Surface Tension Measurement
Surface tension is defined as the attraction of molecules on a liquid’s surface. This is the tangential force acting at a liquid’s interface with air. The interface boundary is formed by the difference in attractions between liquids and gases. Surface tension is also sometimes called capillary force, surface energy, surface free energy or interfacial tension. Surface tension is measured in units. Water, the basal surface tension measurement, is defined as having a surface tension of 1.0.
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