Velocity of sound in mixtures of argon, helium and hydrogen at low temperatures
- 1 September 1946
- journal article
- Published by IOP Publishing in Proceedings of the Physical Society
- Vol. 58 (5) , 615-623
- https://doi.org/10.1088/0959-5309/58/5/309
Abstract
Measurements are described of the velocity of ultrasonics in mixtures of argon, helium and hydrogen at a frequency of 524 kc./sec. as a function of pressure and at fixed temperatures near 90° and 20° absolute. From these data, information about the interaction between the gases in the mixtures is deduced, using the equation of state of Kamerlingh Onnes.Keywords
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