Spectrum preview
Title
Vis-NIR absorption coefficient spectrum of CH4 phase-I crystal at 90 K
Database
Experiment type
laboratory measurement
Spectrum type
absorption coefficient
Version
#1 (2017-11-17 17:16:56 UTC+0000)
Instrument parameters
Instrument
Nicolet 800 – transmission Near-IR
Spectral observation mode
spectrum
Valid spectral range(s)
2000.0 - 2968.0 $cm^{-1}$ ; 3072.0 - 7000.0 $cm^{-1}$
Observation geometry
direct :
Angle observation mode
fixed angles
Spatial observation mode
single spot
Instrument parameters
Instrument
Nicolet 800 – transmission Visible/red
Spectral observation mode
spectrum
Valid spectral range(s)
7000.0 - 14350.0 $cm^{-1}$
Observation geometry
direct :
Angle observation mode
fixed angles
Spatial observation mode
single spot
Sample preview
Name
CH4 crystalline I
Origin
laboratory
Texture
compact
Temperature
90.0 $\pm$ 0.1 $K$
Fluid
'
References
Data reference
Grundy, Will; Schmitt, Bernard (2001): Vis/Near-IR absorption coefficients spectra of liquid CH4, solid CH4-I and CH4-II from 93 to 20 K. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20130114_001