266 



ISOTOPIC TRACERS AND NUCLEAR RADIATIONS 



[Chap. 8 



Table 29. Densities of Mixtures of H 2 and D 2 

 Combined experimental data of Longsworth [33], Swift [31,34], and Tronstad ct al. [30]. 



Table 30. Densities of Mixtures of D 2 and H 2 at 25°C 

 Calculated [31] from the formula 



N 



41 = 1 + 



9.257 + 0.033iV 



