A temperature-controlled device for volumetric measurements of Helium adsorption in porous media

Details A temperature-controlled device for volumetric measurements of Helium adsorption in porous media A temperature-controlled device for volumetric measurements of Helium adsorption in porous media

2008-06-26

arxiv.org/abs/0806.4331v1

J.Low.Temp.Phys.148:903-907,2007

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1007/s10909-007-9482-y

We describe a set-up for studying adsorption of helium in silica aerogels, where the adsorbed amount is easily and precisely controlled by varying the temperature of a gas reservoir between 80 K and 180 K. We present validation experiments and a first application to aerogels. This device is well adapted to study hysteresis, relaxation, and metastable states in the adsorption and desorption of fluids in porous media.

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