Sample
Name
Third location with water frost deposition (thin, estimated 75 µm microns) over the CO2 slab
Database
Experimentalists
Date
2018-02-16
Provider
Planetary Ice Laboratory, Space and Planetary Science division, Physics Institute, University of Bern
Third location with water frost deposition (thin, estimated 75 µm microns) over the CO2 slab
Physical characteristics
Thickness
20.0 $\pm$ 2.0 $mm$
Diameter
80.0 $mm$
Surface roughness
smooth
Sample changes
Possible slow sublimation and/or metamorphism of the CO2 ice at the surface and deposition of water frost
Substrate material
Black anodized aluminum
Temperature
160.0 $\pm$ 10.0 $K$
Time at T
6865.0 $\pm$ 600.0 $s$
Temperature max
250.0 $K$
Type
purged air
Fluid temperature
160.0 $\pm$ 10.0 $K$
Fluid pressure
1000.0 $\pm$ 10.0 $mbar$
Time at T, P, pH
6865.0 $\pm$ 600.0 $s$
Comments
the sample is in contact with a mixture (unknown proportions) of molecular nitrogen produced by the sublimation of liquid nitrogen at the bottom of the sample holder (major), CO2 gas sublimated from the sample itself (minor) and ambient air leaking into the chamber (minor)
Publications
Number
2
Arrangement
layer 2 naturally deposited at the surface of layer 1 from the gas (vapor)
Layers