Table 3: Permeability, diffusivity and solubility for hydrogen and carbon dioxide from the time lag method.
|
Hydrogen |
Carbon dioxide |
Selectivity (PH2/PCO2) |
| Assay |
Permeability (barrers) |
Diffusivity (cm^2/s X) E-07 |
Solubility (cm^3 (STP)/cm^3 cm Hg) |
Permeability (barrers) |
Diffusivity (cm^2/s X) E-08 |
Solubility (cm^3 (STP)/cm^3 cm Hg) |
| A |
7.43 ± 0.00 |
4.38 ± 0.36 |
0.0017 |
2.97 ± 0.00 |
4.10 ± 0.25 |
0.0072 |
2.50 |
| B |
6.69 ±0.00 |
4.00 ± 0.40 |
0.0017 |
3.34 ± 0.00 |
4.93 ± 0.06 |
0.0068 |
2.00 |
| C |
10.07 ± 0.00 |
4.97 ± 0.47 |
0.0020 |
2.88 ± 0.00 |
5.16 ± 0.27 |
0.0056 |
3.50 |
| D |
8.092 ± 0.76 |
8.62 ± 0.94 |
0.0009 |
3.24 ± 0.00 |
9.77 ± 0.42 |
0.0033 |
2.50 |
| E |
5.09 ± 0.48 |
1.31 ± 0.10 |
0.0039 |
2.72 ± 0.00 |
1.97 ± 0.14 |
0.0138 |
1.87 |
| F |
5.86 ± 0.36 |
1.34 ± 0.16 |
0.0044 |
2.80 ± 0.36 |
2.98 ± 0.11 |
0.0094 |
2.09 |
| G |
10.51 ± 0.00 |
2.35 ± 0.32 |
0.0045 |
3.94 ± 0.00 |
3.47 ± 0.22 |
0.0113 |
2.66 |
| H |
6.41 ± 0.00 |
2.11 ± 0.00 |
0.0030 |
2.71 ± 0.35 |
2.58 ± 0.08 |
0.0105 |
2.36 |