- 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
- Thickness
- 20.0 $\pm$ 2.0 $mm$
- Diameter
- 80.0 $mm$
- Surface roughness
- smooth
- Substrate material
- Black anodized aluminum
- Temperature
- 160.0 $\pm$ 10.0 $K$
- Time at T
- 2398.0 $\pm$ 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
- 2398.0 $\pm$ 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)
- Number
- 2
- Arrangement
- layer 2 naturally deposited at the surface of layer 1 from the gas (vapor)
- Layers
-
- Water frost condensed at the surface of the compact CO2 ice , 0.075 $mm$
- Compact slab of CO2 ice , 20.0 $mm$