Spectrum preview
Title
Near-infrared reflectance spectra of FE-Ammonium aluminium sulfate dodecahydrate powder at 75K (down) with 32-80 µm grain sizes
Database
Experiment type
laboratory measurement
Spectrum type
reflectance factor
Version
#1 (2022-04-22 18:34:16 UTC+0000)
Instrument parameters
Instrument
SHINE Spectro-Gonio bidirectional reflection Vis-NIR
Spectral observation mode
spectrum
Valid spectral range(s)
1000.0 - 1600.0 $nm$ ; 1610.0 - 2830.0 $nm$ ; 2840.0 - 3200.0 $nm$ ; 3220.0 - 4180.0 $nm$ ; 4340.0 - 4800.0 $nm$
Observation geometry
bidirectional : i=0.0° ; e=20.0° ; az=0.0° ; ph=20.0°
Angle observation mode
fixed angles
Spatial observation mode
single spot
Sample preview
Name
Ammonium aluminium sulfate dodecahydrate (phase FE) powder - grains: 32-80µm
Origin
laboratory
Texture
pulverulent
Thickness
3.5 $\pm$ 0.1 $mm$
Temperature
75.0 $\pm$ 0.5 $K$
References
Data reference
Fastelli, Maximiliano; Comodi, Paola; Schmitt, Bernard; Beck, Pierre; Poch, Olivier (2020): 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). SSHADE/CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20201114_011