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Issue 3, 2019
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Enhanced performance of organic nanoparticles of a Schiff base for voltammetric sensor of Cu(II) ions in aqueous samples

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Abstract

Organic nanoparticles of (E)-3-((2-aminoethylimino)methyl)-4H-chromen-4-one (IFE) were synthesized in aqueous dispersion by the reprecipitation method with an average particle size of 50–65 nm. They were characterized by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Based on voltammetric measurements, organic nanoparticles of IFE exhibit good response towards sensing and selective detection of Cu(II) ions in aqueous medium. Under optimum conditions, the sensor shows excellent response to Cu(II) even in the presence of other alkali, alkaline earth, and transition metal ions. Differential pulse voltammetry was applied to characterize the optimized electrode and a linear dynamic range from 2.5 × 10−6 to 1.4 × 10−5 mol L−1 with a detection limit of 8.22 × 10−8 mol L−1 was obtained. This system has also been applied as a voltammetric sensor for the determination of Cu(II) ions in various real-life samples.

Graphical abstract: Enhanced performance of organic nanoparticles of a Schiff base for voltammetric sensor of Cu(ii) ions in aqueous samples

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Publication details

The article was received on 13 Oct 2018, accepted on 11 Dec 2018 and first published on 12 Dec 2018


Article type: Paper
DOI: 10.1039/C8AY02242A
Citation: Anal. Methods, 2019,11, 359-366
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    Enhanced performance of organic nanoparticles of a Schiff base for voltammetric sensor of Cu(II) ions in aqueous samples

    S. Kumar, S. K. Mittal and N. Kaur, Anal. Methods, 2019, 11, 359
    DOI: 10.1039/C8AY02242A

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