Automatic Drop Tensiometer and Dilational Interfacial Rheometer - TRACKER

What is the TRACKER Drop Tensiometer?

The TRACKER drop tensiometer is the most powerful and versatile drop and dilational interfacial rheometer tensiometer available for your laboratory. It stands out as the only drop shape analysis technique that measures surface/interfacial tension, interfacial rheology, and adsorption kinetics, being essential for surfactant analysis at interfaces.

Benefits of the TRACKER Drop Tensiometer

With the TRACKER tensiometer, you can:

• Understand the behavior of molecules and their interactions at interfaces.
• Measure the hydrophobic/hydrophilic character of surfaces.
• Discriminate the foaming and emulsifying properties of surface-active molecules.

Measurements Performed by the TRACKER Tensiometer

The TRACKER tensiometer performs various crucial measurements to characterize surface-active molecules and optimize formulation stability. This data is fundamental for improving industrial process performance and verifying ingredient quality. Measurements include:

• Surface/interfacial tension
• Dilational interfacial rheology
• Adsorption/desorption kinetics
• Contact angle
• Viscoelastic modulus
• Stiffness coefficient
• Automatic CMC

Smart Modular Design

The modular design of the TRACKER tensiometer allows:

• Phase exchange
• Piezoelectric cell for high-frequency oscillations
• Pressure sensor to measure Laplace pressure in the bubble
• Pressure cell up to 200°C/200 bar

TRACKER Tensiometer Applications

The TRACKER tensiometer is used in various industries, such as:

• Crude oil: emulsion stability for separation, influence of surfactants for EOR, dynamic contact angle between oil/rock/liquid phases.
• Cosmetics: foam/emulsion stability, formulation, dynamic contact angle.
• Pharmaceuticals: encapsulation, gas solubility, emulsion stability.
• Food: food foam properties, frozen emulsion stability (ice cream), influence of proteins, sugar or alcohol on bubble size.
• Fuels and Bitumen: wettability, emulsion properties, dynamic contact angle.
• Lubricants: contact angle between lubricant/material, influence of surfactants on wettability.

TRACKER Tensiometer Modules

Dense Phase Exchange Module

Allows liquid exchange in the cuvette while keeping the drop or bubble volume constant, ensuring precision in fluid tests without volumetric variations.

Drop Phase Exchange Module

Dual injection system that replaces liquid or gas inside the drop or bubble, always maintaining its volume, ideal for comparative phase studies.

CMC TRACKER Module

Automated solution for critical micelle concentration determination, offering agile and repeatable measurements without manual intervention.

Piezoelectric TRACKER Module

Incorporates a piezoelectric ceramic that reaches oscillation frequencies up to 10 Hz, allowing controlled variations in drop shape and behavior.

TRACKER Pressure Cell 200 °C/200 bar

Removable cell designed for measurements under extreme temperature (up to 200 °C) and pressure (up to 200 bar) conditions, expanding application range.

TRACKER Pressure Sensor

Measures both the hydrostatic pressure above a bubble in liquid and the pressure of an air bubble in a gaseous environment, ensuring versatility of use.

Conclusion

The TRACKER tensiometer is an indispensable tool for those needing precision in measuring surface/interfacial tension and dilational interfacial rheology. With its various applications and advanced modules, it is ideal for laboratories and industries seeking to optimize their formulations and processes.

To learn more about the TRACKER tensiometer and its functionalities, download our brochure or request a quote.