Palagonite JSC Mars-1 with 6.09% adsorbed H2O - desorption | GhoSST | SSHADE

Sample

Name: Palagonite JSC Mars-1 with 6.09% adsorbed H2O - desorption

Owner of sample

Database

GhoSST

Experimentalists

Origin of sample

Date: 2007-01-01
Provider: IPAG
Previous sample: Palagonite JSC Mars-1 with 6.39% adsorbed H2O - desorption
Parent sample: Palagonite JSC Mars-1 with 5.16% adsorbed H2O

Physical characteristics

Thickness: 1.0 $\pm$ 0.1 $mm$
Diameter: 30.0 $mm$
Volume: 710.0 $mm^3$
Mass: 0.7426 $\pm$ 0.0104 $g$
Surface roughness: low
Substrate material: aluminum anodized black
Substrate comments: depth 1mm
Comments: adsorption cycle of H2O under different pressures

Sample environment: Temperature

Temperature: 243.1 $\pm$ 1.0 $K$
Time at T: 0.0 $min$
Temperature max: 443.0 $K$
Time at Tmax: 600.0 $min$
Comments: Sample temperature error is mostly due to possible vertical temperature gradient in the sample. Temperature reading accuracy and stability is 0.1K - Small pressure applied during sample flattening with a spatula

Sample environment: Fluid

Type

molecular gas

Fluids

$H_2O$ 100.0 %

Fluid temperature

243.0

$\pm$ 2.0

$K$

Fluid pressure

8.0e-05

$\pm$ 5.0e-06

$mbar$

Comments

P/Ps = 0.00021 (+/)- 0.00002 - Fluid temperature error depicts estimated thermal gradient of gas in the cell

Documentation and publication

Publications

Pommerol et al., 2009, Icarus, 204, 114 - 136

Layers in sample

Number

1

Arrangement

The sample holder is filled to rim with the non-compacted sample powder

Layers

Layer #1 , 1.0 $mm$