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Three-dimensional carbon nanofiber derived from bacterial cellulose for use in a Nafion matrix on a glassy carbon electrode for simultaneous voltammetric determination of trace levels of Cd(II) and Pb(II)
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2017 (English)In: Microchimica Acta, ISSN 0026-3672, E-ISSN 1436-5073, Vol. 184, no 8, 2759-2766 p.Article in journal (Refereed) Published
Abstract [en]

The authors describe the preparation of carbon nanofibers (CNFs) with a three-dimensional network structure by one-step carbonization of bacterial cellulose at 800 degrees C. The 3D CNFs wrapped with Nafion polymer were cast on a glassy carbon electrode (GCE) which then enables sensitive detection of Cd(II) and Pb(II). Under optimized conditions and at typical stripping peaks of around -0.80 and -0.55 V (vs Ag/AgCl), the electrode exhibits high sensitivity and a wide analytical range of 2-100 mu g.L-1 for both Cd(II) and Pb(II). The detection limits are 0.38 mu g.L-1 for Cd(II) and 0.33 mu g.L-1 for Pb(II), respectively. The modified GCE was successfully employed to the determination of trace amounts of Cd(II) and Pb(II) in both tap water and waste water.

Place, publisher, year, edition, pages
SPRINGER WIEN , 2017. Vol. 184, no 8, 2759-2766 p.
Keyword [en]
Green material, Bacterial fermentation, Freeze drying, Carbon materials, Immobilization, Scanning ectron microscopy, X-ray photoelectron spectroscopy, Electroanalysis, Heavy metals, Water analysis
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-138207DOI: 10.1007/s00604-017-2260-xISI: 000406066500030OAI: oai:DiVA.org:umu-138207DiVA: diva2:1134795
Available from: 2017-08-21 Created: 2017-08-21 Last updated: 2017-08-21Bibliographically approved

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Wågberg, ThomasHu, Guangzhi
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Citation style
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