Spectrum

MIR absorbance spectrum of whole-rock and leached MIL090001 CR chondrite in KBr pellet at ambient temperature

Title
MIR absorbance spectrum of whole-rock and leached MIL090001 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
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
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)