IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Argon with Nitrogen, Carbon dioxide, Methane and Polyethersulfone (PES) Victrex 600 P

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) Polyethersulfone (PES) Victrex 600 P; ; [25667-42-9]  NIST Chemistry WebBook for detail

Original Measurements:
   E.S. Sanders, J. Membr. Sci. 37, 63 (1988).

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 polyethersulphone at 308 K
Chemical Name	Henry's law constant, K [cm3(STP) cm-3 atm -1]	Langmuir's parameter, C_H [cm³(STP) cm^-3]	Affinity Coefficient b [atm^-1]
Ar	0.147	7.23	0.054
CO2	0.631	29.78	0.313
CH4	0.168	10.80	0.123
N2	0.086	5.98	0.047

Table 2. Soprtion isotherms of various gaes in polyethersulphone at 308 K (The original data were represented graphically)
Chemical Name	Pressure [MPa]	Sorption [(V₁(STP)/V₂)]
Ar	0.20	1.00
Ar	0.32	1.48
Ar	0.51	2.32
Ar	0.89	3.68
Ar	1.02	4.06
Ar	1.35	5.00
Ar	1.47	5.26
Ar	1.83	6.32
Ar	1.87	6.39
Ar	2.12	6.84
Ar	2.52	7.90
Ar	2.67	8.10
Ar	3.06	9.03
Ar	3.32	9.52
CO2	0.15	11.38
CO2	0.18	12.79
CO2	0.27	14.60
CO2	0.27	15.91
CO2	0.30	15.90
CO2	0.40	18.02
CO2	0.46	20.63
CO2	0.58	23.04
CO2	0.69	24.75
CO2	0.77	25.76
CO2	1.07	29.37
CO2	1.21	31.58
CO2	1.45	34.19
CO2	1.27	31.47
CO2	1.74	36.89
CO2	1.78	36.79
CO2	1.83	37.49
CO2	2.09	39.90
CO2	2.15	39.89
CO2	2.21	39.89
CO2	2.23	41.10
CO2	2.40	41.39
CO2	2.49	41.89
CO2	2.61	43.80
CO2	2.62	42.89
CO2	2.61	42.29
CO2	2.86	44.79
CH4	0.32	3.81
CH4	0.51	5.21
CH4	0.93	7.51
CH4	0.97	7.71
CH4	1.18	8.61
CH4	1.72	10.39 -
CH4	1.79	10.69 -
CH4	1.89	10.89
CH4	2.35	12.28
CH4	2.37	12.17
CH4	2.66	12.87
CH4	2.88	13.56
CH4	2.91	13.26
CH4	3.31	14.34
CH4	3.65	15.13
N2	0.22	0.77
N2	0.35	1.13
N2	0.45	1.35
N2	0.49	1.52 -
N2	0.62	1.94
N2	0.77	2.23
N2	0.89	2.52
N2	1.03	2.81
N2	1.17	3.10
N2	1.27	3.26
N2	1.41	3.58
N2	1.47	3.68
N2	1.84	4.29
N2	1.98	4.55
N2	2.23	4.87
N2	2.33	5.16
N2	2.57	5.58
N2	3.02	5.90
N2	3.24	6.45
N2	3.41	6.48
N2	3.69	6.97
N2	3.91	7.26

Method/Apparatus/Procedure:
   A high pressure sorption apparatus used was very similar to equipment described in Ref. 1.

Source and Purity of Materials:
   Amorphous PES (grade 600 P. VICTREX): ICI, glass transition temperature 508 K.

Estimated Errors:

   Temperature: No information given.

References:
   ¹E, S. Sanders, W. I. Koros, H. B. Hopfenberg, and V. T. Stannett, J. Membr. Sci. 13, 161 (1983).