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There are various techniques to measure the Surface and Interfacial Tensions of liquids and solutions containing surfactants.
| Method | Time of absorption |
| Bubble Pressure Tensiometer | 0.1 milliseconds to 100 seconds |
| Drop and Bubble Shape Tensiometer | 1 second to hours |
| Drop Volume Tensiometer | 0.2 seconds to 30 minutes |
The Bubble Pressure Tensiometer is the method of choice for very short adsorption times, down to milliseconds.
The Drop and Bubble Shape Analyzer is an optical Tensiometer.
The principle of the method is to accurately determine the shape of a drop or bubble.
We offer two models:
- The PAT-2 manual Drop Bubble Tensiometer
- The PAT-1 automatic Drop Bubble Tensiometer. This instrument is a modular system with different options: Contact Angle, Drop Bubble Micromanipulator, Drop Pressure, Oscillating Drop Bubble Analyzer
The Drop Volume Tensiometer is a simple instrument for Surface and Interfacial Tension of liquids.
Foam Analyzer
The Foam Analyzer is a unique instrument to study foam drainage and foam stability under strictly defined conditions.
Interfacial Shear Rheometer
The Interfacial Rheometer allows the study of rheology (elasticity and viscosity) at interfaces.
Tensiometers
Ring and Plate Tensiometer TensioCAD
$1.00The TensioCAD is a semi-automatic Du Noüy Ring and Wilhelmy Plate Tensiometer for the measurement of Surface Tension and Interfacial Tension.
Oscillating Drop and Bubble Analyzer ODBA-1 for PAT-1 Tensiometer
$1.00Oscillating Drop and Bubble Analyzer for dilational elasticity and viscosity determination
Tensiometers
Drop Pressure Module DPA-1 for PAT-1 Tensiometer
$1.00This Drop Pressure module is dedicated to measurements of Dynamic Interfacial Tensions of liquids.
Drop and Bubble Micromanipulator DBMM-1 for PAT-1 Tensiometer
$1.00The Drop and Bubble Micromanipulator is designed for the study of direct interaction between drops or bubbles.
Tensiometers
Module for Contact Angle measurement
$1.00The CA-1 is a modular extension of the PAT-1 Drop Bubble Shape Tensiometer for contact angle measurements.
Tensiometers
Drop and Bubble Shape Optical Tensiometer PAT-1
$1.00The Drop and Bubble Tensiometer PAT-1 uses a modern optical method to measure the dynamic Surface Tension and Interfacial Tension of liquids, 0.1 s resolution over a period of seconds up to days.
The instrument is supplied with a computer controlled dosing system.
Tensiometers
Drop Bubble Profile Analysis Tensiometer PAT-2
$1.00Economical Drop and Bubble profile Analysis Tensiometer for the measurement of Surface Tension and Interfacial tension of liquids, equipped with a manual dosing system.
Tensiometers
Interfacial Shear Rheometer ISR-1
$1.00The ISR-1 Interfacial Shear Rheometer allows the measurement of interfacial shear elasticity and viscosity of layers between two fluids (liquid/liquid or liquid/gas).
Tensiometers
Foam stability and lifetime Analyzer FA-1S
$1.00The Foam Analyzer FA-1S for the study of foam drainage and foam stability under strictly defined conditions.
Drop volume Analyzer for Dynamic Surface Tension and Interfacial tension of liquids
$1.00The DVA-1 Drop Volume Tensiometer is a classical method to measure the surface and interfacial tension of liquid.
Tensiometers
BPA-1S Bubble Pressure Tensiometer
$1.00The BPA-1S Maximum Bubble Pressure Analyzer is the choice for very short adsorption times.