Sample
Name
Water ice particles 67±31μm containing 1wt% Nontronite in intra-mixture at 173 K
Database
Experimentalists
Date
2019-04-16
Nontronite icy sample before the start of the sublimation experiment, inside the CarboNIR vacuum chamber.
Physical characteristics
Thickness
20.0 $\pm$ 1.0 $mm$
Diameter
48.0 $mm$
Surface roughness
smooth
Sample changes
The sample was measured under about 0.10 mbar of dinitrogen, just after its preparation and before the start of the sublimation of its surface.
Substrate material
black aluminum tape
Substrate comments
Cylindrical container of 4.8 cm diameter and 2.0 cm depth, which had been coated with black matte aluminum tape on the inside.
Comments
Fresh sample prepared just before the measurement.
Temperature
173.0 $K$
Temperature max
173.0 $K$
Type
vacuum
Fluid temperature
173.0 $K$
Fluid pressure
1.0 $bar$
Comments
The sample was prepared in a container cooled with liquid nitrogen, in a freezer.
Pressure
0.1 $\pm$ 0.05 $mbar$
Publications
Number
1
Layers
Title
Preparation of the layer of Water ice particles containing Nontronite

Precursors

Matters

Produced sample

Sample
Water ice particles 67±31μm containing 1wt% Nontronite in intra-mixture at 173 K (this sample)
Processing steps
Step Chronology Date Type Process Changes
#1 during layer formation 2019-04-16 layer formation Inside the freezer, we sieved the ice-dust mixture (mesh size 400 µm) to fill the 2 cm-deep sample holder to the rim, smoothing the surface with a spatula. The holder and spatula had been pre-cooled with liquid nitrogen.