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Sample Storage Artifacts Affecting the Measurement of Dissolved Copper in Sulfidic Waters
Sample preservation and storage procedures (acidification with HNO3 and storage in plastic bottles) normally employed prior to the determination of dissolved Cu in sulfidic waters were compared with sample preservation involving the initial oxidation of sulfide with H2O2 or S2O5 2- followed by acidi...
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| Published in: | Analytical chemistry (Washington) 1998-10, Vol.70 (19), p.4202-4205 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-a429t-e2d3b680af8c189860a3948fd9546908243f18cae7dd00e372cd1730825d43843 |
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| cites | cdi_FETCH-LOGICAL-a429t-e2d3b680af8c189860a3948fd9546908243f18cae7dd00e372cd1730825d43843 |
| container_end_page | 4205 |
| container_issue | 19 |
| container_start_page | 4202 |
| container_title | Analytical chemistry (Washington) |
| container_volume | 70 |
| creator | Simpson, Stuart L Apte, Simon C Batley, Graeme E |
| description | Sample preservation and storage procedures (acidification with HNO3 and storage in plastic bottles) normally employed prior to the determination of dissolved Cu in sulfidic waters were compared with sample preservation involving the initial oxidation of sulfide with H2O2 or S2O5 2- followed by acidification. Acidification alone was demonstrated to be inadequate and resulted in a significant underestimation of dissolved Cu (losses ranging from 50% to >90%). Similar losses were observed in both polyethylene and Teflon storage bottles. Experiments suggest that losses of copper occur following sample acidification owing to the formation of stable copper sulfide phases which adsorb onto container surfaces. It is therefore recommended that an oxidative pretreatment step is carried out prior to the acidification of porewaters collected for metal analysis. The results of this study suggest that much of the previous data reporting dissolved Cu concentrations in sulfidic waters and porewaters may be in error. |
| doi_str_mv | 10.1021/ac980006v |
| format | article |
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Acidification alone was demonstrated to be inadequate and resulted in a significant underestimation of dissolved Cu (losses ranging from 50% to >90%). Similar losses were observed in both polyethylene and Teflon storage bottles. Experiments suggest that losses of copper occur following sample acidification owing to the formation of stable copper sulfide phases which adsorb onto container surfaces. It is therefore recommended that an oxidative pretreatment step is carried out prior to the acidification of porewaters collected for metal analysis. The results of this study suggest that much of the previous data reporting dissolved Cu concentrations in sulfidic waters and porewaters may be in error.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac980006v</identifier><identifier>PMID: 21651256</identifier><identifier>CODEN: ANCHAM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Chemistry ; Copper ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Geochemistry ; Measurement ; Mineralogy ; Pollution, environment geology ; Silicates ; Water ; Water geochemistry</subject><ispartof>Analytical chemistry (Washington), 1998-10, Vol.70 (19), p.4202-4205</ispartof><rights>Copyright © 1998 by the American Chemical Society</rights><rights>1998 INIST-CNRS</rights><rights>Copyright American Chemical Society Oct 1, 1998</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a429t-e2d3b680af8c189860a3948fd9546908243f18cae7dd00e372cd1730825d43843</citedby><cites>FETCH-LOGICAL-a429t-e2d3b680af8c189860a3948fd9546908243f18cae7dd00e372cd1730825d43843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2431781$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21651256$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Simpson, Stuart L</creatorcontrib><creatorcontrib>Apte, Simon C</creatorcontrib><creatorcontrib>Batley, Graeme E</creatorcontrib><title>Sample Storage Artifacts Affecting the Measurement of Dissolved Copper in Sulfidic Waters</title><title>Analytical chemistry (Washington)</title><addtitle>Anal. Chem</addtitle><description>Sample preservation and storage procedures (acidification with HNO3 and storage in plastic bottles) normally employed prior to the determination of dissolved Cu in sulfidic waters were compared with sample preservation involving the initial oxidation of sulfide with H2O2 or S2O5 2- followed by acidification. Acidification alone was demonstrated to be inadequate and resulted in a significant underestimation of dissolved Cu (losses ranging from 50% to >90%). Similar losses were observed in both polyethylene and Teflon storage bottles. Experiments suggest that losses of copper occur following sample acidification owing to the formation of stable copper sulfide phases which adsorb onto container surfaces. It is therefore recommended that an oxidative pretreatment step is carried out prior to the acidification of porewaters collected for metal analysis. The results of this study suggest that much of the previous data reporting dissolved Cu concentrations in sulfidic waters and porewaters may be in error.