Research Article

Quantitative Raman Spectroscopic Determination of the Composition, Pressure, and Density of CO2-CH4 Gas Mixtures

Figure 9

Effect of temperature on the Raman peak positions of (a) the υ1 band of CH4 for pure CH4 and 10 mol% CH4 and (b) Fermi diad splitting of CO2 (Δ) for pure CO2 and 10 mol% CH4 as a function of pressure.
(a)
(b)