Elsevier

Physica

Volume 52, Issue 1, 15 March 1971, Pages 79-91
Physica

Isotherms for the He-Ar system at -130, -115, and -90°C up to 700 atm

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Abstract

A Burnett apparatus was used to obtain compressibility factors and virial coefficients for helium, argon, and four mixtures at -90, -115, and -130°C. The pressures for the first two isotherms ranged from 2 to 700 atmospheres for both pure components and all mixtures. For the -130°C isotherm the pressures for the pure argon and mixtures ranged from 2 atmospheres to slightly below saturation pressure.

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Present address: Continental Oil Co. Ponca City, Oklahoma.

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