Components:
(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(trimethylsilyl propyne),
None; [87842-32-8]
NIST WebBook
Original Measurements
Ichiraku, Y.; Stern, S. A.; Nakagawa, T.; J. Membr. Sci. 34, 5 (1987).
Variables:
Ambient temperature: 308 and 328 K
Pressure: 0 - 2.7 MPa (0 - 27 atm)
Prepared by:
Method/Apparatus/Procedure:
The solubility was measured by a volumetric method. The apparatus and the procedure are described in detail in Ref. 1.
Source and Purity of Materials:
- Gases: purity >99.5%.
PTMSP: Sanyo Chemical Industries, density 0.938 g/cm3, Mw = 700 000, no glass transition observed below 473 K.
Estimated Errors:
Mass concentration (m/v) (1): Relative precision of solubilities: from ±6.6%(C02) to ±54%(N2).
References
1 Shah, V. M.; Hardy, B. J.; Stern, S. A.; J. Polym. Sci., Part B: Polym. Phys. 24, 2033 (1986).
Experimental Values:
Dual mode sorption parameters for various gases in PTMSP at 308 K
| H (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) |
|---|---|---|
| 1.497 | 112.9 | 5.8 x 10-2 |
| 9.78 x 10-1 | 71.9 | 5.9 x 10-2 |
| 6.67 x 10-1 | 87.8 | 3.5 x 10-2 |
| 4.31 x 10-1 | 15.4 | 4.2 x 10-2 |
| 6.56 x 10-1 | 16.8 | 3.6 x 10-2 |
(*) At 328 K.
None
