Table 1.
Ethane loading pressure and the corresponding ethane intracrystalline concentrations, which are obtained using the adsorption isotherm data (*) or the NMR data and mole balance (†)
Material | Loading Pressure (bar) | Concentration (mmol/g) |
---|---|---|
ZIF-7-8 | 7.9 ± 0.8 | 4.4 ± 1.1† |
ZIF-7-8 | 2.7 ± 0.3 | 2.9 ± 0.6† |
ZIF-7-8 | 0.78 ± 0.08 | 1.2 ± 0.2* |
ZIF-7-8 | 0.28 ± 0.03 | 0.7 ± 0.1* |
ZIF-8 | 7.9 ± 0.8 | 4.3 ± 0.6* |
ZIF-8 | 2.7 ± 0.3 | 3.4 ± 0.5* |
ZIF-8 | 0.89 ± 0.09 | 2.1 ± 0.3* |
ZIF-8 | 0.34 ± 0.03 | 0.80 ± 0.12* |