High Concentration Zeta Potential Measurement Device using Electric Acoustic Method - ZetaProbe
Automatically measure the zeta potential of high-concentration colloidal particles in their original solution. The isoelectric point is also measured automatically.
In ZetaProbe, an alternating voltage is applied to the solution, and the zeta potential is measured from the ESA signal generated by the vibrations of colloidal particles. In high-concentration colloidal solutions, light cannot penetrate, making measurements using optical methods difficult; however, the electroacoustic method uses sound waves, allowing for the measurement of zeta potential even in more concentrated solutions. There is no need to worry about changes in electrolyte concentration or pH due to dilution. 【Features】 - Compatible with high-concentration and high-viscosity samples, allowing measurements in the original solution. - High-precision measurements possible using electroacoustic methods and multi-frequency analysis [patent obtained]. - Accurate zeta potential measurements can be made. → Signals from ions similar to those from particles are removed through background correction. - Parameters can be changed later for re-analysis. - An automatic titration system necessary for isoelectric point measurements is standard equipment. For more details, please contact us or refer to the catalog.
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basic information
【Features】 ○ Efficient and highly flexible measurement analysis software ○ Hardware compatible with concentrated solutions ○ Automatic titration unit included as standard ○ Measurement results are automatically saved in Excel format → Real-time data verification is possible ○ Sample containers can be easily disassembled and cleaned ○ Sample containers have stirring functionality → Measurements can be taken for solutions that easily precipitate or have high viscosity 【Main Specifications】 ○ Measurement Method → Electrokinetic Sonic Amplitude (ESA) + Multi-frequency analysis ○ Sample Conditions → Particle concentration: 0.5–60 vol% → Sample volume: 220–350 ml (flowing state) 30 ml (static state) → Maximum viscosity: 10,000 mPa·s → Conductivity range: 0–5 S/m → pH range: 1–13 → Temperature range: 10–50℃ → Measurement range: ±200 mV → Measurement time: approximately 60 seconds → Particle size range: 1 nm–50 μm (depending on application) ○ Titration module: Resolution 0.1 μL, dual syringe pump ● For more details, please contact us or refer to the catalog.
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Applications/Examples of results
【Applications】 ○Batteries ○Cement ○Ink ○Multilayer Ceramic Capacitors ○Abrasives ○Cosmetics ○Paints ○Magnetic Media ○Catalysts ○Other Colloidal Materials ●For more details, please contact us or refer to the catalog.
Company information
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)
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