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Title

Synthesis of Nano-Sized Ion Imprinted Polymer and Graphene Composite for Modification of Glassy Carbon Electrode and It's Application in Electrochemical Detection of Zn (II) in Tape Water Sample

Year: 1400
COI: ICCNRT04_112
Language: EnglishView: 75
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Authors

Vali Alizadeh - Department of Petroleum Engineering, Faculty of Engineering, University of Garmsar, Pobox:۳۵۸۱۷۵۵۷۹۶, Garmsar, Iran
Nasrin Behnia - Islamic Azad University Central Tehran Branch, Tehran, Iran
Mehdi Asgari - Technical Department, ARA G. T. Company, Dubai, United Arab Emirates

Abstract:

A selective and sensitive electrochemical sensor was prepared by film coating of Zinc (II) ion imprinted polymer (IIP) nanoparticle and graphene (Gr) composite on glassy carbon electrode (GCE). The prepared electrochemical sensor was applied for the sensitive determination of Zinc (II) ion by square wave anodic stripping voltammetry (SWASV) method. The GCE/IIP-Gr modified electrode showed improved electrochemical behavior as compared to bare GC electrode. An optimum procedure was used for the fixation of Zn(II)-۸-hydroxyquinoline to styrene-ethylene dimethacrylate copolymer and the resultant IIP nanoparticles characterized by Fourier Transform Infrared ( FTIR), thermal gravimetric analysis (TGA), and scanning electron microscopy (SEM). The effects of different experimental variables such as pH, deposition time, and deposition potential were optimized for electrochemical determinations. The resultant IIP showed a selective sorbent for Zinc (II) ion. Gr was applied in construction of as prepared modified electrode, exhibits large surface area, enhanced electron transfer kinetics, and improved Zn (II) ion diffusion. Under the optimal conditions, the resulting calibration curve exhibited a linear response within a concentration range of ۵×۱۰-۱۲ to ۱۵×۱۰-۸ mol/L-۱ with excellent detection limit ۵×۱۰-۱۲mol/L-۱. Finally, the method was successfully applied for the determination of zinc (II) ion in the tape water sample successfully, and the obtained results were verified by inductively coupled plasma (ICP).

Keywords:

Ion Imprinted Polymer , Graphene , Square wave Anodic Stripping Voltammetry , Glassy carbon electrode.

Paper COI Code

This Paper COI Code is ICCNRT04_112. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1290274/

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Alizadeh, Vali and Behnia, Nasrin and Asgari, Mehdi,1400,Synthesis of Nano-Sized Ion Imprinted Polymer and Graphene Composite for Modification of Glassy Carbon Electrode and It's Application in Electrochemical Detection of Zn (II) in Tape Water Sample,4th national Congress of Chemistry and Nanochemistry from Research to Technology,Tehran,https://civilica.com/doc/1290274

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Type of center: دانشگاه دولتی
Paper count: 183
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