Spectrum

NIR spectrum of opal-CT 1552a at low pressure

Title
NIR spectrum of opal-CT 1552a at low pressure
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Data
Unit:  Range: Valid spectral range(s): 4000.0 - 9000.0 cm-1
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DOI
10.26302/SSHADE/EXPERIMENT_LB_20200201_001
Data reference
Chauviré, Boris; Quirico, Eric; Beck, Pierre (2019): NIR spectra of a series of opal (-A and -CT) in ambient conditions and at low temperature (~ -35°C) and/or low pressure (~ 8 mbar). SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20200201_001
Publications
Database
Experimentalists
Spectrum type
Experiment type
laboratory measurement
Type
absorbance
Instrument #1
Instrument
Brucker Vertex 70 + Hyperion 3000 – micro-transmission Near-IR
Sample holder
low temperature cell designed at IPAG
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 4000.0 - 9000.0 4.0
Scan number
100
Observation mode
single spot
Objective type
x15
Image size
300.0 x 300.0 μm
Name
CT-1552a
Changes
Opal releases molecular water at low pressure, inducing changes on all bands. However, this dehydration is not systematic.
Experiment
NIR spectra of a series of opal (-A and -CT) in ambient conditions and at low temperature (~ -35°C) and/or low pressure (~ 8 mbar)
Date begin
2019-01-01
Release date
2021-09-07 06:39:16+0000 UTC
Version (Date)
#1 (2021-09-07 06:39:16+0000 UTC, Updated: 2021-09-22 17:33:35+0000 UTC)
History
Date Mode Version Status Comments
2020-11-04 17:29:26+0000 UTC first import #1 valid version
Analysis
baseline corrected data
Quality flag
4