Electroanalytical Device for Cadmium Speciation in Waters. Part 1: Development and Characterization of a Reliable Screen‐Printed Sensor
Identifieur interne : 000191 ( Main/Corpus ); précédent : 000190; suivant : 000192Electroanalytical Device for Cadmium Speciation in Waters. Part 1: Development and Characterization of a Reliable Screen‐Printed Sensor
Auteurs : Olivier Zaouak ; Laurent Authier ; Cyril Cugnet ; Alain Castetbon ; Martine Potin‐GautierSource :
- Electroanalysis [ 1040-0397 ] ; 2010-06.
English descriptors
Abstract
A reliable screen‐printed sensor for cadmium speciation analysis is presented here. Its development has been focused on the achievement of a reproducible and repeatable sensor. The electrode construction and its surface coating are discussed in detail. The optimized procedure has permitted to obtain very accurate sensors with detection limit of 0.2 μg (Cd) L−1 using SWASV for only 60 s of deposition time. The electrochemically accessible, i.e. potentially bioavailable, fraction of the cadmium present in an untreated river water sample has been successfully quantified without degassing. These results give a glimpse of the potential of this membrane‐free sensor in real matrices.
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DOI: 10.1002/elan.200900474
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ISTEX:D8CF94BDAD41C3EB438C621537C2556213347DD9Le document en format XML
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Part 1: Development and Characterization of a Reliable Screen‐Printed Sensor</title></titleInfo><name type="personal"><namePart type="given">Olivier</namePart><namePart type="family">Zaouak</namePart><affiliation>Université de Pau et des Pays de l'Adour/CNRS, Laboratoire de Chimie Analytique et Bio‐Inorganique UMR 5254 IPREM, 2 avenue Angot, 64053 PAU Cedex 9, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Laurent</namePart><namePart type="family">Authier</namePart><affiliation>E-mail: laurent.authier@univ‐pau.fr</affiliation><affiliation>Université de Pau et des Pays de l'Adour/CNRS, Laboratoire de Chimie Analytique et Bio‐Inorganique UMR 5254 IPREM, 2 avenue Angot, 64053 PAU Cedex 9, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Cyril</namePart><namePart type="family">Cugnet</namePart><affiliation>Université de Pau et des Pays de l'Adour/CNRS, Laboratoire de Chimie Analytique et Bio‐Inorganique UMR 5254 IPREM, 2 avenue Angot, 64053 PAU Cedex 9, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Alain</namePart><namePart type="family">Castetbon</namePart><affiliation>Université de Pau et des Pays de l'Adour/CNRS, Laboratoire de Chimie Analytique et Bio‐Inorganique UMR 5254 IPREM, 2 avenue Angot, 64053 PAU Cedex 9, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Martine</namePart><namePart type="family">Potin‐Gautier</namePart><affiliation>Université de Pau et des Pays de l'Adour/CNRS, Laboratoire de Chimie Analytique et Bio‐Inorganique UMR 5254 IPREM, 2 avenue Angot, 64053 PAU Cedex 9, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre authority="originalCategForm">article</genre><originInfo><publisher>WILEY‐VCH Verlag</publisher><place><placeTerm type="text">Weinheim</placeTerm></place><dateIssued encoding="w3cdtf">2010-06</dateIssued><dateCaptured encoding="w3cdtf">2009-09-25</dateCaptured><dateValid encoding="w3cdtf">2010-01-04</dateValid><copyrightDate encoding="w3cdtf">2010</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="references">32</extent></physicalDescription><abstract lang="en">A reliable screen‐printed sensor for cadmium speciation analysis is presented here. Its development has been focused on the achievement of a reproducible and repeatable sensor. The electrode construction and its surface coating are discussed in detail. The optimized procedure has permitted to obtain very accurate sensors with detection limit of 0.2 μg (Cd) L−1 using SWASV for only 60 s of deposition time. The electrochemically accessible, i.e. potentially bioavailable, fraction of the cadmium present in an untreated river water sample has been successfully quantified without degassing. These results give a glimpse of the potential of this membrane‐free sensor in real matrices.</abstract><subject lang="en"><genre>Keywords</genre><topic>Stripping voltammetry</topic><topic>Screen‐printed electrode</topic><topic>Cadmium</topic><topic>Speciation</topic><topic>Real sample</topic><topic>Sensors</topic></subject><relatedItem type="host"><titleInfo><title>Electroanalysis</title><subTitle>An International Journal Devoted to Fundamental and Practical Aspects of Electroanalysis</subTitle></titleInfo><titleInfo type="abbreviated"><title>Electroanalysis</title></titleInfo><subject><genre>article category</genre><topic>Full Paper</topic></subject><identifier type="ISSN">1040-0397</identifier><identifier type="eISSN">1521-4109</identifier><identifier type="DOI">10.1002/(ISSN)1521-4109</identifier><identifier type="PublisherID">ELAN</identifier><part><date>2010</date><detail type="volume"><caption>vol.</caption><number>22</number></detail><detail type="issue"><caption>no.</caption><number>11</number></detail><extent unit="pages"><start>1151</start><end>1158</end><total>8</total></extent></part></relatedItem><identifier type="istex">D8CF94BDAD41C3EB438C621537C2556213347DD9</identifier><identifier type="DOI">10.1002/elan.200900474</identifier><identifier type="ArticleID">ELAN200900474</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2010 WILEY‐VCH Verlag GmbH & Co. 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