Measuring a Liquid's Own Surface Tension Directly
A liquid's own surface tension needs to be measured directly, as an absolute value, rather than inferred indirectly from how it behaves on a particular solid surface.
References
- du Noüy, P.L. "An Interfacial Tensiometer for Universal Use." Journal of General Physiology 7, no. 5 (1925): 625–638.