- Name
- CO2 frost (10-100 microns) intimately mixed with 10 wt.% fine-grained spherical water ice (4.5 microns average diameter)
- Database
- Experimentalists
- Date
- 2018-02-09
- Provider
- Planetary Ice Laboratory, Space and Planetary Science division, Physics Institute, University of Bern
- Thickness
- 20.0 $\pm$ 2.0 $mm$
- Diameter
- 20.0 $mm$
- Volume
- 16000.0 $mm^3$
- 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
- 150.0 $\pm$ 20.0 $K$
- Time at T
- 2394.0 $\pm$ 600.0 $s$
- Temperature max
- 200.0 $K$
- Type
- purged air
- Fluid temperature
- 150.0 $\pm$ 10.0 $K$
- Fluid pressure
- 1000.0 $\pm$ 50.0 $mbar$
- Time at T, P, pH
- 2394.0 $\pm$ 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)