Tools Colloid characterisation
![](https://www.cerege.fr/wp-content/uploads/2023/01/sam_8740_1-1024x683.jpg)
Suspended particle size
- particle size measurement in liquid suspension (0.01-3000 µm) by laser diffraction (Malvern Mastersizer 3000)
- size measurement of nanoparticles in liquid suspension (1-3000 nm) by dynamic light scattering (Malvern Zetasizer NanoZS)
- size measurement, counting, and shape analysis of suspended particles (>0.5 µm) by image analysis (Occhio, Flow cell FC200S)
- sedimentation/flotation rate and height-resolved turbidity measurements (Formulaction, Turbiscan Lab)
![](https://www.cerege.fr/wp-content/uploads/2023/01/sam_8739-1024x683.jpg)
Surface load
- measurement of the Zeta potential of suspended particles (Malvern Zetasizer NanoZS)
- Zeta potential measurement of immobile surfaces (grains, membranes, ...) by flow potential (CAD Instruments, ZetaCAD)
- high resolution automatic titrator with sample changer (Metrohm Titrino)
![](https://www.cerege.fr/wp-content/uploads/2023/01/sam_8755-2-1024x683.jpg)
Particle shape
- size measurement, counting and shape analysis of suspended particles (>0.5 µm) by image analysis (Occhio, Flow cell FC200S)
- Atomic force microscope (Bruker, Innova AFM)
And also ...
- UV-visible spectrometer with integrating sphere for liquid and film analysis (Jasco, V-650)
- rotor-stator emulsifier for cosmetic preparations (VMI, Turbotest)
- particle size fractionation by tangential filtration (50 kD-0.5 µm) (Repligen, Krosflo)
- fractionation by ultracentrifugation (Beckman Coulter, Optima L-100 XP)
- ultrasonic treatment with a high frequency probe