Using a capillary technique, a study was made of the diffusion of 22Na in the melt (table 176). The results, for 1022 to 1132C, could be described by:

D (cm2/s) = 3.08 x 10-3 exp[-8.7(kcal/mol)/RT]

Transport Properties in Fused NaF. K.Grjotheim: Journal de Chimie Physique et de Physicochimie Biologique, 1969, October, 145-52

 

Table 176

Self-Diffusion of 22Na in Molten NaF

 

Temperature (C)

D (cm2/s)

1022

1.03 x 10-4

1030

1.88 x 10-4

1045

1.10 x 10-4

1052

1.14 x 10-4

1060

1.19 x 10-4

1081

1.16 x 10-4

1102

1.24 x 10-4

1117

1.27 x 10-4

1120

1.28 x 10-4

1132

1.36 x 10-4