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- E-ISSN 2288-8985
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- P-ISSN1225-0163
- E-ISSN2288-8985
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Determination of Copper(II) ion with a nafion-ethylenediamine modified glassy carbon electrode
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2007, v.20 no.3, pp.213-218
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(2007). Determination of Copper(II) ion with a nafion-ethylenediamine modified glassy carbon electrode. Analytical Science and Technology, 20(3), 213-218.
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Abstract
Copper(II) ion was measured with the use of a perfluorinated sulfonated polymer-ethylenediamine (nafion-en) modified glassy carbon electrode. The electrode mechanism was based on the chemical reactivity of an immobilized layer (nafion-en) to yield complex <TEX>$[Cu(en)_2]^{+2}$</TEX>. The reduction potential peak by differential pulse voltammetry(DPV) was observed at -0.4402V(<TEX>${\pm}0.0050V$</TEX>) (vs. Ag/AgCl). The linear calibration curve was obtained from <TEX>$1.0{\times}10^{-6}$</TEX> to <TEX>$1.0{\times}10^{-4}M$</TEX> copper(II) ion concentration, and the detection limit(3s) was <TEX>$1.96{\times}10^{-6}M$</TEX>.
- keywords
- copper(II) ion, nafion-ethylenediamine modified glassy carbon electrode, differential pulse voltammetry
Reference
1
M. Camptull, (1987) “Sensor Systems for Environmental”Monitoring,
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