Experiment
Title
Vis-NIR reflectance spectra of several powdered iron oxides
DOI
10.26302/SSHADE/EXPERIMENT_OP_20250122_001
Data reference
Valantinas, Adomas; Ottersberg, Rafael; Pommerol, Antoine (2023): Vis-NIR reflectance spectra of several powdered iron oxides. SSHADE/BYPASS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_OP_20250122_001
Publications
Comments
This experiment corresponds to Supplementary Fig. 4 in the article
Type(s)
laboratory measurement
Description
NIR reflectance spectra (i = 0°, e = 30° of powdered samples of feroxyhyte, goethite, magnetite, akaganeite and maghemite
Number of spectra
5
Variable type(s)
  • sample composition
Instrument
MoHIS - Hyperspectral imaging system Vis-NIR
Sample holder
aluminum sample holder
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
#1 395.0 - 1920.0 5.0 6.5
#2 1680.84 - 2166.9 6.5
Observation geometry
biconical
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
30.0°
Observation mode
roi averaged
Date begin
2023-03-01

Versions

Release date
2025-01-22 18:39:30 UTC+0000
Version (Date)
#1 (2025-01-22 18:39:30 UTC+0000, Updated: 2025-01-23 13:25:15 UTC+0000)