Pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) | BYPASS

Sample

Name: Pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter)

Owner of sample

Database

BYPASS

Experimentalists

Romain Cerubini

Origin of sample

Date: 2020-05-08
Provider: Planetary Ice Laboratory, Space and Planetary Science division, Physics Institute, University of Bern

Image

Sample of spherical particles of H2O ice (SPIPA-B type, 67 µm average diameter) during sublimation. The VIS-NIR reflectance spectrum is collected over the outlined Region of Interest (black).

Physical characteristics

Thickness: 20.0 $\pm$ 2.0 $mm$
Diameter: 20.0 $mm$
Volume: 16000.0 $mm^3$
Surface roughness: smooth
Substrate material: Black anodized aluminum

Sample environment: Temperature

Temperature: 150.0 $\pm$ 30.0 $K$
Time at T: 2180.0 $\pm$ 600.0 $s$
Temperature max: 200.0 $K$

Sample environment: Fluid

Type: vacuum
Fluid temperature: 150.0 $\pm$ 30.0 $K$
Fluid pressure: 1.0e-05 $\pm$ 1.0e-05 $mbar$
Time at T, P, pH: 2180.0 $\pm$ 600.0 $s$
Comments: Residual pressure in the chamber from the equilibrium between water vapor produced by sublimation and active pumping

Documentation and publication

Publications

Cerubini et al., 2022, Planet. Space Sci., 211, 105391

Layers in sample

Number

Layers

Pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) , 20.0 $mm$

Sample processings