Fabrication of Pb(II) Selective Polymeric Membrane Electrode Based on 2,2’[Propane-1,3-Diylbis(Oxy)]Dibenzaldehyde as an Ionophore.
Received Date: Mar 01, 2018 / Accepted Date: Mar 14, 2018 / Published Date: Mar 19, 2018
Abstract
2,2'-[propane-1,3-diylbis(oxy)]dibenzaldehyde has been explored as an ionophore and fabricated in a polyvinylchloride (PVC)-based membrane. The electrode shows excellent potentiometric response characteristics and displays a linear log [Pb(II)] versus emf response over a wide concentration range of 1.2 × 10-7 M to 1.0 × 10-1 M with detection limit 3.3 × 10-8 M and having nernstian slope of 29.06 mV/decade. Potential response remains almost unchanged at pH range of 3.0-8.0. The electrode shows fast response time of <10 s and a lifetime of four months. It shows good selectivity for Pb(II) ions over the other cations. The complexation 2,2'-[propane-1,3- diylbis(oxy)]dibenzaldehyde and Pb(II) cation was studied spectrophotometrically in 1:1 DMF:H2 O mixed solvents. Spectra shows the strong interaction between Ionophore and Pb(II) ion. The electrode can also be used as an indicator electrode in potentiometric titration of Pb(II) ions with standard chromate solution and its determination in real samples.
Keywords: PVC; Ionophore; Lead ions; Nernstian response
Citation: Kaur K, Aulakh JS (2018) Fabrication of Pb(II) Selective Polymeric Membrane Electrode Based on 2,2’[Propane-1,3-Diylbis(Oxy)]Dibenzaldehyde as an Ionophore. J Anal Bioanal Tech 9: 399. Doi: 10.4172/2155-9872.1000399
Copyright: © 2018 Kaur K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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