Experiment
Vis-NIR reflectance spectra of JSC Mars 1 or Dark basalt powders pure, and/or mixed with H2O ice (with ice particles ~4 or ~67 µm, or in a slab), and/or covered with H2O frost
Sub-Experiment
Mineral powders
Sub-Experiment
JSC Mars-1
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (original powder) at 293 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (grains > 400 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (grains 200-400 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (grains 100-200 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (grains < 100 µm) at 293 K
Sub-Experiment
Dark basalt
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (original powder) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (grains > 400 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (grains 200-400 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (grains 100-200 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (grains < 100 µm) at 293 K
Sub-Experiment
Water frost on JSC Mars-1
Sub-Experiment
Water frost on grains > 400 µm
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (grains > 400 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~14 µm thick) on JSC Mars-1 (grains > 400 µm) at ~110 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~33 µm thick) on JSC Mars-1 (grains > 400 µm) at ~110 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~50 µm thick) on JSC Mars-1 (grains > 400 µm) at ~110 K
Sub-Experiment
Water frost on grains < 100 µm
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (grains < 100 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~14 µm thick) on JSC Mars-1 (grains < 100 µm) at ~110 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~33 µm thick) on JSC Mars-1 (grains < 100 µm) at ~110 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~50 µm thick) on JSC Mars-1 (grains < 100 µm) at ~110 K
Sub-Experiment
Water frost on Dark basalt
Sub-Experiment
Water frost on grains > 400 µm
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (grains > 400 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~13 µm thick) on Dark basalt (grains > 400 µm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~52 µm thick) on Dark basalt (grains > 400 µm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~75 µm thick) on Dark basalt (grains > 400 µm) at ~100 K
Sub-Experiment
Water frost on grains < 100 µm
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (grains < 100 µm) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~13 µm thick) on Dark basalt (grains < 100 µm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~52 µm thick) on Dark basalt (grains < 100 µm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~75 µm thick) on Dark basalt (grains < 100 µm) at ~100 K
Sub-Experiment
Intimate mixture of Water ice and JSC Mars-1
Sub-Experiment
Intimate mixture with water ice particles 4.5±2.5 μm
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (original powder) at 293 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 10 wt% Water ice particles (4.5±2.5 μm) at ~90 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 35 wt% Water ice particles (4.5±2.5 μm) at ~90 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 50 wt% Water ice particles (4.5±2.5 μm) at ~90 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 75 wt% Water ice particles (4.5±2.5 μm) at ~90 K
Spectrum
Vis-NIR reflectance spectrum of Water ice particles (4.5±2.5 μm) at ~120 K
Sub-Experiment
Intimate mixture with water ice particles 67±31 μm
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 (original powder) at 293 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 10 wt% Water ice particles (67±31 μm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 35 wt% Water ice particles (67±31 μm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 50 wt% Water ice particles (67±31 μm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of JSC Mars-1 mixed with 75 wt% Water ice particles (67±31 μm) at ~100 K
Spectrum
Vis-NIR reflectance spectrum of Water ice particles (67±31 μm) at ~120 K
Sub-Experiment
Intimate mixture of Water ice and Dark basalt
Sub-Experiment
Intimate mixture with water ice particles 67±31 μm
Spectrum
Vis-NIR reflectance spectrum of Dark basalt (original powder) at 293 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt mixed with 35 wt% Water ice particles (67±31 μm) at ~120 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt mixed with 50 wt% Water ice particles (67±31 μm) at ~120 K
Spectrum
Vis-NIR reflectance spectrum of Dark basalt mixed with 75 wt% Water ice particles (67±31 μm) at ~120 K
Spectrum
Vis-NIR reflectance spectrum of Water ice particles (67±31 μm) at ~120 K
Sub-Experiment
Intimate mixture with water ice particles 67±31 μm and Frost
Spectrum
Vis-NIR reflectance spectrum of Water frost (~80 µm) over Dark basalt mixed with 35 wt% Water ice particles (67±31 μm) at ~120 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~80 µm) over Dark basalt mixed with 50 wt% Water ice particles (67±31 μm) at ~120 K
Spectrum
Vis-NIR reflectance spectrum of Water frost (~80 µm) over Dark basalt mixed with 75 wt% Water ice particles (67±31 μm) at ~120 K
Sub-Experiment
Water saturated frozen soils
Sub-Experiment
JSC Mars-1 (grains < 100 µm)
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (87 wt%) JSC Mars-1 (grains < 100 µm) after 3h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (87 wt%) JSC Mars-1 (grains < 100 µm) after 7h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (87 wt%) JSC Mars-1 (grains < 100 µm) after 14h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (87 wt%) JSC Mars-1 (grains < 100 µm) after 17h of sublimation
Sub-Experiment
Dark basalt (grains < 100 µm)
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (90 wt%) Dark Basalt (grains < 100 µm) after 3h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (90 wt%) Dark Basalt (grains < 100 µm) after 3.5h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (90 wt%) Dark Basalt (grains < 100 µm) after 4h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (90 wt%) Dark Basalt (grains < 100 µm) after 4.5h of sublimation
Spectrum
Vis-NIR reflectance spectrum of Frozen water saturated (90 wt%) Dark Basalt (grains < 100 µm) after 4.6h of sublimation
- Database
- Experimentalists
- Date
- 2018-01-12
SPIPA-B water ice particles in the sample holder during the measurement.
SPIPA-B water ice particles observed with Scanning Electron Microscope.
- Thickness
- 20.0 mm
- Diameter
- 20.0 mm
- Surface roughness
- granular
- Substrate material
- aluminum sample holder covered with a black aluminum tape
- Comments
- Fresh sample prepared just before the measurement.
- Temperature
- 120.0 ± 10.0 K
- Comments
- The temperature of the sample was not controlled and measured precisely.
- Type
- vacuum
- Fluid temperature
- 120.0 K
- Fluid pressure
- 20.0 ± 1.0 mbar
- Number
- 1
- Layers
-
- Layer #1 , 20.0 mm
- Title
- Deposition of the ice particles into the sample holder by sieving
- Matters
- Sample
- Water ice spherical particles 67±31 μm at about 120 K (this sample)
- Processing steps
-
Step Chronology Date Type Process Changes #1 during layer formation layer formation Deposition of the particles of ice in the sample holder using a 400 µm sieve This step prevents the deposition of large agglomerates of several particles on the surface.