1.0 0.9 0.8 0.7 TD=1.20 7=1.10 e Legend x Methane Iso-pentane TD=1.00 o Ethylene n-heptane △Eth o Propane Carbon dioxide an- butane· Water Average curve based on data on hydrocarbons 1.01.5 2.5 3.03.54.0 5.05.5606.57.0 Reduced pressure PR 515