Initial Pressure (atm) & Initial Pressure (kPa) & Cell Length (mm) \\ 0.12928 & 13.09606 & 86.61 \\ 0.16257 & 16.46834 & 73.288 \\ 0.19501 & 19.75451 & 67.459 \\ 0.22748 & 23.04372 & 62.078 \\ 0.25983 & 26.32078 & 45.155 \\ 0.31293 & 31.69981 & 44.392 \\ 0.39012 & 39.51916 & 35.004 \\ 0.45989 & 46.58686 & 28.243 \\