IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Nitrogen with Carbon dioxide, Methane and Dimethyl bisphenol A polysulfone (DMPSF)

Components:
   (1) Dimethyl bisphenol A polysulfone (DMPSF); ; [58978-16-8]  NIST Chemistry WebBook for detail
   (2) Nitrogen with Carbon dioxide, Methane; N2, CO2, CH4; [7727-37-9, 124-38-9, 74-82-8]  NIST Chemistry WebBook for detail

Original Measurements:
   J.S. McHattie, W.J. Koros and D.R. Paul, Polymer, 32, 840-850 (1991).

Variables:
   Temperature = 308 K
   Pressure = 0-2.0 MPa (0-20 atm)

Prepared By:
   Yu. P. Yampol'skii

Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)

Table 1. Solubility of gases C/cm³ (STP)/cm3 in DMPSF*
Chemical Name	Pressure [atm]	Solubility
N2	5	1.05
N2	10	1.8
N2	15	2.5
N2	20	3.05
CO2	5	11.8
CO2	10	17.2
CO2	15	21.3
CO2	20	25.0
CH4	5	3.1
CH4	10	5.0
CH4	15	6.3
CH4	20	7.4

Table 2. Dual mode sorption parameters*
Chemical Name	Henry's law constant, K [cm³(STP)/cm³ atm]	Langmuir's parameter, C_H [cm³(STP) cm^-3]	Affinity Coefficient b [atm^-1]
CO2	0.505	17.8	0.235
CH4	0.135	8.64	0.0564

Notes:
   Table 1  ^*  Smooth values taken from the graph by compiler.
   Table 2  ^*  Fit for nitrogen did not converge.

Method/Apparatus/Procedure:
   The measurement of sorption was carried out using a pressure decay method.¹

Source and Purity of Materials:
   DMPSF was synthesized according to Ref. 2. It had a density 1.213 g/cc and the glass transition temperature 453 K.

Estimated Errors:

References:
   ¹Koros, W.J.; Paul, D.R.; J. Polym. Sci., Polym. Phys. Ed., 1976, 14, 1903.
   ²Johnson, R.N.; Farnham, A.G.; Clendinning, R.A.; Hale, W.F.; Merriam, C.N. J. Polym. Sci.: Part A-1, 1967, 5, 2375.