Colloid Metrix GmbH

Analyzers for particle size distribution, zeta potential and charge/pH titration

The Top 3 Advantages

Short measurement time and ultra fast titration speed


"Mix and Measure" principle to avoid sedimentation during the measurement


Laboratory or inline usage

Rapid stability assessment and formulation of colloids, nanoparticles, emulsions

A well-known measure of the stability behavior of dispersions and nanoparticles are particle interface potentials, such as the zeta potential. By measuring the flow potential generated by the charge separation of the fluid, one obtains information about the zeta potential. The determination of the particle size is another way to investigate a process in order to obtain reliable statements about the stability behavior.

The particle size distribution is determined by means of DLS 180° dynamic light scattering. The StabiSizer® by Colloid Metrix provides very fast, accurate and reproducible particle charge and particle size distribution measurements. It is able to measure the surface charge of particles in the range of 0.3 nm to 300 μm and the size distribution of 0.3 nm to 10 μm, at a concentration range of up to 40% vol. Due to the optimized measuring technology, the StabiSizer® can determine 7 parameters simultaneously and within a few seconds:

  • particle size distribution
  • zeta potential
  • streaming potential
  • conductivity
  • pH value
  • temperature
  • concentration
Target Industries
Colloid Metrix GmbH
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