Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Adsorption of Helium On Charcoal below 78°K., and Production and Thermometry of Law Temperatures
Eizo Kanda
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1938 Volume 13 Issue 1 Pages 241-246

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Abstract

The adsorption of helium on charcoal below to 78°K. was measured and the heat of sorption was determined. Systematical trials of the desorption method for the purpose of obtaining low temperatures without liquid helium were described. Resistance thermometers of manganin and of constantan were calibrated with the helium gas thermometer down to 6°K.

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