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Reference type: Journal
Authors: Prasad K, Kala R, Rao TP, Naidu GRK
Article Title: Ion imprinted polymer based ion-selective electrode for the trace determination of dysprosium(III) ions.
Publication date: 2006
Journal: Analytica Chimica Acta
Volume: 566
Issue: (1)
Page numbers: 69-74.
DOI: 10.1016/j.aca.2006.02.064
Alternative URL: http://www.sciencedirect.com/science/article/B6TF4-4JDTKVN-3/2/e45f61ebe0a2a921e80655e52beea91f

Abstract: Ion-selective electrode (ISE) was designed by dispersing the dysprosium(III) IIP particles in 2-nitrophenyloctyl ether plasticizer and then embedded in polyvinyl chloride matrix. The ISE shows a Nernstian response for dysprosium(III) over a wide concentration range (8.0 x 10-6 to 1.0 x 10-1 M) with a slope of 21.7 mV per decade. The limit of detection was 2 x 10-6 M. This sensor has a very fast response time (~10 s) and offers high selectivity compared to conventional chemical sensors towards dysprosium(III) with respect to several alkali, alkaline earth and transition metal ions as the selectivity is 10-100-fold better. The sensor was used for determination of dysprosium(III) ions by potentiometric (EDTA) titration and has been successfully demonstrated for the determination of fluoride in mouth wash solution
Template and target information: dysposium ion, Dy(III)
Author keywords: ion imprinted polymer particles, Ion-selective electrode, Dysprosium(III), Fluoride, Mouthwash


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