Determination of Manganese in Natural Media by Anodic Stripping Voltammetry Using a Rotating Solid Silver Amalgam Electrode
Identifieur interne : 000070 ( Main/Exploration ); précédent : 000069; suivant : 000071Determination of Manganese in Natural Media by Anodic Stripping Voltammetry Using a Rotating Solid Silver Amalgam Electrode
Auteurs : Ludovic Lesven [France] ; Silje M. Skogvold [Norvège] ; Øyvind Mikkelsen [Norvège] ; Gabriel Billon [France]Source :
- Electroanalysis [ 1040-0397 ] ; 2009-02.
Descripteurs français
- Wicri :
- topic : Manganèse.
English descriptors
Abstract
Detection of Mn(II) using differential pulse anodic stripping voltammetry (DPASV) on solid silver amalgam electrode is introduced. A well‐defined peak for the oxidation of Mn(0) to Mn(II) was observed around −1.45 V in NH4Cl (0.05 M) solution. Concentrations down to 1 μg/L were measured in NH4Cl (0.05 M) with 900 s deposition time at −1.70 V, and good linearity was observed (r$\rm{ {_{avg}^{2}}}$=0.993) for standard additions in different concentration ranges (1–3 μg/L, 10 μg/L–60 μg/L, and 50 μg/L–250 μg/L). For all measurements relative standard deviation was within 5% (n=9). Interactions between Mn and Cd, Ni, Cu, Pb and Zn were examined, and it was found that lead and nickel significantly interfere, while zinc, cadmium, copper, and mercury did not interfere within reasonable concentration ranges. The method was demonstrated for online detection of manganese in a contaminated river where the Mn(II) concentration varied between 3 and 15 μg/L. The relation between the Mn(II) concentration in the river water and the vessel traffic was observed due to the presence of high concentrations of Mn(II) in anoxic pore waters.
Url:
DOI: 10.1002/elan.200804377
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Skogvold</name></author><author><name sortKey="Mikkelsen, Yvind" sort="Mikkelsen, Yvind" uniqKey="Mikkelsen " first="Øyvind" last="Mikkelsen">Øyvind Mikkelsen</name></author><author><name sortKey="Billon, Gabriel" sort="Billon, Gabriel" uniqKey="Billon G" first="Gabriel" last="Billon">Gabriel Billon</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:19A83D2F5850A1E2FB568F5E05B3ABDA422ECF1C</idno><date when="2009">2009</date><idno type="doi">10.1002/elan.200804377</idno><idno type="url">https://api.istex.fr/document/19A83D2F5850A1E2FB568F5E05B3ABDA422ECF1C/fulltext/pdf</idno><idno type="wicri:Area/Main/Corpus">000A81</idno><idno type="wicri:Area/Main/Curation">000A81</idno><idno type="wicri:Area/Main/Exploration">000070</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Exploration">000070</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Determination of Manganese in Natural Media by Anodic Stripping Voltammetry Using a Rotating Solid Silver Amalgam Electrode</title><author><name sortKey="Lesven, Ludovic" sort="Lesven, Ludovic" uniqKey="Lesven L" first="Ludovic" last="Lesven">Ludovic Lesven</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>University of Lille 1 (USTL), Laboratory Geosystems (UMR‐CNRS 8157), BP59655, Villeneuve d'Ascq</wicri:regionArea><placeName><region type="region" nuts="2">Hauts-de-France</region><region type="old region" nuts="2">Nord-Pas-de-Calais</region><settlement type="city">Villeneuve d'Ascq</settlement></placeName></affiliation></author><author><name sortKey="Skogvold, Silje" sort="Skogvold, Silje" uniqKey="Skogvold S" first="Silje M." last="Skogvold">Silje M. 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A well‐defined peak for the oxidation of Mn(0) to Mn(II) was observed around −1.45 V in NH4Cl (0.05 M) solution. Concentrations down to 1 μg/L were measured in NH4Cl (0.05 M) with 900 s deposition time at −1.70 V, and good linearity was observed (r$\rm{ {_{avg}^{2}}}$=0.993) for standard additions in different concentration ranges (1–3 μg/L, 10 μg/L–60 μg/L, and 50 μg/L–250 μg/L). For all measurements relative standard deviation was within 5% (n=9). Interactions between Mn and Cd, Ni, Cu, Pb and Zn were examined, and it was found that lead and nickel significantly interfere, while zinc, cadmium, copper, and mercury did not interfere within reasonable concentration ranges. The method was demonstrated for online detection of manganese in a contaminated river where the Mn(II) concentration varied between 3 and 15 μg/L. The relation between the Mn(II) concentration in the river water and the vessel traffic was observed due to the presence of high concentrations of Mn(II) in anoxic pore waters.</div></front></TEI><affiliations><list><country><li>France</li><li>Norvège</li></country><region><li>Hauts-de-France</li><li>Nord-Pas-de-Calais</li></region><settlement><li>Villeneuve d'Ascq</li></settlement></list><tree><country name="France"><region name="Hauts-de-France"><name sortKey="Lesven, Ludovic" sort="Lesven, Ludovic" uniqKey="Lesven L" first="Ludovic" last="Lesven">Ludovic Lesven</name></region><name sortKey="Billon, Gabriel" sort="Billon, Gabriel" uniqKey="Billon G" first="Gabriel" last="Billon">Gabriel Billon</name></country><country name="Norvège"><noRegion><name sortKey="Skogvold, Silje" sort="Skogvold, Silje" uniqKey="Skogvold S" first="Silje M." last="Skogvold">Silje M. Skogvold</name></noRegion><name sortKey="Mikkelsen, Yvind" sort="Mikkelsen, Yvind" uniqKey="Mikkelsen " first="Øyvind" last="Mikkelsen">Øyvind Mikkelsen</name><name sortKey="Mikkelsen, Yvind" sort="Mikkelsen, Yvind" uniqKey="Mikkelsen " first="Øyvind" last="Mikkelsen">Øyvind Mikkelsen</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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