The migration of both isotopes towards the cold end of samples occurred, and the heat of transport was greater for D than for H (table 183). No definite variation in the degree of thermotransport could be discerned.

D.T.Peterson, M.F.Smith: Metallurgical Transactions A, 1982, 13[5], 821-5

 

 

 

Table 183

Heat of Transport of H and D in Nb, Ta and V

 

Temperature (C)

Isotope

H (kJ/mol)

35

H

1.4

35

D

4.8

175

H

1.8

175

D

6.1