Solutions of Hydrogen Isotopes

In order to calculate the excess function using the method of 4 we need the following properties of the pure isotopes (cf. 19.4.3, 19.4.8, 19.4.9, 19.4.13) 

The most important quantities are v and / because we need them for the calculation of the excess free energy (19.4.8). 

The relevant thermodynamic properties of liquid Hj, HD, Dg insofar as they are known-are given in Table 19.5.1. 

THERMAL PROPERTIES OF LIQUID H , HD, D2 AT 20,3 K UNDER EQUILIBRIUM VAPOUR PRESSURE 

All values are taken from the review article of Wo clley, Scott and Brickwedde [1948], except those indicated by which are taken from Grilly [1951], The value in brackets is an interpolation between the values of H2 an D2. 

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