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Functionalized Nanoporous Track Etched {beta}-PVDF Membrane Electrodes for Lead (II) Determination by Square Wave Anodic Stripping Voltammetry

Abstract

Track etched functionalized nanoporous {beta}-PVDF membrane electrodes, or functionalized membrane electrodes (FME), are thin-layer cells made from poly(acrylic acid) (PAA) functionalized nanoporous {beta}-poly(vinylidene fluoride) ({beta}-PVDF) membranes with thin Au films sputtered on each side as electrodes. The Au film is thin enough that the pores of the membranes are not completely covered. The PAA functionalization is specifically localised in the walls of the nanoporous {beta}-PVDF membrane by grafting. The PAA is a cation exchange polymer that adsorbs metal ions, such as Pb{sup 2+}, from aqueous solutions concentrating the ions into the membrane. After a time the FME is transferred to an electrochemical cell for analysis. A negative potential is applied to the Au film of the FME for a set time to reduce the adsorbed ions onto the Au film working electrode. The other metalized side of the FME functions as a counter electrode. Finally, square-wave anodic stripping voltammetry (SW-ASV) is performed on the FME to determine the metal ion concentrations in the original solution. The calibration curve of charge versus log concentration has a Temkin isotherm form. The FME membranes are 9 {mu}m thick and have 40 nm diameter pores with a density of 10{sup 10} pores/cm{sup 2}. This  More>>
Authors:
Bessbousse, H; [1]  Nadhakumar, I; [2]  Decker, M; Clochard, M -C; Wade, T L; [1]  Barsbay, M [3] 
  1. Laboratoire des Solides Irradies, CEA-CNRS-Ecole Polytechnique, 91128 Palaiseau (France)
  2. School of Chemistry, University of Southampton, University Road, Southampton S017 1BJ (United Kingdom)
  3. Hacettepe University, Department of Chemistry, Polymer Chemistry Division, 06800 Beytepe Ankara (Turkey)
Publication Date:
Sep 15, 2012
Product Type:
Book
Resource Relation:
Other Information: 9 figs, 38 refs; Related Information: In: Development of Novel Adsorbents and Membranes by Radiation-induced Grafting for Selective Separation in Environmental and Industrial Applications| 290 p.
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY; ACRYLIC ACID; ADSORPTION; AQUEOUS SOLUTIONS; DENSITY; ELECTRODES; FLUORINATED ALIPHATIC HYDROCARBONS; ION EXCHANGE; MEMBRANES; NANOSTRUCTURES; PARTITION; POLYVINYLS; SENSITIVITY; SPUTTERING; STRIPPING; SURFACES; THIN FILMS; VOLTAMETRY
OSTI ID:
22012224
Research Organizations:
International Atomic Energy Agency, Industrial Applications and Chemistry Section, Vienna (Austria)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
Other: ISSN 2225-8833; ISBN 978-92-0-134010-8; TRN: XA12N1784099325
Availability:
Also available on-line: http://www-pub.iaea.org/MTCD/Publications/PDF/P1572_web.pdf; Enquiries should be addressed to IAEA, Marketing and Sales Unit, Publishing Section, E-mail: sales.publications@iaea.org; Web site: http://www.iaea.org/books
Submitting Site:
INIS
Size:
page(s) 69-79
Announcement Date:
Jan 03, 2013

Citation Formats

Bessbousse, H, Nadhakumar, I, Decker, M, Clochard, M -C, Wade, T L, and Barsbay, M. Functionalized Nanoporous Track Etched {beta}-PVDF Membrane Electrodes for Lead (II) Determination by Square Wave Anodic Stripping Voltammetry. IAEA: N. p., 2012. Web.
Bessbousse, H, Nadhakumar, I, Decker, M, Clochard, M -C, Wade, T L, & Barsbay, M. Functionalized Nanoporous Track Etched {beta}-PVDF Membrane Electrodes for Lead (II) Determination by Square Wave Anodic Stripping Voltammetry. IAEA.
Bessbousse, H, Nadhakumar, I, Decker, M, Clochard, M -C, Wade, T L, and Barsbay, M. 2012. "Functionalized Nanoporous Track Etched {beta}-PVDF Membrane Electrodes for Lead (II) Determination by Square Wave Anodic Stripping Voltammetry." IAEA.
@misc{etde_22012224,
title = {Functionalized Nanoporous Track Etched {beta}-PVDF Membrane Electrodes for Lead (II) Determination by Square Wave Anodic Stripping Voltammetry}
author = {Bessbousse, H, Nadhakumar, I, Decker, M, Clochard, M -C, Wade, T L, and Barsbay, M}
abstractNote = {Track etched functionalized nanoporous {beta}-PVDF membrane electrodes, or functionalized membrane electrodes (FME), are thin-layer cells made from poly(acrylic acid) (PAA) functionalized nanoporous {beta}-poly(vinylidene fluoride) ({beta}-PVDF) membranes with thin Au films sputtered on each side as electrodes. The Au film is thin enough that the pores of the membranes are not completely covered. The PAA functionalization is specifically localised in the walls of the nanoporous {beta}-PVDF membrane by grafting. The PAA is a cation exchange polymer that adsorbs metal ions, such as Pb{sup 2+}, from aqueous solutions concentrating the ions into the membrane. After a time the FME is transferred to an electrochemical cell for analysis. A negative potential is applied to the Au film of the FME for a set time to reduce the adsorbed ions onto the Au film working electrode. The other metalized side of the FME functions as a counter electrode. Finally, square-wave anodic stripping voltammetry (SW-ASV) is performed on the FME to determine the metal ion concentrations in the original solution. The calibration curve of charge versus log concentration has a Temkin isotherm form. The FME membranes are 9 {mu}m thick and have 40 nm diameter pores with a density of 10{sup 10} pores/cm{sup 2}. This high pore density provides a large capacity for ion adsorption. Au ingress in the pores during sputtering forms a random array of nanoelectrodes. Like surface modified electrodes for adsorptive stripping voltammetry, the pre-concentration step for the FME is performed at open circuit. The zero current intercept of the calibration for Pb{sup 2+} is 0.13 ppb ({mu}g/L) and a detection limit of 0.050 ppb based on 3S/N from blank measurements. Voltammetry (CV) and chronoapmerometry (CA) were used to characterize the system. The apparent diffusion coefficient (D) for Pb{sup 2+} in the PAA functionalized pores was determined to be 2.44 x 10{sup -7} cm{sup 2}/s and the partition coefficient (pK{sub M}) was determined to be 3.08. (author)}
place = {IAEA}
year = {2012}
month = {Sep}
}