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Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential

Tony E. Thomas, SAIF AL AANI, Darren Oatley-Radcliffe Orcid Logo, Paul Williams Orcid Logo, Nidal Hilal

Journal of Membrane Science, Volume: 523, Pages: 524 - 532

Swansea University Authors: SAIF AL AANI, Darren Oatley-Radcliffe Orcid Logo, Paul Williams Orcid Logo, Nidal Hilal

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DOI (Published version): 10.1016/j.memsci.2016.10.029

Abstract

A novel technique employing an Uzigirs dip cell arrangement is used in conjunction with Laser Doppler Electrophoresis for the determination of the surface zeta potential for a UF, NF, and RO membrane. To the authors best knowledge this is the first study employing Laser Doppler Electrophoresis and E...

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Published in: Journal of Membrane Science
ISSN: 0376-7388
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa30749
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spelling 2021-01-14T13:06:46.5617559 v2 30749 2016-10-21 Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential d9b43d20ed77afb39906206181147376 SAIF AL AANI SAIF AL AANI true false 6dfb5ec2932455c778a5aa168c18cffd 0000-0003-4116-723X Darren Oatley-Radcliffe Darren Oatley-Radcliffe true false 3ed8f1e5d997e0fcb256fb6501605cec 0000-0003-0511-4659 Paul Williams Paul Williams true false 3acba771241d878c8e35ff464aec0342 Nidal Hilal Nidal Hilal true false 2016-10-21 FGSEN A novel technique employing an Uzigirs dip cell arrangement is used in conjunction with Laser Doppler Electrophoresis for the determination of the surface zeta potential for a UF, NF, and RO membrane. To the authors best knowledge this is the first study employing Laser Doppler Electrophoresis and Electro-osmotic Flow Mapping for membrane surface charge determination. High correlation of the regression fit (R2>0.95) for a carboxylated polystyrene latex particle electrophoretic mobility was achieved at low electrolyte concentrations (1mM and 10mM NaCl), but the reliability and accuracy of the extrapolated zeta potential values were problematic at higher concentration due to high measurement uncertainty (>10% in some cases). Changes in the applied electric field increased the phase resolution of 50mM NaCl electrolyte solutions between 0.5-2.0V. However, the effects of Joule heating at higher voltages compromised 50mM NaCl sample integrity. When compared with the established Tangential Streaming Potential method, Laser Doppler Electrophoresis measurements provided similar zeta potential values and trends indicating that this new methodology can indeed be employed for membrane characterization purposes; however, further research needs to be conducted in order to optimize this new technique and set appropriate operating limits. Journal Article Journal of Membrane Science 523 524 532 0376-7388 Membrane characterization; Electrokinetic charge; Laser Doppler Electrophoresis; Streaming potential; Zeta potential 1 2 2017 2017-02-01 10.1016/j.memsci.2016.10.029 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2021-01-14T13:06:46.5617559 2016-10-21T09:54:56.6441582 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Tony E. Thomas 1 SAIF AL AANI 2 Darren Oatley-Radcliffe 0000-0003-4116-723X 3 Paul Williams 0000-0003-0511-4659 4 Nidal Hilal 5 0030749-24102016090849.pdf thomas2016(2)v3.pdf 2016-10-24T09:08:49.5770000 Output 2187797 application/pdf Accepted Manuscript true 2017-10-22T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
spellingShingle Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
SAIF AL AANI
Darren Oatley-Radcliffe
Paul Williams
Nidal Hilal
title_short Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
title_full Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
title_fullStr Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
title_full_unstemmed Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
title_sort Laser Doppler Electrophoresis and electro-osmotic flow mapping: A novel methodology for the determination of membrane surface zeta potential
author_id_str_mv d9b43d20ed77afb39906206181147376
6dfb5ec2932455c778a5aa168c18cffd
3ed8f1e5d997e0fcb256fb6501605cec
3acba771241d878c8e35ff464aec0342
author_id_fullname_str_mv d9b43d20ed77afb39906206181147376_***_SAIF AL AANI
6dfb5ec2932455c778a5aa168c18cffd_***_Darren Oatley-Radcliffe
3ed8f1e5d997e0fcb256fb6501605cec_***_Paul Williams
3acba771241d878c8e35ff464aec0342_***_Nidal Hilal
author SAIF AL AANI
Darren Oatley-Radcliffe
Paul Williams
Nidal Hilal
author2 Tony E. Thomas
SAIF AL AANI
Darren Oatley-Radcliffe
Paul Williams
Nidal Hilal
format Journal article
container_title Journal of Membrane Science
container_volume 523
container_start_page 524
publishDate 2017
institution Swansea University
issn 0376-7388
doi_str_mv 10.1016/j.memsci.2016.10.029
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
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description A novel technique employing an Uzigirs dip cell arrangement is used in conjunction with Laser Doppler Electrophoresis for the determination of the surface zeta potential for a UF, NF, and RO membrane. To the authors best knowledge this is the first study employing Laser Doppler Electrophoresis and Electro-osmotic Flow Mapping for membrane surface charge determination. High correlation of the regression fit (R2>0.95) for a carboxylated polystyrene latex particle electrophoretic mobility was achieved at low electrolyte concentrations (1mM and 10mM NaCl), but the reliability and accuracy of the extrapolated zeta potential values were problematic at higher concentration due to high measurement uncertainty (>10% in some cases). Changes in the applied electric field increased the phase resolution of 50mM NaCl electrolyte solutions between 0.5-2.0V. However, the effects of Joule heating at higher voltages compromised 50mM NaCl sample integrity. When compared with the established Tangential Streaming Potential method, Laser Doppler Electrophoresis measurements provided similar zeta potential values and trends indicating that this new methodology can indeed be employed for membrane characterization purposes; however, further research needs to be conducted in order to optimize this new technique and set appropriate operating limits.
published_date 2017-02-01T03:37:27Z
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score 11.012678

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