Measurement Methods
Explore our tried, tested, and true measuring techniques and discover the ones which are best suited to your applications
Drop Shape
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Sessile drop
Contact angle of a drop on a solid surface -
Sessile drop mapping
Automated position-dependent contact angle measurement and evaluation -
Sessile drop top view analysis
Contact angle of a drop viewed from the top -
Double sessile drop
Contact angles of two drops dosed in parallel -
Captive bubble
Contact angle using a gas bubble beneath a solid surface in a liquid -
Roll-off measurement
Roll-off behavior and advancing/receding contact angle of a drop on a tilted surface -
Surface free energy
Surface free energy of a solid using contact angle data -
Pendant drop
Surface or interfacial tension using the curvature of a drop or bubble at the tip of a needle -
Constrained sessile drop
Surface tension using the curvature of a perfectly symmetrical drop on a circular sample pedestal -
Oscillating pendant drop
Interfacial rheological behavior of a pendant drop or a bubble with periodically alternating volume -
Cycle
Carrying out a measurement up to 20 consecutive times and displaying the results together -
Adhesion analysis
Calculating adhesion-related scientific parameters for the interfacial contact -
Liquid polarity
Calculating the polar and disperse part of the surface tension from contact angle and surface tension data -
ADVANCE API
Remote control of ADVANCE for integration in custom-designed, complex automations -
3D Contact Angle
Evaluation of an exact virtual replica of a dosed drop reconstructed on the basis of reflection patterns -
Meniscus
Contact angle at an immersed, cylindrical sample, usually a fiber
Tensiometers
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Bubble pressure
Dynamic surface tension using the Laplace pressure of a gas bubble at a capillary in a liquid -
Sorption
Contact angle between a liquid and porous material using the capillary force -
Liquid density
Density determination of a liquid using the buoyancy of a probe immersed in the sample -
Solid density
Density determination of a solid using the buoyancy of the sample immersed in a liquid -
Sedimentation
Sedimentation speed of a dispersion -
Penetration
Penetration resistance of a sediment against a probe -
Wilhelmy contact angle
Contact angle using the wetting force of a liquid at a solid sample -
Spinning drop IFT
Interfacial tension using the diameter or curvature of a drop of a light phase inside a heavy phase in a rotating capillary -
CMC
Automated determination of the critical micelle concentration by measuring the SFT at different concentrations -
Ring IFT
Interfacial tension using the tensile force of a lamella underneath a ring -
Ring SFT
Surface tension using the tensile force of a lamella underneath a ring -
Lamella tear-off IFT
Interfacial tension using the tensile force of a lamella which is stretched until it disrupts -
Lamella tear-off SFT
Surface tension using the tensile force of a lamella which is stretched until it disrupts -
Wilhelmy IFT
Interfacial tension using the wetting force of a liquid at a platinum plate or rod -
Wilhelmy SFT
Surface tension using the wetting force of a liquid at a platinum plate or rod -
Surface free energy
Surface free energy of a solid using contact angle data -
Adhesion analysis
Calculating adhesion-related scientific parameters for the interfacial contact -
Liquid polarity
Calculating the polar and disperse part of the surface tension from contact angle and surface tension data -
Special purpose
Using a force sensor, a software-controlled sample stage, and a camera (if available) for freely defined procedures -
Cycle
Carrying out a measurement up to 20 consecutive times and displaying the results together -
ASTM D 971
Ageing check of transformer oils and other liquids using interfacial tension according to ASTM D 971 -
IEC 62961
Ageing check of transformer oils and other liquids using interfacial tension according to IEC 62961 -
Drop pull-off
Force and image evaluation for measuring adhesion of a drop brought into contact with a surface and removed again (part the "Special purpose" method)
Foam Analysis
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Foam height
Foamability and foam stability using the optically detected height of foam created reproducibly -
Foam structure
Optically detected foam bubble sizes and their statistical distribution -
Foam flash
Foam formation behavior of heavily foaming liquids using stirring cycles -
Liquid content
Moisture and drainage behavior of foam using its electrical conductivity -
High pressure foam
Foam height and foam structure simultaneously analyzed under high pressure -
Ross Miles
Foamability and foam stability according to ASTM D 1173 -
Cycle
Carrying out a measurement up to 20 consecutive times and displaying the results together