Figure 1: The experimental pressure dependence on temperature for the mixture 0.987 Н2О+0.013 n/С5Н12 (mole fractions) along isochors: 1-96.94 kg/ m3; 2-193.9 kg/m3; 3-290.8 kg/m3; 4-387.8 kg/m3; 5-484.69 kg/m3; 6-581.6 kg/ m3; 7-613.6 kg/m3; 8-644.8 kg/m3; 9-678.56 kg/m3; 10-707.6 kg/m3.