Application of a differential technique in laser-induced fluorimetry: simple and a precise method for the direct determination of uranium in mineralised rocks at the percentage level
A simple, rapid, cost-effective, accurate and precise differential laser-induced fluorimetric method for the direct determination of uranium in mineralised rocks at the percentage level is presented, based on the comparison of the fluorescence of the standard with a sample of similar but unknown con...
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| Veröffentlicht in: | Analytica chimica acta 2001-05, Vol.434 (2), p.201-208 |
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| container_title | Analytica chimica acta |
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| creator | Rathore, D.P.S Tarafder, P.K Kayal, M Kumar, Manjeet |
| description | A simple, rapid, cost-effective, accurate and precise differential laser-induced fluorimetric method for the direct determination of uranium in mineralised rocks at the percentage level is presented, based on the comparison of the fluorescence of the standard with a sample of similar but unknown concentration on the same sample weight basis, by the use of H
3PO
4–NH
4H
2PO
4 as a fluorescence enhancing reagent. The relative standard deviation of the method was 0.3–0.5% (
n=9) for 0.04 and 3.4% U
3O
8. The proposed technique is suitable for the determination of uranium in samples containing >0.01% uranium. The method has been evaluated using standards, SY-2, SY-3, low grade uranium ore-IAEA reference samples and core samples of diverse matrices. The results are in good agreement with the published data and those obtained by conventional fluorimetry and other methods and are of comparable precision to those obtained by titrimetric assay. |
| doi_str_mv | 10.1016/S0003-2670(01)00850-9 |
| format | Article |
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3PO
4–NH
4H
2PO
4 as a fluorescence enhancing reagent. The relative standard deviation of the method was 0.3–0.5% (
n=9) for 0.04 and 3.4% U
3O
8. The proposed technique is suitable for the determination of uranium in samples containing >0.01% uranium. The method has been evaluated using standards, SY-2, SY-3, low grade uranium ore-IAEA reference samples and core samples of diverse matrices. The results are in good agreement with the published data and those obtained by conventional fluorimetry and other methods and are of comparable precision to those obtained by titrimetric assay.</description><identifier>ISSN: 0003-2670</identifier><identifier>EISSN: 1873-4324</identifier><identifier>DOI: 10.1016/S0003-2670(01)00850-9</identifier><identifier>CODEN: ACACAM</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Analytical chemistry ; Chemistry ; Differential technique ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Fluorescence enhancing reagent ; Laser-induced fluorimetry ; Mineralised rock samples ; Mineralogy ; Mineralogy: general, methodology, regional studies ; Spectrometric and optical methods ; Uranium determination</subject><ispartof>Analytica chimica acta, 2001-05, Vol.434 (2), p.201-208</ispartof><rights>2001 Elsevier Science B.V.</rights><rights>2001 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-c359578da3501190c70244c075a355b51ba0eb311bc2610e88efe06ffefe52b63</citedby><cites>FETCH-LOGICAL-c366t-c359578da3501190c70244c075a355b51ba0eb311bc2610e88efe06ffefe52b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0003-2670(01)00850-9$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27911,27912,45982</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=966352$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Rathore, D.P.S</creatorcontrib><creatorcontrib>Tarafder, P.K</creatorcontrib><creatorcontrib>Kayal, M</creatorcontrib><creatorcontrib>Kumar, Manjeet</creatorcontrib><title>Application of a differential technique in laser-induced fluorimetry: simple and a precise method for the direct determination of uranium in mineralised rocks at the percentage level</title><title>Analytica chimica acta</title><description>A simple, rapid, cost-effective, accurate and precise differential laser-induced fluorimetric method for the direct determination of uranium in mineralised rocks at the percentage level is presented, based on the comparison of the fluorescence of the standard with a sample of similar but unknown concentration on the same sample weight basis, by the use of H
3PO
4–NH
4H
2PO
4 as a fluorescence enhancing reagent. The relative standard deviation of the method was 0.3–0.5% (
n=9) for 0.04 and 3.4% U
3O
