MIR-FIR normalized Raman spectrum of Calcite hydrothermal concretion (Massif Central, F)
- Title
- MIR-FIR normalized Raman spectrum of Calcite hydrothermal concretion (Massif Central, F)
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20220803_001
- Data reference
- Schmitt, Bernard; Leclef, Apolline; Montagnac, Gilles (2021): Calcite: Vis-NIR and Mid-IR diffuse reflectance, MIR specular reflectance and Raman spectra of powders and blocks. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20220803_001
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- normalized Raman scattering intensity
- Intensity unit
- no unit
- Reference position
- 1086.6 $cm^{-1}$
- Comments
- no OH bands in the 3000-3800 $cm^{-1}$ range
- Instrument
- Micro-Raman LabRam HR800 - 532 nm
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- MIR, FIR
- Excitation wavelength
- 532 nm
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 60.0 - 2000.0 0.46 0.92 0.1 - Filters
-
Type Center/Edge ($cm^{-1}$) Width ($cm^{-1}$) Place #1 532.3 nm Edge filter 100.0 - Comments
- sampling from 0.52 @ 60 $cm^{-1}$ to 0.40 @ 2000 $cm^{-1}$ (1800 liges/mm ). Also measured the 3000-3800 $cm^{-1}$ range: no signal. Edge filter: 532.3 nm transition width 100 $cm^{-1}$
- Observation geometry
- confocal
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 0.0°
- Observation mode
- single spot
- Objective type
- x50
- Resolutions
- 1.0 ${\mu}m$
- Comments
- spot of 1 µm in diameter
- Name
- Calcite hydrothermal concretion
- Comments
- Contain a small amount of $H_2O$
- Experiment
- Calcite: Vis-NIR and Mid-IR diffuse reflectance, MIR specular reflectance and Raman spectra of powders and blocks
- Date begin
- 2022-06-08
- Release date
- 2024-06-09 15:59:28 UTC+0000
- Version (Date)
- #1 (2024-06-09 15:59:28 UTC+0000, Updated: 2024-07-10 17:41:11 UTC+0000)
- History
-
Date Mode Version Status Comments 2022-08-19 19:39:50 UTC+0000 first import #1 valid version
- Analysis
- raw Raman spectrum baseline corrected (low degree polynomial) to remove some background luminescence, and normalized to 1 at the main peak at 1086.6 $cm^{-1}$ .
- Quality flag
- 4
- Validator(s)