Dynamic Streaming Potential: Basics and Applications
Zeta potential measures the electrostatic interaction at the interface between a solid and a liquid. Electrophoretic light scattering determines zeta potential for particles in dispersion, while streaming potential measures it on solid surfaces. Dynamic streaming potential, an extension of classic streaming potential, allows real-time monitoring of solute-solid interactions. This report explores its principles and applications.
Introduction
Zeta potential is a key parameter in colloid science and electrochemistry. It is established on the surface of any material when it comes in contact with a liquid medium, typically an aqueous solution, and is thus an interfacial property. Put simply, it refers to the electric charge that exists on the surface of small particles when they are suspended in a liquid or on a solid surface that is surrounded by an aqueous solution.
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