Contact angle measuring equipment
Photo: Hereon/general
Krüss Drop Shape Analyzer DSA100, Krüss GmbH, Hamburg
Static contact angle, advancing angle and receding angle
Contact angle between a liquid and a solid
Free surface energy based on contact angle determination of several test liquids for all common models
Measuring range (based on image analysis): 1-180°
Tensiometer
Photo: Hereon/general
Krüss Force Tensiometer K100, Krüss GmbH, Hamburg
Measurement of surface and interfacial tension with the ring, plate and bar method
Contact angle and free surface energy of solids, powders and fiber bundles
Critical micelle concentration (CMC) of surfactants
Measurement range: 1 up to 2000 mN/m
Temperature: -10 up to 130°C
Particle Analyser
Photo: Hereon/general
DelsaTMNano C, Beckman Coulter, Inc.
Combination of dynamic light scattering (DLS) for determining particle size and electrophoretic light scattering (ELS) to analysis the zeta potential
Zeta potential of flat surfaces
Size range: 0.6 nm up to 7 µm
Size range for zeta potential: 0.6 nm - 30 µm
Sample concentration range: 0.001% - 40% (sample dependent)
Porometer
Photo: Hereon/general
PMI Capillary Flow Porometer
Measuring bubble point (the largest through pore throat diameter) and pore size distribution
Pore size range: 0.013-500 µm
Sample size: 2.5 and 6.35 cm diameter
Pressure range: 0 up to 34.5 bar
