Quantitative analysis of trivalent uranium and lanthanides in a molten chloride by absorption spectrophotometry
As an analytical application for pyrochemical reprocessing using molten salts, quantitative analysis of uranium and lanthanides by UV/Vis/NIR absorption spectrophotometry was performed. Electronic absorption spectra of LiCl–KCl eutectic at 773 K including trivalent uranium and eight rare earth eleme...
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| Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2013-04, Vol.296 (1), p.255-259 |
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| creator | Fujii, Toshiyuki Uda, Takeshi Fukasawa, Kazuhito Uehara, Akihiro Sato, Nobuaki Nagai, Takayuki Kinoshita, Kensuke Koyama, Tadafumi Yamana, Hajimu |
| description | As an analytical application for pyrochemical reprocessing using molten salts, quantitative analysis of uranium and lanthanides by UV/Vis/NIR absorption spectrophotometry was performed. Electronic absorption spectra of LiCl–KCl eutectic at 773 K including trivalent uranium and eight rare earth elements (Y, La, Ce, Pr, Nd, Sm, Eu, and Gd as fission product elements) were measured in the wavenumber region of 4,500–33,000 cm
−1
. The composition of the solutes was simulated for a reductive extraction condition in a pyroreprocessing process for spent nuclear fuels, that is, about 2 wt% U and 0.1–2 wt% rare earth elements. Since U(III) possesses strong absorption bands due to
f
–
d
transitions, an optical quartz cell with short light path length of 1 mm was adopted in the analysis. The quantitative analysis of trivalent U, Nd, Pr, and Sm was possible with their
f
–
f
transition intensities in the NIR region. The analytical results agree with the prepared concentrations within 2σ experimental uncertainties. |
| doi_str_mv | 10.1007/s10967-012-2008-3 |
| format | Article |
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−1
. The composition of the solutes was simulated for a reductive extraction condition in a pyroreprocessing process for spent nuclear fuels, that is, about 2 wt% U and 0.1–2 wt% rare earth elements. Since U(III) possesses strong absorption bands due to
f
–
d
transitions, an optical quartz cell with short light path length of 1 mm was adopted in the analysis. The quantitative analysis of trivalent U, Nd, Pr, and Sm was possible with their
f
–
f
transition intensities in the NIR region. The analytical results agree with the prepared concentrations within 2σ experimental uncertainties.</description><identifier>ISSN: 0236-5731</identifier><identifier>EISSN: 1588-2780</identifier><identifier>DOI: 10.1007/s10967-012-2008-3</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Absorption spectra ; Chemistry ; Chemistry and Materials Science ; Diagnostic Radiology ; Hadrons ; Heavy Ions ; Inorganic Chemistry ; Lanthanides ; Mathematical analysis ; Neodymium ; Nuclear Chemistry ; Nuclear energy ; Nuclear Physics ; Physical Chemistry ; Quantitative analysis ; Rare earth elements ; Spectrophotometry ; Uranium</subject><ispartof>Journal of radioanalytical and nuclear chemistry, 2013-04, Vol.296 (1), p.255-259</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2012</rights><rights>COPYRIGHT 2013 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-f17ae3904db6a1d77f92df4680ee255bc91d1166eb6d2c0dab50abe32ed33a373</citedby><cites>FETCH-LOGICAL-c360t-f17ae3904db6a1d77f92df4680ee255bc91d1166eb6d2c0dab50abe32ed33a373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10967-012-2008-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10967-012-2008-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Fujii, Toshiyuki</creatorcontrib><creatorcontrib>Uda, Takeshi</creatorcontrib><creatorcontrib>Fukasawa, Kazuhito</creatorcontrib><creatorcontrib>Uehara, Akihiro</creatorcontrib><creatorcontrib>Sato, Nobuaki</creatorcontrib><creatorcontrib>Nagai, Takayuki</creatorcontrib><creatorcontrib>Kinoshita, Kensuke</creatorcontrib><creatorcontrib>Koyama, Tadafumi</creatorcontrib><creatorcontrib>Yamana, Hajimu</creatorcontrib><title>Quantitative analysis of trivalent uranium and lanthanides in a molten chloride by absorption spectrophotometry</title><title>Journal of radioanalytical and nuclear chemistry</title><addtitle>J Radioanal Nucl Chem</addtitle><description>As an analytical application for pyrochemical reprocessing using molten salts, quantitative analysis of uranium and lanthanides by UV/Vis/NIR absorption spectrophotometry was performed. Electronic absorption spectra of LiCl–KCl eutectic at 773 K including trivalent uranium and eight rare earth elements (Y, La, Ce, Pr, Nd, Sm, Eu, and Gd as fission product elements) were measured in the wavenumber region of 4,500–33,000 cm
−1
. The composition of the solutes was simulated for a reductive extraction condition in a pyroreprocessing process for spent nuclear fuels, that is, about 2 wt% U and 0.1–2 wt% rare earth elements. Since U(III) possesses strong absorption bands due to
f
–
d
transitions, an optical quartz cell with short light path length of 1 mm was adopted in the analysis. The quantitative analysis of trivalent U, Nd, Pr, and Sm was possible with their
f
–
f
