Zeta Potential as an Indicator of Surface Properties
Introduction to Surface Zeta Potential Analysis
Date and time
Location
Department of Chemical Engineering Engineering
Engineering North North Room 405 (EN 405) Stillwater, OK 74075About this event
- 3 hours
Zeta potential is commonly used to determine the charge at the solid-water interface. In particle dispersions and emulsions, the zeta potential is assessed by the measurement of the electrophoretic mobility. With the measurement of the streaming potential, the zeta potential of macroscopic solid samples becomes accessible. Besides the surface and interfacial charge, zeta potential is an indicator for surface chemistry (surface functional groups), surface hydrophobicity, and liquid-on-solid surface adsorption processes.
This seminar is intended for anyone working with solid materials who is interested in characterizing or modifying the surface chemistry or electrostatic properties of a variety of materials including membranes, biomaterials, medical devices, semiconductors, self-assembled monolayers, thin films, geological samples, and textiles.
We will be covering the chemical and physical background of zeta potential, illustrate its versatility through selected applications, and introduce to you our state-of-the-art instrument for streaming potential measurement.
Speaker Bio:
Dr. Thomas Luxbacher is the principal scientist for surface charge and zeta potential at Anton Paar. He was product manager for SurPASS 3 and the predecessor instruments SurPASS and EKA for 15 years. He has a PhD in Technical Chemistry from Graz University of Technology (Austria) and gained a broad range of work experience in different fields before joining Anton Paar GmbH.
Schedule:
09:00 Welcome
09:10 Overview of zeta potential, theory, and importance; comparison of streaming potential with electrophoretic light scattering; and complementary information of streaming potential with other surface sensitive techniques
10:10 Coffee break
10:25 Overview of instrument and experimental design
10:45 Applications and data interpretation
12:00 Q&A and closing remarks
Oklahoma State University:
Date: June 17th 2024
Department of Chemical Engineering
Engineering North Room 405 (EN 405)
Street Address:
Engineering North 405
Stillwater, OK 74075
Visitor Parking:
Park at Boone Pickens Stadium,
Check in at OSU Parking Office (1006 W Hall of Fame Ave, Stillwater, OK 74078) for parking permit ($1/day)
Start time: 9AM
End time: 12PM
Cost:
Free. Registration is required.