Tracer (137Cs) diffusion in 3N-purity glasses was studied as a function of composition (table 177).
H.Jain, N.L.Peterson, H.L.Downing: Journal of Non-Crystalline Solids, 1983, 55[2], 283-300
Table 177
Diffusivity of 137Cs in SiO2-Na2O-Cs2O Glasses at 396.5C
Cs (mol%) | Na (mol%) | D (cm2/s) |
0 | 100 | 4.46 x 10-15 |
10.7 | 89.3 | 1.40 x 10-14 |
24.2 | 75.8 | 6.08 x 10-14 |
34.8 | 65.2 | 3.26 x 10-13 |
40.5 | 59.5 | 8.78 x 10-13 |
74.3 | 25.7 | 5.71 x 10-11 |
100 | 0 | 9.66 x 10-10 |
Table 178
Diffusivity of 22Na in SiO2-Na2O-Cs2O Glasses
Cs (mol%) | Na (mol%) | Temperature (C) | D (cm2/s) |
0 | 100 | 396.5 | 8.25 x 10-9 |
10.7 | 89.3 | 396.5 | 2.88 x 10-9 |
10.7 | 89.3 | 198.0 | 5.19 x 10-12 |
21.8 | 78.2 | 396.5 | 1.05 x 10-9 |
24.2 | 75.8 | 396.5 | 6.35 x 10-10 |
34.8 | 65.2 | 396.5 | 2.13 x 10-10 |
34.8 | 65.2 | 345.8 | 4.43 x 10-11 |
34.8 | 65.2 | 305.8 | 1.20 x 10-11 |
40.5 | 59.5 | 396.5 | 9.58 x 10-11 |
74.3 | 25.7 | 396.5 | 2.28 x 10-11 |
100 | 0 | 396.5 | 1.89 x 10-11 |