Determination of trace heavy metals in milk using an ionic liquid and bismuth oxide nanoparticles modified carbon paste electrode
A novel carbon composite electrode modified with bismuth oxide nanoparticles and the ionic liquid n-octylpyridinium hexafluorophosphate was fabricated and used to simultaneously determine cadmium and lead levels using square wave anodic stripping voltammetry. This electrode combines the unique advan...
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| Veröffentlicht in: | Chinese science bulletin 2012-05, Vol.57 (15), p.1781-1787 |
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| container_title | Chinese science bulletin |
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| creator | Ping, JianFeng Wu, Jian Ying, YiBin |
| description | A novel carbon composite electrode modified with bismuth oxide nanoparticles and the ionic liquid n-octylpyridinium hexafluorophosphate was fabricated and used to simultaneously determine cadmium and lead levels using square wave anodic stripping voltammetry. This electrode combines the unique advantages of nanomaterials and ionic liquid with the low cost and easy fabrication of the carbon composite electrode. Compared with the traditional binder based composite electrode, our electrode exhibited well-defined and separate stripping voltammetrie peaks for cadmium and lead. Furthermore, the antifouling capacity of the bismuth film electrode was significantly improved by the ionic liquid. Under optimized conditions, the linear range of the composite electrode was from 3.0 to 30.0 μg L^-1 for both metal ions with a detection limit of 0.15 μg L^-1 for cadmium and 0.21μg L^-1 for lead. Trial milk sample analyses showed that the modified electrode was sensitive, reliable and effective for the determination of trace heavy metals, holding great promise for routine analysis applications. |
| doi_str_mv | 10.1007/s11434-012-5115-1 |
| format | Article |
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This electrode combines the unique advantages of nanomaterials and ionic liquid with the low cost and easy fabrication of the carbon composite electrode. Compared with the traditional binder based composite electrode, our electrode exhibited well-defined and separate stripping voltammetrie peaks for cadmium and lead. Furthermore, the antifouling capacity of the bismuth film electrode was significantly improved by the ionic liquid. Under optimized conditions, the linear range of the composite electrode was from 3.0 to 30.0 μg L^-1 for both metal ions with a detection limit of 0.15 μg L^-1 for cadmium and 0.21μg L^-1 for lead. Trial milk sample analyses showed that the modified electrode was sensitive, reliable and effective for the determination of trace heavy metals, holding great promise for routine analysis applications.</description><identifier>ISSN: 1001-6538</identifier><identifier>EISSN: 1861-9541</identifier><identifier>DOI: 10.1007/s11434-012-5115-1</identifier><language>eng</language><publisher>Heidelberg: Springer-Verlag</publisher><subject>bismuth ; Bismuth oxides ; Cadmium ; Carbon ; Chemistry/Food Science ; detection limit ; Earth Sciences ; Electrodes ; Engineering ; Heavy metals ; Humanities and Social Sciences ; Ionic liquids ; lead ; Life Sciences ; metal ions ; Milk ; multidisciplinary ; Nanoparticles ; Physics ; Science ; Science (multidisciplinary) ; 修饰碳糊电极 ; 同时测定 ; 微量重金属 ; 氧化铋 ; 牛奶样品 ; 碳纤维复合材料 ; 离子液体 ; 纳米粒子</subject><ispartof>Chinese science bulletin, 2012-05, Vol.57 (15), p.1781-1787</ispartof><rights>The Author(s) 2012</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c414t-bc847e3c16689e589191c412dbb37cca0f59e660bc6808a44213e2038161ccc63</citedby><cites>FETCH-LOGICAL-c414t-bc847e3c16689e589191c412dbb37cca0f59e660bc6808a44213e2038161ccc63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/86894X/86894X.jpg</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ping, JianFeng</creatorcontrib><creatorcontrib>Wu, Jian</creatorcontrib><creatorcontrib>Ying, YiBin</creatorcontrib><title>Determination of trace heavy metals in milk using an ionic liquid and bismuth oxide nanoparticles modified carbon paste electrode</title><title>Chinese science bulletin</title><addtitle>Chin. Sci. Bull</addtitle><addtitle>Chinese Science Bulletin</addtitle><description>A novel carbon composite electrode modified with bismuth oxide nanoparticles and the ionic liquid n-octylpyridinium hexafluorophosphate was fabricated and