the noble metal fission product phase found in irradiated nuclear fuel. The noble metal phase was isolated from three commercial irradiated UO2 fuels by chemically dissolving the UO2 fuel matrix, leaving the noble metal phase as the undissolved residue. Macro amounts of this residue were dissolved using a KOH + KNO3 fusion and then chemically separated into individual elements for analysis by mass spectrometry. Though the composition of this phase has been previously reported, this work is the most comprehensive chemical analysis of the isolated noble metal phase to date. We report both elemental and isotopic abundances of the five major components of the noble metal phase (Mo, Tc, Ru, Rh, Pd). In addition, we report a sixth element present in high quantities in this phase, tellurium. Tellurium appears to be an integral component of noble metal particles. |
| doi_str_mv | 10.1021/acs.analchem.8b05549 |
| format | Article |
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(PNNL), Richland, WA (United States)</creatorcontrib><description>We report elemental and isotopic analysis for the noble metal fission product phase found in irradiated nuclear fuel. The noble metal phase was isolated from three commercial irradiated UO2 fuels by chemically dissolving the UO2 fuel matrix, leaving the noble metal phase as the undissolved residue. Macro amounts of this residue were dissolved using a KOH + KNO3 fusion and then chemically separated into individual elements for analysis by mass spectrometry. Though the composition of this phase has been previously reported, this work is the most comprehensive chemical analysis of the isolated noble metal phase to date. We report both elemental and isotopic abundances of the five major components of the noble metal phase (Mo, Tc, Ru, Rh, Pd). In addition, we report a sixth element present in high quantities in this phase, tellurium. 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In addition, we report a sixth element present in high quantities in this phase, tellurium. Tellurium appears to be an integral component of noble metal particles.</description><subject>Analytical chemistry</subject><subject>Chemical analysis</subject><subject>Chemistry</subject><subject>Electron microscopes</subject><subject>Fission products</subject><subject>Mass spectrometry</subject><subject>Mass spectroscopy</subject><subject>Metal particles</subject><subject>Metals</subject><subject>Noble metals</subject><subject>NUCLEAR FUEL CYCLE AND FUEL MATERIALS</subject><subject>Nuclear fuels</subject><subject>Organic chemistry</subject><subject>Palladium</subject><subject>Platinum</subject><subject>RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY</subject><subject>Tellurium</subject><subject>Uranium dioxide</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpd0U1PwzAMBuAIgcQY_AMOEVy4dDhJ048jqhhMGozDdq7S1FUztc1o0gu_nkwDIXGyZD22LL-E3DJYMODsUWm3UIPqdIv9IqtAyjg_IzMmOURJlvFzMgMAEfEU4JJcObcHYAxYMiPbIswYrTqqhpqunPX2YDQtWjUq7XE0X8obO1Db0HdbdUjf0Af80SqHtBltTwvb9zhqE7q7DafLCbtrctGozuHNT52T3fJ5W7xG683LqnhaR4on4KNYJA2TMW-EyJKmzoFjFQ6rYy4TxfMa81QplmYsrQTIOs-qmAupMJWMNSiZmJO7017rvCmdNh51q-0woPZl2CwE8IAeTugw2s8JnS974zR2nRrQTq7knEkI9_A40Pt_dG-nMTz2qATLM5FwCApOKrz9DzAoj1mUx-ZvFuVPFuIbzkB8wA</recordid><startdate>20190521</startdate><enddate>20190521</enddate><creator>Pellegrini, Kristi L</creator><creator>Soderquist, Chuck Z</creator><creator>Shen, Steve D</creator><creator>Krogstad, Eirik J</creator><creator>Palmer, Camille J</creator><creator>Gerez, Kyzer R</creator><creator>Buck, Edgar C</creator><creator>Lach, Timothy G</creator><creator>Schwantes, Jon M</creator><creator>Clark, Richard A</creator><general>American Chemical Society</general><general>American Chemical Society (ACS)</general><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7TM</scope><scope>7U5</scope><scope>7U7</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-4308-0357</orcidid><orcidid>https://orcid.org/0000000322728468</orcidid><orcidid>https://orcid.org/0000000247454179</orcidid><orcidid>https://orcid.org/0000000151019084</orcidid><orcidid>https://orcid.org/0000000343080357</orcidid></search><sort><creationdate>20190521</creationdate><title>Chemical and Isotopic Characterization of Noble Metal Phase from Commercial UO2 Fuel</title><author>Pellegrini, Kristi L ; Soderquist, Chuck Z ; Shen, Steve D ; Krogstad, Eirik J ; Palmer, Camille J ; Gerez, Kyzer R ; Buck, Edgar C ; Lach, Timothy G ; Schwantes, Jon M ; Clark, Richard A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a260t-436f1542f3386fd902eb001d4256a29de97aa17817b305d98b4235ae7511fe513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Analytical chemistry</topic><topic>Chemical analysis</topic><topic>Chemistry</topic><topic>Electron microscopes</topic><topic>Fission products</topic><topic>Mass spectrometry</topic><topic>Mass spectroscopy</topic><topic>Metal particles</topic><topic>Metals</topic><topic>Noble metals</topic><topic>NUCLEAR FUEL CYCLE AND FUEL MATERIALS</topic><topic>Nuclear fuels</topic><topic>Organic chemistry</topic><topic>Palladium</topic><topic>Platinum</topic><topic>RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY</topic><topic>Tellurium</topic><topic>Uranium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pellegrini, Kristi L</creatorcontrib><creatorcontrib>Soderquist, Chuck Z</creatorcontrib><creatorcontrib>Shen, Steve D</creatorcontrib><creatorcontrib>Krogstad, Eirik J</creatorcontrib><creatorcontrib>Palmer, Camille J</creatorcontrib><creatorcontrib>Gerez, Kyzer R</creatorcontrib><creatorcontrib>Buck, Edgar C</creatorcontrib><creatorcontrib>Lach, Timothy G</creatorcontrib><creatorcontrib>Schwantes, Jon M</creatorcontrib><creatorcontrib>Clark, Richard A</creatorcontrib><creatorcontrib>Pacific Northwest National Lab. 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(PNNL), Richland, WA (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chemical and Isotopic Characterization of Noble Metal Phase from Commercial UO2 Fuel</atitle><jtitle>Analytical chemistry (Washington)</jtitle><addtitle>Anal. Chem</addtitle><date>2019-05-21</date><risdate>2019</risdate><volume>91</volume><issue>10</issue><spage>6522</spage><epage>6529</epage><pages>6522-6529</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><abstract>We report elemental and isotopic analysis for the noble metal fission product phase found in irradiated nuclear fuel. The noble metal phase was isolated from three commercial irradiated UO2 fuels by chemically dissolving the UO2 fuel matrix, leaving the noble metal phase as the undissolved residue. Macro amounts of this residue were dissolved using a KOH + KNO3 fusion and then chemically separated into individual elements for analysis by mass spectrometry. 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| source | American Chemical Society Journals |
| subjects | Analytical chemistry Chemical analysis Chemistry Electron microscopes Fission products Mass spectrometry Mass spectroscopy Metal particles Metals Noble metals NUCLEAR FUEL CYCLE AND FUEL MATERIALS Nuclear fuels Organic chemistry Palladium Platinum RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY Tellurium Uranium dioxide |
| title | Chemical and Isotopic Characterization of Noble Metal Phase from Commercial UO2 Fuel |
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