AC‐voltammetric determination of the total concentration of nonionic and anionic surfactants in aqueous systems
Identifieur interne : 000970 ( Istex/Corpus ); précédent : 000969; suivant : 000971AC‐voltammetric determination of the total concentration of nonionic and anionic surfactants in aqueous systems
Auteurs : Sylvia Sander ; Günter HenzeSource :
- Electroanalysis [ 1040-0397 ] ; 1997-02.
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- KwdEn :
Abstract
The tensammetric determination of the total concentration of mixtures of nonionic and anionic surfactants is desribed. By taking advantage of the different accumulation behavior of nonionic and anionic surfactants on the surface of the hanging mercury drop electrode (HMDE), it has been possible to determine the total concentration of nonionic surfactants without contribution from anionic surfactants. After subtraction of nonionic surfactant concentration from total, the concentration of anionic surfactants can be determined indirectly. Detection limits of 10 to 100 μg L−1 for single compounds and 100 μg L−1 for mixtures were calculated. Humic acids, relevant complexing reagents (like EDTA) and different cations do not interfere in the determination when they are present in typical concentrations found in surface waters. The method has been applied to several mixtures of surfactants. The possibility of solid‐phase‐extraction (SPE) for sample pretreatment has been investigated.
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DOI: 10.1002/elan.1140090311
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ISTEX:5C29B7C1DD6292793593475EA10C1043B69DBC29Le document en format XML
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By taking advantage of the different accumulation behavior of nonionic and anionic surfactants on the surface of the hanging mercury drop electrode (HMDE), it has been possible to determine the total concentration of nonionic surfactants without contribution from anionic surfactants. After subtraction of nonionic surfactant concentration from total, the concentration of anionic surfactants can be determined indirectly. Detection limits of 10 to 100 μg L−1 for single compounds and 100 μg L−1 for mixtures were calculated. Humic acids, relevant complexing reagents (like EDTA) and different cations do not interfere in the determination when they are present in typical concentrations found in surface waters. The method has been applied to several mixtures of surfactants. The possibility of solid‐phase‐extraction (SPE) for sample pretreatment has been investigated.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Sylvia Sander</name><affiliations><json:string>Department of Chemistry, University of Kaiserslautern, and Laboratories of Inorganic and Analytical Chemistry, University of Trier, P.O. Box 3825, D‐54226 Trier, Germany</json:string></affiliations></json:item><json:item><name>Günter Henze</name><affiliations><json:string>Department of Chemistry, University of Kaiserslautern, and Laboratories of Inorganic and Analytical Chemistry, University of Trier, P.O. Box 3825, D‐54226 Trier, Germany</json:string><json:string>Department of Chemistry, University of Kaiserslautern, and Laboratories of Inorganic and Analytical Chemistry, University of Trier, P.O. 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By taking advantage of the different accumulation behavior of nonionic and anionic surfactants on the surface of the hanging mercury drop electrode (HMDE), it has been possible to determine the total concentration of nonionic surfactants without contribution from anionic surfactants. After subtraction of nonionic surfactant concentration from total, the concentration of anionic surfactants can be determined indirectly. Detection limits of 10 to 100 μg L−1 for single compounds and 100 μg L−1 for mixtures were calculated. Humic acids, relevant complexing reagents (like EDTA) and different cations do not interfere in the determination when they are present in typical concentrations found in surface waters. The method has been applied to several mixtures of surfactants. 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Jehring,Elektrosorptionsanalyse mit der Wechselstrompolarographie,Akademie‐Verlag, Berlin1974.</title></host></json:item><json:item><host><author></author><title>J. Heyrovsky,J. Kuta.Grundlagen der Polarographie,Akademie‐Verlag, Berlin1965.</title></host></json:item><json:item><host><volume>7</volume><author></author><title>A. J. Bard,Electroanalytical Chemistry,Vol. 1,Marcel Dekker, New York1966.</title></host></json:item><json:item><host><volume>7</volume><pages><first>133</first></pages><author></author><title>Anal. Chim. Acta.</title></host></json:item><json:item><host><volume>7</volume><pages><first>85</first></pages><author></author><title>Anal. Chim. Acta.</title></host></json:item><json:item><host><volume>7</volume><pages><first>77</first></pages><author></author><title>Anal. Chim. Acta.</title></host></json:item><json:item><host><volume>7</volume><pages><first>207</first></pages><author></author><title>Anal. Chim. Acta.</title></host></json:item><json:item><host><volume>7</volume><pages><first>215</first></pages><author></author><title>Anal. Chim. Acta.</title></host></json:item><json:item><host><volume>7</volume><pages><first>114</first></pages><author></author><title>Electroanalysis</title></host></json:item><json:item><host><volume>7</volume><pages><first>75</first></pages><author></author><title>J. Electroanal. Chem.</title></host></json:item><json:item><host><volume>7</volume><pages><first>239</first></pages><author></author><title>J. Electroanal. Chem.</title></host></json:item><json:item><host><volume>7</volume><pages><first>193</first></pages><author></author><title>Tenside Surf. 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Box 3825, D‐54226 Trier, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>VCH Verlagsgesellschaft mbH</publisher><place><placeTerm type="text">Weinheim</placeTerm></place><dateIssued encoding="w3cdtf">1997-02</dateIssued><dateCaptured encoding="w3cdtf">1996-06-06</dateCaptured><dateValid encoding="w3cdtf">1996-08-02</dateValid><copyrightDate encoding="w3cdtf">1997</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="figures">4</extent><extent unit="tables">3</extent><extent unit="references">14</extent></physicalDescription><abstract lang="en">The tensammetric determination of the total concentration of mixtures of nonionic and anionic surfactants is desribed. By taking advantage of the different accumulation behavior of nonionic and anionic surfactants on the surface of the hanging mercury drop electrode (HMDE), it has been possible to determine the total concentration of nonionic surfactants without contribution from anionic surfactants. After subtraction of nonionic surfactant concentration from total, the concentration of anionic surfactants can be determined indirectly. Detection limits of 10 to 100 μg L−1 for single compounds and 100 μg L−1 for mixtures were calculated. Humic acids, relevant complexing reagents (like EDTA) and different cations do not interfere in the determination when they are present in typical concentrations found in surface waters. The method has been applied to several mixtures of surfactants. The possibility of solid‐phase‐extraction (SPE) for sample pretreatment has been investigated.</abstract><subject lang="en"><genre>keywords</genre><topic>Surfactants</topic><topic>Tensammetry</topic><topic>Adsorption</topic><topic>Humic acid</topic></subject><relatedItem type="host"><titleInfo><title>Electroanalysis</title></titleInfo><titleInfo type="abbreviated"><title>Electroanalysis</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Feature Aricle</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>1997</date><detail type="volume"><caption>vol.</caption><number>9</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>243</start><end>246</end><total>4</total></extent></part></relatedItem><identifier type="istex">5C29B7C1DD6292793593475EA10C1043B69DBC29</identifier><identifier type="DOI">10.1002/elan.1140090311</identifier><identifier type="ArticleID">ELAN1140090311</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 1997 VCH Verlagsgesellschaft mbH</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>VCH Verlagsgesellschaft mbH</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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