Cordouan Wallis High Resolution Zeta Potential Analysis
Cordouan Wallis High Resolution Zeta Potential Analysis
Cordouan Wallis High Resolution Zeta Potential Analysis
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The <strong>Wallis</strong> <br />
»<br />
• <strong>Zeta</strong> potential : -200200mV<br />
• Particle size : 1nm 100µm<br />
• Concentration range : 0.0001 10%/w<br />
<strong>Zeta</strong> potential<br />
unstable? / stable?<br />
Particles in solution are surrounded by an<br />
Electrical Double Layer (EDL) that characterizes<br />
particle-particle interaction. It fully determines<br />
the formulation stability. The measurement of<br />
<strong>Zeta</strong> potential is directly related to particle<br />
charge environment and then inform about<br />
dispersion stability. It is widely use for chemical<br />
synthesis, particle functionalization…etc.<br />
Measure <strong>Zeta</strong> potential !<br />
Dowload the technical note.<br />
» www.cordouan-tech.com<br />
Measurement cell: simple, robust, artefact free<br />
Simple: The dip cell design allows<br />
simple sample injection and prevent<br />
bubble formation. It is compliant with<br />
standard cuvette cell for multiple<br />
analysis benchmarking. Its design<br />
makes it fully compatible with organic<br />
solvent<br />
Robust: The innovative vitreous carbon electrode provides<br />
long life and stability to the electrodes that can be easily<br />
cleaned by standard process like sonication or acid-base<br />
washing.<br />
dip cell = no electro-osmosis<br />
Artefact free: <strong>Zeta</strong> potential is directly related to electrokinetic phenoma like<br />
electrophoretic mobility. The dip cell electrodes design prevents electro-osmosis<br />
during measurement giving accurate results without « mysterious » software<br />
correction.
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