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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

Mikrochimica acta (1966), 2017-08, Vol.184 (8), p.2759 [Peer Reviewed Journal]

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Title:
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
Author: Qin, Danfeng ; Gao, Shanshuang ; Wang, Le ; Shen, Hangjia ; Yalikun, Nuerbiya ; Sukhrobov, Parviz ; Wagberg, Thomas
Subjects: Cellulose
Is Part Of: Mikrochimica acta (1966), 2017-08, Vol.184 (8), p.2759
Description: The authors describe the preparation of carbon nanofibers (CNFs) with a three-dimensional network structure by one-step carbonization of bacterial cellulose at 800 °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.sup.-1 for both Cd(II) and Pb(II). The detection limits are 0.38 [mu]g·L.sup.-1 for Cd(II) and 0.33 [mu]g·L.sup.-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.
Publisher: Springer
Language: English
Identifier: ISSN: 0026-3672
EISSN: 1436-5073
DOI: 10.1007/s00604-017-2260-x
Source: ProQuest Central

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