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Construction of a highly selective PVC-based membrane sensor for Ce(III) ions by Hassan Ali Zamani; Mohammad Reza Ganjali; Mahdi Adib is a Engineering article available to read on EtoBox.

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A highly Ce(III) ion-selective poly vinyl chloride (PVC) membrane sensor based on N -[(2-hydroxyphenyl)methylidene]-2-furohydrazide (NHMF) as an excellent sensing material is successfully developed. The electrode shows a good selectivity for Ce(III) ions with respect to most common cations including alkali, alkaline earth, transition and heavy metal ions. The proposed sensor exhibits a wide linear response with a slope of 19.4 ± 0.3 mV/decade over the concentration range of 1.0 × 10 -5 to 1.0 × 10 -1 M, and a detection limit of 7.6 × 10 -6 M of Ce(III) ions. The sensor response is independent of pH in the range of 3.5-10.0. The proposed electrode was applied as an indicator electrode in potentiometric titration of Ce(III) ions with EDTA and C 2 O 4 2 . It was also successfully applied in the determination of cerium ions in aqueous samples.

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Author

Hassan Ali Zamani; Mohammad Reza Ganjali; Mahdi Adib

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0925-4005)

Published

2007

Language

EN

Field

Engineering (Physical Sciences)