Zeta potential varies depending on the type and concentration of ions in the solution and other surrounding environmental factors.
Particles with a negative charge are surrounded by ions with a positive charge, which is the opposite. Additionally, they are enveloped by a diffusion layer where both positive and negative ions are mixed, and these two layers together are referred to as the electric double layer. Moreover, when an electric field causes the particles to move and shear forces are applied, a boundary interface forms between the ions that move separately from the particles and the ions that accompany the particles within the diffusion layer. This boundary interface is called the "slip plane," and the potential at this plane is referred to as the "zeta potential." The zeta potential varies depending on the types and concentrations of ions in the surrounding environment. [Zeta potential meters we handle] ■ Concentrated systems / Particle size distribution and zeta potential meter ■ Diluted systems (particle observation) zeta potential meter *For more details, please refer to the PDF materials or feel free to contact us.
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Our contact angle meters and surface tension meters have a wealth of delivery records and publications. We also provide equipment related to interfaces, such as friction meters, zeta potential meters, adhesive film peeling analysis devices, and LB film production devices, contributing multifacetedly to our customers' research, development, and quality control. ★ We accept commissioned measurements. Our commissioned measurements utilize high-performance equipment, and dedicated measurement personnel handle everything from measurement to reporting. We strive to provide reliable data that serves as evaluation criteria for material assessment. - Static/Dynamic/Contact Angle (wetting properties, liquid repellency, cleaning evaluation, surface free energy analysis) - Static/Dynamic Surface and Interfacial Tension (permeability, emulsification, solubility, wettability, foaming) - Lamella Length (foam stability, coating pickup, liquid drainage, wicking evaluation) - Powder Wettability (wettability of powders, wettability due to surface treatment and roughness of powders, wettability evaluation based on powder penetration speed) - Static/Dynamic Friction Wear Analysis (friction wear, lubricity, stickiness, slip properties) - Tensile Testing (adhesion, angle dependence, light peeling, high-speed peeling) - Zeta Potential (particle size distribution, dispersion stability, aggregation, sedimentation) - Anti-fogging Evaluation (degree of fogging, transparency, condensation)