MIR absorbance spectrum of whole-rock NWA14250 CR chondrite in KBr pellet at ambient temperature
- Title
- MIR absorbance spectrum of whole-rock NWA14250 CR chondrite in KBr pellet at ambient temperature
- DOI
- 10.26302/SSHADE/EXPERIMENT_LB_20221017_001
- Data reference
- Prestgard, Trygve; Beck, Pierre; Bonal, Lydie (2021): Bulk-rock FTIR MIR spectra of CR chondrites. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20221017_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- normalized absorbance
- Reference position
- 1000.0 $cm^{-1}$
- Model parameters
- The spectra are normalized to the maximum intensity of the Si-O stretching band
- Instrument
- Brucker Vertex 70v – transmission Mid-IR
- Sample holder
- open sample holder (7mm diameter, 1 mm deep) in anodized aluminum (not blackened)
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- MIR
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 400.0 - 5000.0 1.9287 4.0 0.05 - Scan number
- 1
- Observation mode
- single spot
- Spots number
- 1
- Resolutions
- 3.0 ${\pm}$ 1.0 ${\mu}m$
- Comments
- laser right in the center - spot of a few microns
- Name
- NWA14250 KBr Pellet
- Primary material(s)
- Experiment
- Bulk-rock FTIR MIR spectra of CR chondrites
- Date begin
- 2021-01-01
- Release date
- 2024-02-21 14:20:00 UTC+0000
- Version (Date)
- #1 (2024-02-21 14:20:00 UTC+0000, Updated: 2024-02-21 14:20:00 UTC+0000)
- History
-
Date Mode Version Status Comments 2022-10-18 14:55:06 UTC+0000 first import #1 valid version
- Analysis
- calibrated transmission spectrum converted in absorbance + normalized to the maximum intensity of the Si-O stretching band
- Quality flag
- 3
- Validator(s)