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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 8
BKCSDE 27(8)
August 20, 2006

Title	Determination of Salicylate by Selective Poly(vinylchloride) Membrane Electrode Based on N,N'-1,4-Butylene Bis(3-methyl salicylidene iminato) Copper(II)
Author	M. Mazloum Ardakani*, M. Jamshidpoor, H. Naeimi, A. Heidarnezhad
Keywords	Salicylate, Salicylate-selective electrode, Potentiometry, Ionophore
Abstract	A new salicylate-selective electrode based on the complex N,N'-1,4-butylene bis(3-methyl salicylidene iminato) copper(II) as the membrane carrier was developed. The electrode exhibits a good Nernstian slope of ?59.1 ± 1.0 mV/decade and a linear range of 1.0 × 10^-6-1.0 M for salicylate. The limit of detection was 5.0 × 10^-7 M. It has a fast response time 10 s and can be used for more than three months. The selective coefficients were determined by the fixed interference method (FIM) and could be used in the pH range 4.5-10.5. It was employed as an indicator electrode for direct determination of salicylate in pharmaceutical samples.
Page	1127 - 1132
Full Text	PDF

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