Spectrum

Average normalized Raman spectrum (λexc = 514 nm, 700-2000 cm-1) of a matrix grain of Bali meteorite

Title
Average normalized Raman spectrum (λexc = 514 nm, 700-2000 cm-1) of a matrix grain of Bali meteorite
DOI
10.26302/SSHADE/EXPERIMENT_LB_20140114_001
Data reference
Bonal, Lydie (2003): Raman spectra (λ = 514 nm) of matrix grains of CV meteorites. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20140114_001
Publications
Database
Experimentalists
Experiment type
laboratory measurement
Type
normalized Raman scattering intensity
Intensity unit
AU
Reference position
1600.0 $cm^{-1}$
Instrument
LabRAM HR800 micro-Raman Vis - 514 nm
Sample holder
microscope glass slide in ambient room air
Standard medium
air
Observation mode
spectrum
Spectral range type(s)
MIR
Excitation wavelength
514.5 nm
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 700.0 - 3700.0 0.525 1.0 0.2
Filters
Type Center/Edge ($cm^{-1}$) Width ($cm^{-1}$) Place
#1 notch filter 0.0 76.0
Scan number
2
Comments
Notch filter: (514 +/- 2) nm + neutral density filter 20%
Observation geometry
other geometry
Observation mode
fixed angles
Observation mode
single spot
Objective type
x50
Pixels number
1 x 1
Image size
2.0 x 2.0 ${\mu}m$
Name
Bali_514 meteorite grains
Primary constituent(s)
  • matrix Bali
    Comments: matrix grains containing some polyaromatic carbonaceous matter
Experiment
Raman spectra (λ = 514 nm) of matrix grains of CV meteorites
Parent spectrum
Date begin
2003-06-13
Release date
2018-01-31 23:51:01 UTC+0000
Version (Date)
#1 (2018-01-31 23:51:01 UTC+0000, Updated: 2020-02-11 10:16:30 UTC+0000)
History
Date Mode Version Status Comments
2017-07-04 10:13:32 UTC+0000 first import #1 valid version 2016-10-20: new import of Raman spectra
Analysis
average spectrum of 11 individual spectra recorded at different places on the grain, normalized to the G band, background substracted
Quality flag
4
Validator(s)