Recent Developments In Surface Zeta Potential Measurements
Solids in contact with a liquid show a distribution of charges different from the bulk solid and liquid phases. The accumulated surface charges form the so-called electrochemical double layer, with a plane of shear separating the immobile and the diffuse layer; the potential at the interface between the two layers is known as the zeta potential. The magnitude and sign of the zeta potential provides information on the chemical and physical properties of the solid surface, and the interaction
Dr. Vinod Radhakrishnan is a Senior Product Specialist with the Advanced Technical Center at Anton Paar USA. Dr. Radhakrishnan’s areas of expertise includes surface charge and zeta potential, particle sizing using light scattering and laser diffraction, and surface area and porosity. Dr. Radhakrishnan holds a Ph.D. in Chemical Engineering from Auburn University.
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