Theta Knowledge base
– Attension, Biolin –
Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method
This application note describes the measurement of interfacial tension between oil and water under non- equilibrium conditions by using the ring method according to the ASTM standard.
– Attension –

Contact angle – What is it and how do you measure it?
Contact angle, θ (theta), is a quantitative measure of wetting of a solid by a liquid. The behavior of single drop on a surface tells you a lot about the…
– Attension –

The Importance of Contact Angle in Industry
Get examples of how contact angle measurements are utilized in different industries.
Software Overview
OneAttension is an all-inclusive software that enables immediate access to all measurement capabilities with no need to purchase and install separate software modules. One software for all contact angle, adhesion force, drop shape, interfacial tension, interfacial rheology and tensiometry measurements with quick and intuitive user interface.
Best-in-class user interface
OneAttension is an all-inclusive software that enables immediate access to all measurement capabilities with no need to purchase and install separate software modules. One software for all contact angle, adhesion force, drop shape, interfacial tension, interfacial rheology and tensiometry measurements with quick and intuitive user interface.
- Fully automatic measurements avoid user-dependent variation and save time.
- Select ready-made experiment recipes or create custom programs for quick and repeatable operations.
- Automatic baseline detection and drop shape fitting
- Contact angle on curved surfaces (circular or near-circular)
- Flexible and programmable frame per second rate recorded by the camera
- Measuring chambers, cuvettes and other accessories are available to add capabilities to your Theta Device.