J. Phys. Colloques 46 (1985) C10-813-C10-816
SURFACE-WAVE RESONANCE METHOD FOR MEASURING SURFACE TENSION WITH A VERY HIGH PRECISIONM. IINO, M. SUZUKI and A.J. IKUSHIMA
The Institute for Solid State Physics, The University of Tokyo, Roppongi, Minato-ku, Tokyo 106, Japan
A very precise method for measuring surface tension using the resonance of surface waves on a liquid in a cavity has been developed. The method was then used to measure the surface tension of liquid helium, 3He and 4He , giving an absolute accuracy of about 0.5 mdyne/cm and a sensitivity of 10 µdyne/cm or better. Further possible applications of this method are discussed.