MIR absorbance spectra of bulk chondrites (CI, CY, C2-Ung, CM) and of mixtures of CI and CM in KBr pellets under ambient conditions of temperature and pressure | GhoSST

Experiment

Title: MIR absorbance spectra of bulk chondrites (CI, CY, C2-Ung, CM) and of mixtures of CI and CM in KBr pellets under ambient conditions of temperature and pressure

DOI

10.26302/SSHADE/EXPERIMENT_LB_20240223_001

Data reference

Prestgard, Trygve; Beck, Pierre (2023): MIR absorbance spectra of bulk chondrites (CI, CY, C2-Ung, CM) and of mixtures of CI and CM in KBr pellets under ambient conditions of temperature and pressure. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20240223_001

Publications

Prestgard et al., 2024, Icarus

Owner

Database(s)

GhoSST

Experimentalists

Spectra preview

Experiment type

Type(s): laboratory measurement
Description: FTIR MIR spectra Orgueil and Alais CI chondrites, of Dhofar 2066 and Y86720 (CY chondrites), Tagish Lake (C2ung), LEW85311, MAC88100, QUE93005 and MET01070 (CM chondrites) and mixtures of Orgueil and MET01070
Number of spectra: 12

Variable parameters

Variable type(s)

other
sample composition

Location

Laboratory: Institut de Planétologie et Astrophysique de Grenoble (IPAG)

Instrument #1

Instrument: Brucker Vertex 70v – transmission Mid-IR
Sample holder: open sample holder (7mm diameter, 1 mm deep) in anodized aluminum (not blackened)

Spectral parameters

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

Spatial parameters

Observation mode: single spot
Spots number: 1
Spatial resolution: 3.0 ${\pm}$ 1.0 ${\mu}m$
Comments: laser right in the center - spot of a few microns

History

Date begin: 2023-01-01

Versions

Release date: 2025-04-04 09:07:24 UTC+0000
Version (Date): #1 (2025-04-04 09:07:24 UTC+0000, Updated: 2025-04-04 09:07:24 UTC+0000)