Compilation - Nitrogen with Ethyne, Hydrogen, Carbon dioxide and Polystyrene (PS) (IUPAC SDS Volume 70)
SDS Volume (4081)
Volume 70. Solubility of Gases in Glassy Polymers, p None
Original Measurements
Newitt, D. M.; Weale, K. E.; J. Chem. Soc.; 1541-1549 (1948).
Variables:
Room Temp:
347 - 464
$\pu{K}$
Pressure:
8.0 - 30.0
$\pu{MPa}$
Prepared by:
Method/Apparatus/Procedure:
Manometric method of measurement of solubility was used.
Source and Purity of Materials:
- PS from B.X. Plastics Ltd. was studied. No characteristics of the polymer given.
Components:
- Nitrogen (Molecule), $\ce{ N2 }$; [7727-37-9] NIST WebBook
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Ethyne, $\ce{ C2H2 }$; [74-86-2] NIST WebBook
- Hydrogen, $\ce{ H2 }$; [1333-74-0] NIST WebBook
- Polystyrene (PS), $\ce{ (C8H8)n }$; [9003-53-6] NIST WebBook
Experimental Data
The data fitted the following Van't Hoff equations:
log(S/cm3(STP)/cm3 atm) = -2.4 + 1900/4.58 (T/K) for H2;
log(S/cm3(STP)/cm3 atm) = -2.4 + 1700/4.58 (T/K) for N2.
Table 1. Solubility C/(cm3(STP)/cm3) of gases in PS at 443 K
| $P$ ($\pu{atm}$) | $C_{1}$ ($\pu{cm3/cm3}$) |
|---|---|
| 8E+1 | 2.89 |
| 142 | 5.35 |
| 224.5 | 8.48 |
| 233 | 9.42 |
| 243 | 9.66 |
| 306.5 | 11.95 |
| 5E+1 | 3.04 |
| 51 | 2.82 |
| 118 | 2.95 |
| 182 | 5.02 |
| 187 | 5.57 |
| 232 | 6.15 |
| 282.5 | 7.93 |
| 287 | 7.77 |
| 49 | 5.27 |
| 77.55 | 8.05 |
| 92.5 | 9.75 |
