Spectrum preview
Title
Vis-NIR spectrum of NH4-Montmorillonite with 0-25µm grain sizes at 190K
Database
Experiment type
laboratory measurement
Spectrum type
reflectance factor
Version
#1 (2019-12-19 11:03:01 UTC+0000)
Instrument parameters
Instrument
SHINE Spectro-Gonio bidirectional reflection Vis-NIR
Spectral observation mode
spectrum
Valid spectral range(s)
600.0 - 660.0 $nm$ ; 680.0 - 1380.0 $nm$ ; 1400.0 - 2980.0 $nm$ ; 3000.0 - 4180.0 $nm$
Observation geometry
bidirectional : i=0.0° ; e=30.0° ; az=0.0° ; ph=30.0°
Angle observation mode
fixed angles
Spatial observation mode
single spot
Sample preview
Name
NH4-montmorillonite powder 0-25 µm
Origin
natural terrestrial
Texture
pulverulent
Thickness
2.0 $\pm$ 0.2 $mm$
Temperature
190.0 $\pm$ 1.0 $K$
Fluid
References
Data reference
Galiano, Anna; Dirri, Fabrizio; Schmitt, Bernard; Beck, Pierre; Brissaud, Olivier (2019): Vis-NIR spectra of NH4-Montmorillonite, Antigorite, Dolomite and Graphite and their mixtures with different grain sizes and temperatures (140-300 K). SSHADE/CSS+REFL_SLAB (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20191214_001