New Method for Application of the Water-Soluble Dye SPADNS in a Carbon Paste Electrode for Determination of Trace Amounts of Copper
2-(P-sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfate (SPADNS) was adsorbed on surfactant modified zeolite type A by electrostatic interaction in the aqueous phase. The dye was strongly retained and not easily leached from the surfactant-modified zeolite matrix. This compound was incorporated...
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| Veröffentlicht in: | Journal of AOAC International 2008-11, Vol.91 (6), p.1478-1482 |
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| container_title | Journal of AOAC International |
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| creator | Rohani, Tahereh Taher, Mohammad Ali |
| description | 2-(P-sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfate (SPADNS) was adsorbed on surfactant modified zeolite type A by electrostatic interaction in the aqueous phase. The dye was strongly retained and not easily leached from the surfactant-modified zeolite matrix. This compound was incorporated into a carbon paste electrode for anodic stripping voltammetric determination of trace amounts of copper. The calibration plot was linear over the copper concentration range 2.0-800 μg/L. The detection limit was found to be 0.4 μg/L Cu(II), and for 5 successive determinations of 50 and 150 μg/L Cu(II) the relative standard deviations were 1.6 and 1.2%, respectively. The modified electrode prepared in this study could be used for the determination of Cu(II) in water samples and human hair with good results. |
| doi_str_mv | 10.1093/jaoac/91.6.1478 |
| format | Article |
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The dye was strongly retained and not easily leached from the surfactant-modified zeolite matrix. This compound was incorporated into a carbon paste electrode for anodic stripping voltammetric determination of trace amounts of copper. The calibration plot was linear over the copper concentration range 2.0-800 μg/L. The detection limit was found to be 0.4 μg/L Cu(II), and for 5 successive determinations of 50 and 150 μg/L Cu(II) the relative standard deviations were 1.6 and 1.2%, respectively. The modified electrode prepared in this study could be used for the determination of Cu(II) in water samples and human hair with good results.</description><identifier>ISSN: 1060-3271</identifier><identifier>EISSN: 1944-7922</identifier><identifier>DOI: 10.1093/jaoac/91.6.1478</identifier><identifier>PMID: 19202811</identifier><language>eng</language><publisher>Gaithersburg, MD: AOAC International</publisher><subject>analytical methods ; Arsenicals - chemistry ; Azo Compounds - chemistry ; beverages ; Biological and medical sciences ; Calibration ; Carbon - chemistry ; Chemical properties ; Coloring Agents - chemistry ; copper ; Copper - analysis ; Copper in the body ; dietary exposure ; dietary minerals ; dye binding ; Dyes and dyeing ; Electrochemistry ; Electrodes ; Electrodes, Carbon ; environmental exposure ; food analysis ; Food industries ; Fundamental and applied biological sciences. Psychology ; Hair - chemistry ; Humans ; Identification and classification ; Indicators and Reagents ; Mass Spectrometry ; new methods ; nutrient excess ; quantitative analysis ; Solutions ; toxic substances ; Water Supply - analysis</subject><ispartof>Journal of AOAC International, 2008-11, Vol.91 (6), p.1478-1482</ispartof><rights>2009 INIST-CNRS</rights><rights>COPYRIGHT 2008 Oxford University Press</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c416t-c07ca09225cfe984965be5ea435334d520803ce196cb46e9437eb905b45901c43</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21002251$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19202811$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rohani, Tahereh</creatorcontrib><creatorcontrib>Taher, Mohammad Ali</creatorcontrib><title>New Method for Application of the Water-Soluble Dye SPADNS in a Carbon Paste Electrode for Determination of Trace Amounts of Copper</title><title>Journal of AOAC International</title><addtitle>J AOAC Int</addtitle><description>2-(P-sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfate (SPADNS) was adsorbed on surfactant modified zeolite type A by electrostatic interaction in the aqueous phase. The dye was strongly retained and not easily leached from the surfactant-modified zeolite matrix. This compound was incorporated into a carbon paste electrode for anodic stripping voltammetric determination of trace amounts of copper. The calibration plot was linear over the copper concentration range 2.0-800 μg/L. The detection limit was found to be 0.4 μg/L Cu(II), and for 5 successive determinations of 50 and 150 μg/L Cu(II) the relative standard deviations were 1.6 and 1.2%, respectively. The modified electrode prepared in this study could be used for the determination of Cu(II) in water samples and human hair with good results.