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Adsorption isotherms of helium on activated charcoal

✍ Scribed by L. Duband; A. Ravex; J. Chaussy

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
264 KB
Volume
27
Category
Article
ISSN
0011-2275

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✦ Synopsis

Adsorption of helium on activated charcoal has been measured in the pressure range 1-30 atm* and in the temperature range 15-70 K. A Clapeyron like law (InPs = A + B/T) for fictitious saturation vapour pressure P, above Tcr is deduced experimentally from the measurements. This law leads to a fairly good generalized correlation for all experimental data in the framework of Dubinin theory: C = MΒ°texp(-yx) with x =RTIn (_~) b 13

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