transition intensities in the NIR region. The analytical results agree with the prepared concentrations within 2σ experimental uncertainties.</description><subject>Absorption spectra</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Diagnostic Radiology</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Inorganic Chemistry</subject><subject>Lanthanides</subject><subject>Mathematical analysis</subject><subject>Neodymium</subject><subject>Nuclear Chemistry</subject><subject>Nuclear energy</subject><subject>Nuclear Physics</subject><subject>Physical Chemistry</subject><subject>Quantitative analysis</subject><subject>Rare earth elements</subject><subject>Spectrophotometry</subject><subject>Uranium</subject><issn>0236-5731</issn><issn>1588-2780</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kU9v3CAQxVHVSN0k_QC9cczF6QBrsI9RlD-VVqoqtWeEYZwlssEBHGm_fVg554oD4vF-o5l5hPxgcMsA1M_MoJeqAcYbDtA14gvZsbbrGq46-Ep2wIVsWiXYN3KZ8ysA9F0ndiT-WU0ovpji35GaYKZT9pnGkZbk382EodA1meDXuf46OlX3sT4dZuoDNXSOU8FA7XGKqap0OFEz5JiW4mOgeUFbUlyOscQZSzpdk4vRTBm_f95X5N_jw9_75-bw--nX_d2hsUJCaUamDIoe9m6Qhjmlxp67cS87QORtO9ieOcakxEE6bsGZoQUzoODohDBCiStys9VdUnxbMRc9-2xxqv1jXLNmUrF9K2XfVevtZn2p42ofxliSsfU4nL2NAUdf9Tshaz-cyTPANsCmmHPCUS_JzyadNAN9TkNvaeiahj6noUVl-Mbk6g0vmPRrXFNdd_4P9AGO5o_7</recordid><startdate>20130401</startdate><enddate>20130401</enddate><creator>Fujii, Toshiyuki</creator><creator>Uda, Takeshi</creator><creator>Fukasawa, Kazuhito</creator><creator>Uehara, Akihiro</creator><creator>Sato, Nobuaki</creator><creator>Nagai, Takayuki</creator><creator>Kinoshita, Kensuke</creator><creator>Koyama, Tadafumi</creator><creator>Yamana, Hajimu</creator><general>Springer Netherlands</general><general>Springer</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7SU</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20130401</creationdate><title>Quantitative analysis of trivalent uranium and lanthanides in a molten chloride by absorption spectrophotometry</title><author>Fujii, Toshiyuki ; Uda, Takeshi ; Fukasawa, Kazuhito ; Uehara, Akihiro ; Sato, Nobuaki ; Nagai, Takayuki ; Kinoshita, Kensuke ; Koyama, Tadafumi ; Yamana, Hajimu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-f17ae3904db6a1d77f92df4680ee255bc91d1166eb6d2c0dab50abe32ed33a373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Absorption spectra</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Diagnostic Radiology</topic><topic>Hadrons</topic><topic>Heavy Ions</topic><topic>Inorganic Chemistry</topic><topic>Lanthanides</topic><topic>Mathematical analysis</topic><topic>Neodymium</topic><topic>Nuclear Chemistry</topic><topic>Nuclear energy</topic><topic>Nuclear Physics</topic><topic>Physical Chemistry</topic><topic>Quantitative analysis</topic><topic>Rare earth elements</topic><topic>Spectrophotometry</topic><topic>Uranium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fujii, Toshiyuki</creatorcontrib><creatorcontrib>Uda, Takeshi</creatorcontrib><creatorcontrib>Fukasawa, Kazuhito</creatorcontrib><creatorcontrib>Uehara, Akihiro</creatorcontrib><creatorcontrib>Sato, Nobuaki</creatorcontrib><creatorcontrib>Nagai, Takayuki</creatorcontrib><creatorcontrib>Kinoshita, Kensuke</creatorcontrib><creatorcontrib>Koyama, Tadafumi</creatorcontrib><creatorcontrib>Yamana, Hajimu</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fujii, Toshiyuki</au><au>Uda, Takeshi</au><au>Fukasawa, Kazuhito</au><au>Uehara, Akihiro</au><au>Sato, Nobuaki</au><au>Nagai, Takayuki</au><au>Kinoshita, Kensuke</au><au>Koyama, Tadafumi</au><au>Yamana, Hajimu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quantitative analysis of trivalent uranium and lanthanides in a molten chloride by absorption spectrophotometry</atitle><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle><stitle>J Radioanal Nucl Chem</stitle><date>2013-04-01</date><risdate>2013</risdate><volume>296</volume><issue>1</issue><spage>255</spage><epage>259</epage><pages>255-259</pages><issn>0236-5731</issn><eissn>1588-2780</eissn><abstract>As an analytical application for pyrochemical reprocessing using molten salts, quantitative analysis of uranium and lanthanides by UV/Vis/NIR absorption spectrophotometry was performed. Electronic absorption spectra of LiCl–KCl eutectic at 773 K including trivalent uranium and eight rare earth elements (Y, La, Ce, Pr, Nd, Sm, Eu, and Gd as fission product elements) were measured in the wavenumber region of 4,500–33,000 cm
−1
. The composition of the solutes was simulated for a reductive extraction condition in a pyroreprocessing process for spent nuclear fuels, that is, about 2 wt% U and 0.1–2 wt% rare earth elements. Since U(III) possesses strong absorption bands due to
f
–
d
transitions, an optical quartz cell with short light path length of 1 mm was adopted in the analysis. The quantitative analysis of trivalent U, Nd, Pr, and Sm was possible with their
f
–
f
transition intensities in the NIR region. The analytical results agree with the prepared concentrations within 2σ experimental uncertainties.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10967-012-2008-3</doi><tpages>5</tpages></addata></record> |
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| subjects | Absorption spectra Chemistry Chemistry and Materials Science Diagnostic Radiology Hadrons Heavy Ions Inorganic Chemistry Lanthanides Mathematical analysis Neodymium Nuclear Chemistry Nuclear energy Nuclear Physics Physical Chemistry Quantitative analysis Rare earth elements Spectrophotometry Uranium |
| title | Quantitative analysis of trivalent uranium and lanthanides in a molten chloride by absorption spectrophotometry |
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