Research Article
Quantitative Raman Spectroscopic Determination of the Composition, Pressure, and Density of CO2-CH4 Gas Mixtures
Figure 13
(a) Raman peak area ratio between the upper hot band and the upper Fermi domain versus temperature at 20 MPa for different CO2-CH4 mixtures. (b) Raman peak area ratio between the upper hot band and the upper Fermi domain versus temperature at 70% CH4-30% CO2 and different pressures.
| (a) |
| (b) |