Facile Synthesis of a Novel Zr/Fe3O4/GO Nanocomposite and Its Application for Modification of Electrode Surfaces and Voltammetric Determination of Nitrite Ions

A ZrNPs/Fe 3 O 4 /GO nanocomposite was successfully synthesized for the first time with an in-situ method, and its properties were defined by energy-dispersive X-ray spectroscopy, scanning electron microscopy, and powder-XRD techniques. Synthesized nanocomposite was then used as a modifier to prepar...

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Bibliographic Details
Published in:Journal of analytical chemistry (New York, N.Y.) N.Y.), 2023-08, Vol.78 (8), p.1070-1078
Main Authors: Akbari, Arezou, Dehghan, Parvin, Divband, Baharak, Alipour, Esmaeel, Moradi, Amir Hossein
Format: Article
Language:English
Subjects:
Analytical Chemistry
Catalytic activity
Chemistry
Chemistry and Materials Science
Electrodes
Glassy carbon
Iron oxides
Nanocomposites
Oxidation
Voltammetry
Zirconium
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Summary:A ZrNPs/Fe 3 O 4 /GO nanocomposite was successfully synthesized for the first time with an in-situ method, and its properties were defined by energy-dispersive X-ray spectroscopy, scanning electron microscopy, and powder-XRD techniques. Synthesized nanocomposite was then used as a modifier to prepare modified glassy carbon electrodes for the determination of nitrite ions in foodstuffs. Differential pulse voltammetry and cyclic voltammetry studies showed a high catalytic activity of the proposed nanocomposite in nitrite oxidation. In addition, the electrode showed a linear response between 3 and 76 μM, a detection limit of 3 μM, and high selectivity. The synthesized nanocomposite was stable for at least 9 months, and the resultant electrode had similar stability.
ISSN:1061-9348
1608-3199
DOI:10.1134/S1061934823080038