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Issue 17, 2018
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Electrochemical detection of Cu(II) using amino-functionalized MgFe2O4/Reduced graphene oxide composite

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Abstract

In this study, an amino-functionalized MgFe2O4/reduced graphene oxide (rGO) composite was prepared by the combination of MgFe2O4/rGO and 1,6-hexanediamine (HDA) and employed for the electrochemical detection of Cu(II) ions. The composite was obtained through a one-pot method, and it was characterized by SEM, XRD, FT-IR and electrochemical methods. Some important parameters such as pH of solution, amount of modification, deposition time, and deposition potential were optimized. The determination of Cu(II) ions was performed using HDA/rGO/MgFe2O4, rGO/MgFe2O4 and MgFe2O4via square-wave anodic stripping voltammetry. The lowest detection limit obtained was 0.2 nM, and the sensitivity was 0.0172 μA nM−1. The proposed electrode was also used for the detection of Cu(II) ions in soil sample. Overall, the proposed method could provide a reference for the detection of metal ions.

Graphical abstract: Electrochemical detection of Cu(ii) using amino-functionalized MgFe2O4/Reduced graphene oxide composite

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Publication details

The article was received on 01 Mar 2018, accepted on 06 Apr 2018 and first published on 06 Apr 2018


Article type: Paper
DOI: 10.1039/C8AY00452H
Citation: Anal. Methods, 2018,10, 2026-2033
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    Electrochemical detection of Cu(II) using amino-functionalized MgFe2O4/Reduced graphene oxide composite

    J. Xu, Z. Li, X. Yue, F. Xie and S. Xiong, Anal. Methods, 2018, 10, 2026
    DOI: 10.1039/C8AY00452H

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