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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 10
BKCSDE 27(10)
October 20, 2006 

Highly Copper(II)-selective PVC Membrane Based on a Schiff Base Complex of N,N'-Bis-pyridin-2-ylmethylene-naphthalene-1,8-diamine as an Ionophore
Dae-Cheol Jeong, Hyo Kyoung Lee, Seungwon Jeon*
Polymeric membrane electrode, N,N'-Bis-pyridin-2-ylmethylene-naphthalene-1,8-diamine, Ionophore, Copper-selective electrode
The polymeric membrane electrodes based on N,N'-bis-pyridin-2-ylmethylene-naphthalene-1,8-diamine as an ion carrier were prepared and tested for the copper-ion selective electrode. The membrane has a linear dynamic range between 10-6 and 10-2 M with a Nernstian slope of 29.6 mV per decade, and its detection limit was 10-5.62 M. The potentiometric response is independent of the pH range of 3-5. The proposed electrode showed good selectivity and response for Cu2+ over a wide variety of other metal ions in pH 4.0 buffer solutions.
1593 - 1596
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