Components:
(1) Helium,
He; [7440-59-7]
NIST WebBook
(1) Nitrogen (Molecule),
N2; [7727-37-9]
NIST WebBook
(1) Oxygen,
O2; [7782-44-7]
NIST WebBook
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(1) Methane,
CH4; [74-82-8]
NIST WebBook
(2) Poly(amide aminoacid) 6FDA-TADPO,
None; [132634-94-7]
NIST WebBook
Original Measurements
Walker, D. R. B.; Koros, W. J.; J. Membr. Sci.; 55, 99-117 (1991).
Variables:
Ambient temperature: 308 K
Pressure: 0.3 - 1.0 MPa
Prepared by:
Method/Apparatus/Procedure:
Pressure decay method and apparatus was used.
Source and Purity of Materials:
- The polymer was synthesized according to ref. (1). It had a density 1.413 g/cc. All the gases were Linde UHP (purity more than 99.97%).
References
1 Foster, R. T.; Marvel C. S. J. Polym. Sci., A, 1965, 3, 417.
Experimental Values:
Solubility coefficient S /cm3 (STP)/cm3 atm
| β (cm3(g) cm-3(s) atm-1) |
|---|
| 5.8 x 10-2 |
| 3.3 x 10-1 |
| 5.6 x 10-1 |
| 3.05 |
| 8 x 10-1 |
