interfacial surface tension
Học thuậtThân thiện
Definition
Noun: - A physical property at the boundary between two immiscible liquids: Interfacial surface tension is the force per unit length acting at the interface between two liquids that do not mix (like oil and water). This force tends to minimize the area of the interface, causing droplets to form.
Usage
This term is primarily used in scientific contexts, specifically in physics, chemistry, and engineering, to describe and quantify the forces at liquid-liquid boundaries. - The interfacial surface tension between oil and water must be reduced for effective emulsification. - Researchers measured the interfacial surface tension to understand the stability of the mixture.
Advanced Usage
- In colloid science: Interfacial surface tension is a critical parameter in the formation and stability of emulsions and foams.
- In industrial processes: It is a key factor in designing processes like solvent extraction, coating applications, and enhanced oil recovery.
Variants and Related Words
- Surface tension (n): The elastic tendency of a liquid surface, making it acquire the least surface area possible. This is the more general term for the force at a liquid-air interface.
- Interfacial tension (n): Often used synonymously with "interfacial surface tension," though it can technically refer to the tension at any interface (e.g., between a liquid and a solid).
Synonyms
- Boundary tension
- Liquid-liquid interfacial tension
Related Phrases
- Lower/Reduce the interfacial tension: A common phrase describing the action of adding surfactants.
- A surfactant was added to lower the interfacial surface tension.
- Interfacial tension measurement: Refers to the techniques used to determine this property.
- The pendant drop method is used for interfacial tension measurement.
Noun
- surface tension at the surface separating two non-miscible liquids