Clusius and Dickel Column Constants for a Gas consisting of Hard Spherical Molecules

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Abstract
The theory of the Clusius and Dickel hot wire thermal diffusion column as developed by Furry and Jones has been extended to take into account the temperature dependence of the gas coefficients for a gas whose molecules consist of hard rigid spheres. Tables for the shape factors h, kc and kd have been constructed by the method of numerical integration. It is found that the column constants H, Kc and Kd depend strongly on the law of molecular interaction for the gas. The expressions obtained for the constant H are found to agree closely with the experimental data of Nier on helium.

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