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Iodide-selective polymeric membrane electrode based on copper(II) bis(N-2-bromophenylsalicyldenaminato) complex

✍ Scribed by Ali Benvidi; M.T. Ghanbarzadeh; M. Mazloum-Ardakani; R. Vafazadeh

Publisher: Chinese Electronic Periodical Services
Year: 2011
Tongue: English
Weight: 121 KB
Volume: 22
Category: Article
ISSN: 1001-8417
DOI: 10.1016/j.cclet.2011.03.008

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✦ Synopsis

A PVC membrane electrode based on copper(II) bis(N-2-bromophenylsalicyldenaminato) as ionophor was prepared. The ion selective electrode was tested by inorganic anions and showed a good selectivity for iodide ion. This sensor exhibited Nernstian behavior with a slope of À57.8 mV per decade at 25 8C. The proposed electrode showed a linear range from 1.0 Â 10 À5 to 1.0 Â 10 À1 mol/L with a detection limit of 5.0 Â 10 À6 mol/L. The electrode response was independent of pH in the range of 3.0-10.0. The proposed sensor was applied to determine the iodide in water and antiseptic samples.

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