Wallis
Description
WALLISζTM is an innovative high resolution Zeta potential analyzer purely dedicated to nanoparticle and colloidal charge characterization.
- Based on a modern version of Laser Doppler Electrophoresis (LDE) technique
- Ideal tool for studying colloidal suspension’s stability and nanoparticles’ electrophoretic properties
Key benefits
- No electro-osmosis → Artifact-free measurements
- Improved LDE technology → Efficient, reliable & simple
- High-resolution measurement → Accurate & repeatable Zeta potential analysis
- High durability electrodes → robustness & cost-effectiveness
- Designed for standard disposable and quartz cuvette → Easy-to-fill, compatible with organic solvents and high-pH suspensions
- Advanced software functionalities (Time, pH, Temperature kinetic modes, SOPs, reporteditor, etc.)
- Easy-to-use and intuitive Graphical User Interface (GUI) software
Technologies & innovations
Dip cell : simple, robust, artifact-free
- Simple and easy sample preparation ; no risk of bubble
- Robust : high durability vitreous carbon electrodes
- Artifact-free : optimized dip cell electrodes design → no electro-osmosis bias
High resolution measurements : sampling frequency 30 times higher than competitors / significantly improving measurement resolution down to 0,1 mV
Specification
- Zeta potential measurement range: -200mV to +200 mV
- High resolution measurement: better than 0.1 mV
- Dip cell with unique high durability amorphous carbon electrodes
- ZetaQ proprietary software (lien vers onglet ZetaQ)
- Compliant with ISO 13099-2 Colloidal system – methods for Zeta potential determination – Part 2