used to simultaneously determine cadmium and lead levels using square wave anodic stripping voltammetry. This electrode combines the unique advantages of nanomaterials and ionic liquid with the low cost and easy fabrication of the carbon composite electrode. Compared with the traditional binder based composite electrode, our electrode exhibited well-defined and separate stripping voltammetrie peaks for cadmium and lead. Furthermore, the antifouling capacity of the bismuth film electrode was significantly improved by the ionic liquid. Under optimized conditions, the linear range of the composite electrode was from 3.0 to 30.0 μg L^-1 for both metal ions with a detection limit of 0.15 μg L^-1 for cadmium and 0.21μg L^-1 for lead. Trial milk sample analyses showed that the modified electrode was sensitive, reliable and effective for the determination of trace heavy metals, holding great promise for routine analysis applications.</description><subject>bismuth</subject><subject>Bismuth oxides</subject><subject>Cadmium</subject><subject>Carbon</subject><subject>Chemistry/Food Science</subject><subject>detection limit</subject><subject>Earth Sciences</subject><subject>Electrodes</subject><subject>Engineering</subject><subject>Heavy metals</subject><subject>Humanities and Social Sciences</subject><subject>Ionic liquids</subject><subject>lead</subject><subject>Life Sciences</subject><subject>metal ions</subject><subject>Milk</subject><subject>multidisciplinary</subject><subject>Nanoparticles</subject><subject>Physics</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>修饰碳糊电极</subject><subject>同时测定</subject><subject>微量重金属</subject><subject>氧化铋</subject><subject>牛奶样品</subject><subject>碳纤维复合材料</subject><subject>离子液体</subject><subject>纳米粒子</subject><issn>1001-6538</issn><issn>1861-9541</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9kU1v1DAQhi1EJcrCD-CEuXEJeGzHcY6ofEqVeqA9W44z2XVJ7F3bQe2Rf45XqThy8ozmfefjMSFvgH0AxrqPGUAK2TDgTQvQNvCMXIJW0PSthOc1Zgwa1Qr9grzM-b5mAjp-Sf58xoJp8cEWHwONEy3JOqQHtL8f6YLFzpn6QBc__6Jr9mFPbaBV6h2d_Wn1Y81HOvi8rOVA44MfkQYb4tGm4t2MmS5x9JPHkTqbhjrjaHNBijO6kuKIr8jFVIfg66d3R-6-frm9-t5c33z7cfXpunESZGkGp2WHwoFSusdW99BDrfBxGETnnGVT26NSbHBKM22l5CCQM6FBgXNOiR15v_U9pnhaMRez-Oxwnm3AuGYDTIAQsq2QdgQ2qUsx54STOSa_2PRYReaM22y4TcVtzrgNVA_fPLlqwx6TuY9rCvWi_5rebqbJRmP3yWdz95MzkPV_mObyrHj3tMohhv2pdv63iwTNWaeE-AvkdZhB</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Ping, JianFeng</creator><creator>Wu, Jian</creator><creator>Ying, YiBin</creator><general>Springer-Verlag</general><general>SP Science China Press</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>FBQ</scope><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20120501</creationdate><title>Determination of trace heavy metals in milk using an ionic liquid and bismuth oxide nanoparticles modified carbon paste electrode</title><author>Ping, JianFeng ; 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Sci. Bull</stitle><addtitle>Chinese Science Bulletin</addtitle><date>2012-05-01</date><risdate>2012</risdate><volume>57</volume><issue>15</issue><spage>1781</spage><epage>1787</epage><pages>1781-1787</pages><issn>1001-6538</issn><eissn>1861-9541</eissn><abstract>A novel carbon composite electrode modified with bismuth oxide nanoparticles and the ionic liquid n-octylpyridinium hexafluorophosphate was fabricated and used to simultaneously determine cadmium and lead levels using square wave anodic stripping voltammetry. This electrode combines the unique advantages of nanomaterials and ionic liquid with the low cost and easy fabrication of the carbon composite electrode. Compared with the traditional binder based composite electrode, our electrode exhibited well-defined and separate stripping voltammetrie peaks for cadmium and lead. Furthermore, the antifouling capacity of the bismuth film electrode was significantly improved by the ionic liquid. 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| subjects | bismuth Bismuth oxides Cadmium Carbon Chemistry/Food Science detection limit Earth Sciences Electrodes Engineering Heavy metals Humanities and Social Sciences Ionic liquids lead Life Sciences metal ions Milk multidisciplinary Nanoparticles Physics Science Science (multidisciplinary) 修饰碳糊电极 同时测定 微量重金属 氧化铋 牛奶样品 碳纤维复合材料 离子液体 纳米粒子 |
| title | Determination of trace heavy metals in milk using an ionic liquid and bismuth oxide nanoparticles modified carbon paste electrode |
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