Sample
Name
Porous sublimation residue made of Nontronite NAu-1
Thickness
10.0 $\pm$ 5.0 $mm$
Diameter
48.0 $mm$
Surface roughness
rough
Substrate material
black aluminum tape
Substrate comments
Cylindrical container of 4.8 cm diameter and 2.0 cm depth, which had been coated with black matte aluminum tape on the inside.
Comments
The dry sublimation residue was about 1 cm thick.
Temperature
261.0 $K$
Temperature max
173.0 $K$
Type
vacuum
Fluid pressure
1.5e-06 $mbar$
Comments
The sample was kept under high vacuum
Comments
The surface of the sample absorbs thermal infrared radiation emitted from the top and the walls of the vacuum chamber, so the water ice sublimates progressively.