</description><subject>Chemistry</subject><subject>Copper</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Geochemistry</subject><subject>Measurement</subject><subject>Mineralogy</subject><subject>Pollution, environment geology</subject><subject>Silicates</subject><subject>Water</subject><subject>Water geochemistry</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNpl0FtrFTEQB_Agij1WH_wCEkQRH1Zz2U2yj4ejtsWKwtbbU0iTSU3dm0m26Ldv5Jyegj4NZH7MTP4IPabkFSWMvja2VYQQcXUHrWjDSCWUYnfRqrzxiklCDtCDlC4JoZRQcR8dMCoayhqxQt87M8w94C5P0VwAXsccvLE54bX3YHMYL3D-AfgDmLREGGDMePL4TUhp6q_A4c00zxBxGHG39D64YPFXkyGmh-ieN32CR7t6iD6_e3u2Oa5OPx6dbNanlalZmytgjp8LRYxXlqpWCWJ4Wyvv2qYWLVGs5p4qa0A6RwhwyayjkpdG42quan6IXmznznH6tUDKegjJQt-bEaYlaSUpl61qmiKf_iMvpyWO5TjNqFSScSkKerlFNk4pRfB6jmEw8Y-mRP9NW-_TLvbJbuByPoDby5t4C3i2AyZZ0_toRhvSrat52UsLq7YspAy_920Tf2ohuWz02adOd-zbeybpF31U_POtNzbd_uH_-64BquOfyg</recordid><startdate>19981001</startdate><enddate>19981001</enddate><creator>Simpson, Stuart L</creator><creator>Apte, Simon C</creator><creator>Batley, Graeme E</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><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></search><sort><creationdate>19981001</creationdate><title>Sample Storage Artifacts Affecting the Measurement of Dissolved Copper in Sulfidic Waters</title><author>Simpson, Stuart L ; Apte, Simon C ; Batley, Graeme E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a429t-e2d3b680af8c189860a3948fd9546908243f18cae7dd00e372cd1730825d43843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Chemistry</topic><topic>Copper</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Geochemistry</topic><topic>Measurement</topic><topic>Mineralogy</topic><topic>Pollution, environment geology</topic><topic>Silicates</topic><topic>Water</topic><topic>Water geochemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Simpson, Stuart L</creatorcontrib><creatorcontrib>Apte, Simon C</creatorcontrib><creatorcontrib>Batley, Graeme E</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Analytical chemistry (Washington)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Simpson, Stuart L</au><au>Apte, Simon C</au><au>Batley, Graeme E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sample Storage Artifacts Affecting the Measurement of Dissolved Copper in Sulfidic Waters</atitle><jtitle>Analytical chemistry (Washington)</jtitle><addtitle>Anal. Chem</addtitle><date>1998-10-01</date><risdate>1998</risdate><volume>70</volume><issue>19</issue><spage>4202</spage><epage>4205</epage><pages>4202-4205</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>Sample preservation and storage procedures (acidification with HNO3 and storage in plastic bottles) normally employed prior to the determination of dissolved Cu in sulfidic waters were compared with sample preservation involving the initial oxidation of sulfide with H2O2 or S2O5 2- followed by acidification. Acidification alone was demonstrated to be inadequate and resulted in a significant underestimation of dissolved Cu (losses ranging from 50% to >90%). Similar losses were observed in both polyethylene and Teflon storage bottles. Experiments suggest that losses of copper occur following sample acidification owing to the formation of stable copper sulfide phases which adsorb onto container surfaces. It is therefore recommended that an oxidative pretreatment step is carried out prior to the acidification of porewaters collected for metal analysis. The results of this study suggest that much of the previous data reporting dissolved Cu concentrations in sulfidic waters and porewaters may be in error.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>21651256</pmid><doi>10.1021/ac980006v</doi><tpages>4</tpages></addata></record> |
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| ispartof | Analytical chemistry (Washington), 1998-10, Vol.70 (19), p.4202-4205 |
| issn | 0003-2700 1520-6882 |
| language | eng |
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| source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
| subjects | Chemistry Copper Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Geochemistry Measurement Mineralogy Pollution, environment geology Silicates Water Water geochemistry |
| title | Sample Storage Artifacts Affecting the Measurement of Dissolved Copper in Sulfidic Waters |
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