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. 2020 Nov 20;12(11):1118. doi: 10.3390/pharmaceutics12111118

Figure 1.

Figure 1

Phase diagram of carbon dioxide (CO2) (not to scale). S, L, and G denote the solid, liquid and gaseous phases respectively. Cp denotes the critical pressure point (31 °C, 7.3 Mpa) and Tp denotes the triple point (−56 °C, 0.5 MPa) for CO2.