</description><subject>analytical methods</subject><subject>Arsenicals - chemistry</subject><subject>Azo Compounds - chemistry</subject><subject>beverages</subject><subject>Biological and medical sciences</subject><subject>Calibration</subject><subject>Carbon - chemistry</subject><subject>Chemical properties</subject><subject>Coloring Agents - chemistry</subject><subject>copper</subject><subject>Copper - analysis</subject><subject>Copper in the body</subject><subject>dietary exposure</subject><subject>dietary minerals</subject><subject>dye binding</subject><subject>Dyes and dyeing</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Electrodes, Carbon</subject><subject>environmental exposure</subject><subject>food analysis</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hair - chemistry</subject><subject>Humans</subject><subject>Identification and classification</subject><subject>Indicators and Reagents</subject><subject>Mass Spectrometry</subject><subject>new methods</subject><subject>nutrient excess</subject><subject>quantitative analysis</subject><subject>Solutions</subject><subject>toxic substances</subject><subject>Water Supply - analysis</subject><issn>1060-3271</issn><issn>1944-7922</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkc1r3DAQxU1padK0595aQWlv3p2x5A8dzW76AWka2IQehSyPEwfbciSbknP-8cjZJaVQdJAYfu_xRi-K3iOsECRf32qrzVriKluhyIsX0TFKIeJcJsnL8IYMYp7keBS98f4WQGAGyevoCGUCSYF4HD2c0x_2k6YbW7PGOlaOY9caPbV2YLZh0w2x33oiF-9sN1cdse09sd1FuT3fsXZgmm20qwJ7of1E7LQjMzlb05PXloKwb4dnt0unDbGyt_Mw-WWwseNI7m30qtGdp3eH-yS6-np6ufken_369mNTnsUm5J5iA7nREDZLTUOyEDJLK0pJC55yLuo0gQK4IZSZqURGUvCcKglpJVIJaAQ_ib7sfUdn72byk-pbb6jr9EB29irLsjznyQJ-2oPXuiPVDo2dQvIFViVKLNIcCgzU6j9UODX1rbEDNW2Y_yNY7wXGWe8dNWp0ba_dvUJQS53qqU4lUWVqqTMoPhwSz1VP9V_-0F8APh8A7Y3uGqcH0_pnLkGA8F8L93HPNdoqfe0Cc7VLADlgKjGHlD8CK2ivVA</recordid><startdate>20081101</startdate><enddate>20081101</enddate><creator>Rohani, Tahereh</creator><creator>Taher, Mohammad Ali</creator><general>AOAC International</general><general>Oxford University Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20081101</creationdate><title>New Method for Application of the Water-Soluble Dye SPADNS in a Carbon Paste Electrode for Determination of Trace Amounts of Copper</title><author>Rohani, Tahereh ; Taher, Mohammad Ali</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c416t-c07ca09225cfe984965be5ea435334d520803ce196cb46e9437eb905b45901c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>analytical methods</topic><topic>Arsenicals - chemistry</topic><topic>Azo Compounds - chemistry</topic><topic>beverages</topic><topic>Biological and medical sciences</topic><topic>Calibration</topic><topic>Carbon - chemistry</topic><topic>Chemical properties</topic><topic>Coloring Agents - chemistry</topic><topic>copper</topic><topic>Copper - analysis</topic><topic>Copper in the body</topic><topic>dietary exposure</topic><topic>dietary minerals</topic><topic>dye binding</topic><topic>Dyes and dyeing</topic><topic>Electrochemistry</topic><topic>Electrodes</topic><topic>Electrodes, Carbon</topic><topic>environmental exposure</topic><topic>food analysis</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hair - chemistry</topic><topic>Humans</topic><topic>Identification and classification</topic><topic>Indicators and Reagents</topic><topic>Mass Spectrometry</topic><topic>new methods</topic><topic>nutrient excess</topic><topic>quantitative analysis</topic><topic>Solutions</topic><topic>toxic substances</topic><topic>Water Supply - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rohani, Tahereh</creatorcontrib><creatorcontrib>Taher, Mohammad Ali</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of AOAC International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rohani, Tahereh</au><au>Taher, Mohammad Ali</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New Method for Application of the Water-Soluble Dye SPADNS in a Carbon Paste Electrode for Determination of Trace Amounts of Copper</atitle><jtitle>Journal of AOAC International</jtitle><addtitle>J AOAC Int</addtitle><date>2008-11-01</date><risdate>2008</risdate><volume>91</volume><issue>6</issue><spage>1478</spage><epage>1482</epage><pages>1478-1482</pages><issn>1060-3271</issn><eissn>1944-7922</eissn><abstract>2-(P-sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfate (SPADNS) was adsorbed on surfactant modified zeolite type A by electrostatic interaction in the aqueous phase. The dye was strongly retained and not easily leached from the surfactant-modified zeolite matrix. This compound was incorporated into a carbon paste electrode for anodic stripping voltammetric determination of trace amounts of copper. The calibration plot was linear over the copper concentration range 2.0-800 μg/L. The detection limit was found to be 0.4 μg/L Cu(II), and for 5 successive determinations of 50 and 150 μg/L Cu(II) the relative standard deviations were 1.6 and 1.2%, respectively. The modified electrode prepared in this study could be used for the determination of Cu(II) in water samples and human hair with good results.</abstract><cop>Gaithersburg, MD</cop><pub>AOAC International</pub><pmid>19202811</pmid><doi>10.1093/jaoac/91.6.1478</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1060-3271 |
| ispartof | Journal of AOAC International, 2008-11, Vol.91 (6), p.1478-1482 |
| issn | 1060-3271 1944-7922 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_66677324 |
| source | Oxford University Press Journals All Titles (1996-Current); MEDLINE |
| subjects | analytical methods Arsenicals - chemistry Azo Compounds - chemistry beverages Biological and medical sciences Calibration Carbon - chemistry Chemical properties Coloring Agents - chemistry copper Copper - analysis Copper in the body dietary exposure dietary minerals dye binding Dyes and dyeing Electrochemistry Electrodes Electrodes, Carbon environmental exposure food analysis Food industries Fundamental and applied biological sciences. Psychology Hair - chemistry Humans Identification and classification Indicators and Reagents Mass Spectrometry new methods nutrient excess quantitative analysis Solutions toxic substances Water Supply - analysis |
| title | New Method for Application of the Water-Soluble Dye SPADNS in a Carbon Paste Electrode for Determination of Trace Amounts of Copper |
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