Eötvös rule

The Eötvös rule also gives a relation of the surface tension behaviour of different liquids in respect to each other: 2.

The temperature dependence of the surface tension can be plotted for all liquids in a way that the data collapses to a single master curve.

As a student, Eötvös started to research surface tension and developed a new method for its determination.

[2] In 1893 William Ramsay and Shields showed an improved version considering that the line normally passes the temperature axis 6 K before the critical point.

[3] John Lennard-Jones and Corner published (1940)[4] a derivation of the equation by means of statistical mechanics.