Spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% Mgcl2) | BYPASS

Sample

Name: Spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% Mgcl2)

Owner of sample

Database

BYPASS

Experimentalists

Romain Cerubini

Origin of sample

Date: 2020-05-13
Provider: Planetary Ice Laboratory, Space and Planetary Science division, Physics Institute, University of Bern

Image

Sample of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% Mgcl2) during sublimation. The VIS-NIR reflectance spectrum is collected over the outlined Region of Interest (red).

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: 2190.0 $\pm$ 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: 2190.0 $\pm$ 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

Spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 12.5 wt.% Mgcl2) , 20.0 $mm$

Sample processings