Experiment
Title
Vis-NIR spectra of NH4-Montmorillonite, Antigorite, Dolomite and Graphite and their mixtures with different grain sizes and temperatures (140-300 K)
DOI
10.26302/SSHADE/EXPERIMENT_BS_20191214_001
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
Publications
Type(s)
laboratory measurement
Description
Vis-NIR spectra of NH4-Montmorillonite (0-25µm / 180-290K; 25-50µm / 200K), Antigorite (25-50µm / 200K; 50-100µm / 180-290K), Dolomite (0-25µm / 140-200K; 50-100µm / 200K), and Graphite (>100µm / 290K) and 5 mixtures: #1: Mo6%:An5%:Do5%:Gr84% (0-25µm / 290K); #2: Mo17%:An24%:Do57%:Gr2% (50-100µm / 290K); #3a: Mo9%:An19%:Do64%:Gr8% (50-100µm / 290K); #3b: Mo9%:An19%:Do60%:Gr12% (50-100µm / 290K); #4: Mo28%:An36%:Do18%:Gr18% (0-25, 25-50, 50-100µm / 200, 300K)
Number of spectra
42
Variable type(s)
  • sample composition
  • sample grain size
  • temperature
Instrument
SHINE Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
Aluminum cylindrical cell (10 mm diameter, 2 mm deep) inside P-T controled copper cell closed by sapphire windows and cooled by helium cryocooler (CarboN-IR environmental cell)
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge
#1 600.0 - 660.0 20.0 3.2 1.0
#2 680.0 - 1380.0 20.0 6.4 1.0
#3 1400.0 - 2980.0 20.0 12.7 2.0
#4 3000.0 - 4180.0 20.0 25.7 4.0
Comments
measured in the 400-4200nm range using 1.0 mm slit - several high pass filters to cut higher diffraction orders of the grating
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
30.0°
Azimuth angle
0.0°
Phase angle
30.0°
Resolution illumination
5.8°
Resolution observation
4.1°
Comments
using the 'Gognito' attachment
Observation mode
single spot
Spatial resolution
7.5 $mm$
Instrument
SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
Aluminum cylindrical cell (10 mm diameter, 2 mm deep)
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge
#1 400.0 - 660.0 20.0 3.2 1.0
#2 680.0 - 1380.0 20.0 6.4 1.0
#3 1400.0 - 2980.0 20.0 12.7 2.0
#4 3000.0 - 4000.0 20.0 25.8 4.0
Comments
measured in the 400-4000nm range using 1.0 mm slit - several high pass filters to cut higher diffraction orders of the grating
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
30.0°
Azimuth angle
0.0°
Phase angle
30.0°
Resolution illumination
5.8°
Resolution observation
4.1°
Observation mode
single spot
Spatial resolution
5.2 $mm$
Date begin
2019-02-18

Versions

Release date
2020-03-02 12:02:26 UTC+0000
Version (Date)
#1 (2019-12-19 11:03:01 UTC+0000, Updated: 2020-03-02 18:16:42 UTC+0000)
Sponsors
  • European Commission - Horizon 2020-RI (EC-H2020) (EPN2020-RI: Europlanet 2020 Research Infrastructure, grant No 654208 (TA2/DPSF/CSS/18-EPN4-039))