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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Argon with Nitrogen, Carbon dioxide, Methane and Polysulfone (PSF)
Components:
(1) Argon with Nitrogen, Carbon dioxide, Methane; Ar, N2, CO2, CH4; [7440-37-1, 7727-37-9, 124-38-9, 74-82-8]
NIST Chemistry WebBook
for detail
(2) Polysulfone (PSF); ; [25135-51-7]
NIST Chemistry WebBook
for detail
Original Measurements:
A.J. Erb and D.R. Paul, J. Membr. Sci. 8, 11 (1981). J.S. Chiou, Y. Maeda and D.R. Paul, J. Appl. Polym. Sci. 33, 1823 (1987).
Variables:
Temperature = 308 K
Pressure = 308 K
Prepared By:
Yu. P. Yampol'skii
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
Dual mode sorption parameters for various gases in "as-received" polysulfone films at 308 K
T/K
Chemical Name
Henry's law constant, K [cm
3
(STP)/cm
3
atm]
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
Affinity Coefficient b [atm
-1
]
Ar
0.150
6.72
0.0317
N2
0.0753
9.98
0.0156
CO2
0.664
17.90
0.3260
CH4
0.161
9.86
0.0698
View Figure 1 for this Evaluation
View Figure 2 for this Evaluation
Method/Apparatus/Procedure:
Sorption apparatus and procedure are described in Ref. I.
Source and Purity of Materials:
Commercial PSF: Union Carbide Corp., studied in the form of melt extruded film; glass transition temperature 455 K (DSC).
Estimated Errors:
Temperature: No information given.
References:
1
W. J. Koros, A. H. Chan, and D. R. Paul, J. MembrPolym 2, 165 (1977).