Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/9528
Title: Gold nanoparticle included graphene oxide modified electrode: Picomole detection of metal ions in seawater by stripping voltammetry
Authors: Üstündağ, İ.
Erkal, A.
Koralay, Tamer
Kadıoğlu, Y.K.
Jeon, S.
Keywords: gold nanomaterial
graphene oxide
heavy metal determination
modified electrode
seawater sample
voltammetry
Carbon
Electrodes
Glass membrane electrodes
Gold
Graphene
Heavy metals
Inductively coupled plasma
Metal ions
Metal nanoparticles
Metals
Nanostructured materials
Optical emission spectroscopy
Plasma diagnostics
Scanning electron microscopy
Seawater
Transmission electron microscopy
Voltammetry
X ray photoelectron spectroscopy
Gold nanomaterial
Graphene oxides
Heavy metal determination
Modified electrodes
Seawater samples
Cyclic voltammetry
Publisher: Maik Nauka Publishing / Springer SBM
Abstract: We obtained a gold nanomaterial/graphene oxide-modified glassy carbon electrode and characterized it using transmission electron microscope, scanning electron microscope, cyclic voltammetry (CV), and X-ray photoelectron spectroscopy techniques. A response of the electrode using square wave anodic stripping voltammetry for Pb2+, Cu2+, and Hg2+ was found linear in the range from 1 × 10–7 to 1 × 10–11 M. The detection limits of Pb2+, Cu2+ and Hg2+ were 0.14, 0.5 and 1.2 pM, respectively. The method was applied to the simultaneous determination of Pb2+, Cu2+ and Hg2+ in seawater samples from a coastal region of Anatolia, and the results corresponded well with the values obtained by inductively coupled plasma-optical emission spectroscopy. © 2016, Pleiades Publishing, Ltd.
URI: https://hdl.handle.net/11499/9528
https://doi.org/10.1134/S1061934816070108
ISSN: 1061-9348
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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