8. The proposed technique is suitable for the determination of uranium in samples containing >0.01% uranium. The method has been evaluated using standards, SY-2, SY-3, low grade uranium ore-IAEA reference samples and core samples of diverse matrices. The results are in good agreement with the published data and those obtained by conventional fluorimetry and other methods and are of comparable precision to those obtained by titrimetric assay.</description><subject>Analytical chemistry</subject><subject>Chemistry</subject><subject>Differential technique</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Fluorescence enhancing reagent</subject><subject>Laser-induced fluorimetry</subject><subject>Mineralised rock samples</subject><subject>Mineralogy</subject><subject>Mineralogy: general, methodology, regional studies</subject><subject>Spectrometric and optical methods</subject><subject>Uranium determination</subject><issn>0003-2670</issn><issn>1873-4324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFUU2L1TAULaLgc_QnCAFBdFG9aZq0dSPDoDPCgAt1HdL01hdNk5qkA_PH_H3e997wtm4ScnM-knOq6iWHdxy4ev8NAETdqA7eAH8L0Euoh0fVjvedqFvRtI-r3RnytHqW8y86NhzaXfX3cl29s6a4GFicmWGTm2dMGIoznhW0--D-bMhcYN5kTLUL02ZxYrPfYnILlnT_gWW3rB6ZCRMprAmty8jobh8JGBMreyRhmhc2YcG0uHC23JIJblsODjTGZDyRJ5ai_Z2ZKUfuisnSk8xPZB7v0D-vnszGZ3zxsF9UPz5_-n51U99-vf5ydXlbW6FUoVUOsusnIyRwPoDtoGlbC52kiRwlHw3gKDgfbaM4YN_jjKAogBllMypxUb0-6a4pUgq56MVli96bgHHLulEDwKAEAeUJaFPMOeGsVwrHpHvNQR9a0seW9KECDVwfW9ID8V49GJhsjZ8pC8ruTB6UErIh1McTCumvdw6TztZhoBqOmeopuv_4_ANtXaoh</recordid><startdate>20010511</startdate><enddate>20010511</enddate><creator>Rathore, D.P.S</creator><creator>Tarafder, P.K</creator><creator>Kayal, M</creator><creator>Kumar, Manjeet</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20010511</creationdate><title>Application of a differential technique in laser-induced fluorimetry: simple and a precise method for the direct determination of uranium in mineralised rocks at the percentage level</title><author>Rathore, D.P.S ; Tarafder, P.K ; Kayal, M ; Kumar, Manjeet</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-c359578da3501190c70244c075a355b51ba0eb311bc2610e88efe06ffefe52b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Analytical chemistry</topic><topic>Chemistry</topic><topic>Differential technique</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Fluorescence enhancing reagent</topic><topic>Laser-induced fluorimetry</topic><topic>Mineralised rock samples</topic><topic>Mineralogy</topic><topic>Mineralogy: general, methodology, regional studies</topic><topic>Spectrometric and optical methods</topic><topic>Uranium determination</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rathore, D.P.S</creatorcontrib><creatorcontrib>Tarafder, P.K</creatorcontrib><creatorcontrib>Kayal, M</creatorcontrib><creatorcontrib>Kumar, Manjeet</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Analytica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rathore, D.P.S</au><au>Tarafder, P.K</au><au>Kayal, M</au><au>Kumar, Manjeet</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of a differential technique in laser-induced fluorimetry: simple and a precise method for the direct determination of uranium in mineralised rocks at the percentage level</atitle><jtitle>Analytica chimica acta</jtitle><date>2001-05-11</date><risdate>2001</risdate><volume>434</volume><issue>2</issue><spage>201</spage><epage>208</epage><pages>201-208</pages><issn>0003-2670</issn><eissn>1873-4324</eissn><coden>ACACAM</coden><abstract>A simple, rapid, cost-effective, accurate and precise differential laser-induced fluorimetric method for the direct determination of uranium in mineralised rocks at the percentage level is presented, based on the comparison of the fluorescence of the standard with a sample of similar but unknown concentration on the same sample weight basis, by the use of H
3PO
4–NH
4H
2PO
4 as a fluorescence enhancing reagent. The relative standard deviation of the method was 0.3–0.5% (
n=9) for 0.04 and 3.4% U
3O
8. The proposed technique is suitable for the determination of uranium in samples containing >0.01% uranium. The method has been evaluated using standards, SY-2, SY-3, low grade uranium ore-IAEA reference samples and core samples of diverse matrices. The results are in good agreement with the published data and those obtained by conventional fluorimetry and other methods and are of comparable precision to those obtained by titrimetric assay.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0003-2670(01)00850-9</doi><tpages>8</tpages></addata></record> |
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| ispartof | Analytica chimica acta, 2001-05, Vol.434 (2), p.201-208 |
| issn | 0003-2670 1873-4324 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Analytical chemistry Chemistry Differential technique Earth sciences Earth, ocean, space Exact sciences and technology Fluorescence enhancing reagent Laser-induced fluorimetry Mineralised rock samples Mineralogy Mineralogy: general, methodology, regional studies Spectrometric and optical methods Uranium determination |
| title | Application of a differential technique in laser-induced fluorimetry: simple and a precise method for the direct determination of uranium in mineralised rocks at the percentage level |
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