Zeta potential is a measurement based on the charges on the particles in a suspension or emulsion. A zeta potential analyzer does the measurements and calculations to ascertain the zeta potential of a given material. Zeta potential analyzers are used by the ceramics, electronic and pharmaceutical industries to determine the stability of their suspensions and emulsions. The higher the zeta potential, the more stability the product has. Applying an electric field and measuring the velocity of charged particles and using ultrasound waves to create motion and then measure the electric charge of the moving particles are two methods used by zeta potential analyzers.
Some features to keep in mind when comparing zeta potential analyzers include the type of liquids to be analyzed, particle size range that can be measured, the zeta potential range that can be measured, and the sample volume that can be accommodated.
Find, compare, and request a quote for zeta potential analyzers across leading suppliers at Labcompare; including access to product citations, related published figures, and first-hand reviews from our scientific community.
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| Company | Malvern Panalytical | Malvern Panalytical |
| Item | Zetasizer Pro Particle Size Analyzer | Zetasizer Lab Particle Size and Zeta Potential Analyzer |
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| Catalog Number | Zetasizer Pro | Zetasizer Lab |
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| Sample Volume | 12 µL | 20 µL (minimum) |
| Description | The Zetasizer Pro is a robust and versatile system for the measurement of particle and molecular size and electrophoretic mobility and zeta potential of nanoparticles. It enables size measurements to be performed up to three times quicker, compared to previous models, accelerating sample throughput The Zetasizer Pro is a robust and versatile system for the measurement of particle and molecular size and electrophoretic mobility and zeta potential of nanoparticles. It enables size measurements to be performed up to three times quicker, compared to previous models, accelerating sample throughput and freeing up operator and system time for other tasks.
Features: - NIBS optics for versatile, high sensitivity, particle and molecular size measurements
- Dynamic Light Scattering (DLS) measures particle and molecule size, from 0.6 nm – 10 µm
- M3-PALS with Constant Current Mode for zeta potential and electrophoretic mobility measurements
- ZS Xplorer software suite for simple and flexible method set-up and data analysis
- Adaptive Correlation for faster, more reproducible sizing measurements with less sample preparation
- Deep Learning empowered data quality system for assessment of any size data quality issues, with clear advice on how to improve results
- Optical filter wheel with fluorescence filter to allow measurement of fluorescent samples without impairing overall system sensitivity. Also includes polarization filters for DDLS measurements.
... Read More | The Zetasizer Lab system offers traditional 90-degree side-scatter size measurements but still offers enhanced features. The Zetasizer Lab incorporates Adaptive Correlation, M3-PALS and constant current zeta mode as well as our extended size range analysis when used with ZSU1002 capillary cell.
The Zetasizer Lab system offers traditional 90-degree side-scatter size measurements but still offers enhanced features. The Zetasizer Lab incorporates Adaptive Correlation, M3-PALS and constant current zeta mode as well as our extended size range analysis when used with ZSU1002 capillary cell.
The Zetasizer Lab is the perfect entry-level system, offering a wide range of features, including: - DLS analysis: particle size measurements from 0.3 nm to 10 µm
- Extended size range analysis offers improved accuracy for particle sizes above 1 µm, and indicative results above 10 µm (using ZSU1002 Low Volume Disposable Sizing Cell)
- Supports use of Low Volume Disposable Capillary Cell for size measurements in sample volumes as low as 3 µL
- Available in Blue Label and Red Label variants:
- Choose Blue Label for routine sample investigation such as metallic colloids, metal oxides and pigments
- Choose Red Label for more challenging sample types, such as proteins, surfactant solutions and low solid content samples
- On-site upgradeability to either Zetasizer Pro or Zetasizer Ultra models
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| Type | Particle size and zeta potential analyzer | Particle size and zeta potential analyzer |
| Measurement Mode(s) | Mixed-mode measurement, phase analysis light scattering (M3-PALS) | Classical 90° Dynamic Light Scattering, Mixed-Mode Measurement phase analysis light scattering (M3-PALS), Static Light Scattering with Debye Plot |
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