Experiment
Near-infrared reflectance spectra at low temperature (300-62K) of Tschermigite and FE-Ammonium aluminium sulfate dodecahydrate [(NH4)Al(SO4)2·12(H2O)] powders with three grain size ranges (32-80, 80-125 and 125-150µm)
Sub-Experiment
32-80 µm grain sizes
Sub-Experiment
Temperature cycle of Tschermigite (270K - 90K - 270K)
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 270K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 90K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 100K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 110K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 120K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 130K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 140K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 150K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 160K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 180K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 200K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 220K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 245K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 270K (up) with 32-80 µm grain sizes
Sub-Experiment
Cooling down around PE-FE Ammonium aluminium sulfate dodecahydrate phase transition at 76K
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 260K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 80K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 79K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 78K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 77K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 76K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 75K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 74K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 73K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 70K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 65K (down) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 62K (down) with 32-80 µm grain sizes
Sub-Experiment
Warming up around FE-PE Ammonium aluminium sulfate dodecahydrate phase transition at 76K
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 65K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 70K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 73K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 74K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 75K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 76K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 77K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 78K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 79K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 80K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 90K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 100K (up) with 32-80 µm grain sizes
Spectrum
Near-infrared reflectance spectra of Tschermigite (PE alpha-Ammonium aluminium sulfate dodecahydrate) powder at 150K (up) with 32-80 µm grain sizes
Material
- Name
- Tschermigite powder 32-80µm
- Family
- solid
- Reference code
- A11/3
- Origin
- natural terrestrial
- Relevance
- main - major
- Mass
- 0.232 $\pm$ 0.002 $g$
- Mass fraction
- 1.0
- Texture
- compact
- Grain compacity
- 1.0
- Grain density
- 1.65 $g.cm^{-3}$
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 32.0 ${\mu}m$ 80.0 ${\mu}m$ 1.0 None - Size method
- sieving between 32 and 80µm mesh sieves