Spherical particles of salty H2O ice (10-100 µm typical particle diameter, 5 wt.% NaCl). Before electron irradiation. | BYPASS

Sample

Name: Spherical particles of salty H2O ice (10-100 µm typical particle diameter, 5 wt.% NaCl). Before electron irradiation.

Owner of sample

Database

BYPASS

Experimentalists

Rafael Ottersberg

Origin of sample

Date: 2024-07-01
Provider: Planetary Ice Laboratory, Space and Planetary Science division, Physics Institute, University of Bern

Image

Sample made of spherical particles of salty H2O ice (10-100 µm typical particle diameter) frozen from a 5 wt.% Nacl solution. Before electron irradiation. The reflectance spectrum is collected over the outlined red Region of Interest.

Physical characteristics

Thickness: 10.0 $\pm$ 1.0 $mm$
Diameter: 40.0 $mm$
Surface roughness: smooth
Substrate material: Black anodised aluminum

Sample environment: Temperature

Temperature: 178.04 $\pm$ 4.0 $K$
Temperature max: 200.0 $\pm$ 50.0 $K$

Sample environment: Fluid

Type: vacuum
Fluid pressure: 5.5e-07 $\pm$ 1.0e-07 $mbar$
Comments: Residual pressure in the chamber from the equilibrium between water vapor produced by sublimation and active pumping

Documentation and publication

Publications

Ottersberg et al., 2025, Icarus

Layers in sample

Number

Layers

Spherical particles of salty H2O ice (10-100 µm typical particle diameter, 5 wt.% NaCl). Before electron irradiation. , 10.0 $mm$

Sample processings