Synthesis of N′-(1-Pyridin-2-ylmethylene)-2-furohydrazide and Its Application in Construction of a Highly Selective PVC-Based Membrane Sensor for La(III) Ions

ZAMANI Hassan Ali, GANJALI Mohammad Reza, NOROUZI Parviz, ADIB Mahdi, ACEEDY Mohammad

doi:10.2116/analsci.22.943

Synthesis of N′-(1-Pyridin-2-ylmethylene)-2-furohydrazide and Its Application in Construction of a Highly Selective PVC-Based Membrane Sensor for La(III) Ions

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ZAMANI Hassan Ali

Department of Chemistry, Quchan Branch, Islamic Azad University
GANJALI Mohammad Reza

Department of Chemistry, Tehran University
NOROUZI Parviz

Department of Chemistry, Tehran University
ADIB Mahdi

Department of Chemistry, Tehran University
ACEEDY Mohammad

Department of Chemistry, Tarbiat Modarres University

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タイトル別名

Synthesis of N'-(1-Pyridin-2-ylmethylene)-2-furohydrazide and Its Application in Construction of a Highly Selective PVC-Based Membrane Sensor for La(III) Ions
Synthesis of N 1 Pyridin 2 ylmethylene 2 furohydrazide and Its Application in Construction of a Highly Selective PVC Based Membrane Sensor for La 3 Ions

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A highly La(III) ion-selective PVC membrane sensor based on N′-(1-pyridin-2-ylmethylene)-2-furohydrazide (NPYFH) as an excellent sensing material was successfully developed. The electrode shows a good selectivity for La(III) ion with respect to most common cations including alkali, alkaline earth, transition and heavy metal ions. The proposed sensor exhibits a wide linear response with slope of 19.2 ± 0.6 mV per decade over the concentration range of 1.0 × 10^-6 - 1.0 × 10^-1 M, and a detection limit of 7.0 × 10^-7 M of La(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 La(III) ion with EDTA.