IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Helium with Nitrogen, Oxygen, Carbon dioxide, Methane and Tetrabromohexafluoropolycarbonate (TBHFPC)

Components:
   (1) Helium with Nitrogen, Oxygen, Carbon dioxide, Methane; He, N2, O2, CO2, CH4; [7440-59-7, 7727-37-9, 7782-44-7, 124-38-9, 74-82-8]  NIST Chemistry WebBook for detail
   (2) Tetrabromohexafluoropolycarbonate (TBHFPC); ; [126430-95-3]  NIST Chemistry WebBook for detail

Original Measurements:
   M.W. Hellums, W.J. Koros, G.R. Husk and D.R. Paul, J. Membr. Sci. 46, 93-112 (1989).

Variables:
   Temperature = 308 K
   Pressure = 0-6.0 MPa

Prepared By:
   Yu. P. Yampol'skii

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

Solubility of gases C /cm³ (STP)/cm³ in TBPC at different pressures*
Chemical Name	Pressure [atm]	Solubility
He	2.4	0.2
He	8.7	0.6
He	15.6	1.05
He	23.0	1.5
He	35.0	2.35
N2	1.0	0.6
N2	3.0	2.0
N2	6.0	3.4
N2	9.0	4.9
N2	14.0	6.8
O2	0.6	0.4
O2	1.6	1.3
O2	2.4	1.9
O2	4.1	3.1
O2	6.3	4.65
CH4	3.0	5.3
CH4	9.0	11.5
CH4	13.5	14.8
CH4	18	17.3
CH4	22	19
CH4	26.5	21.5
CH4	32.5	23.5
CO2	3.5	22
CO2	8.0	36
CO2	15.5	47
CO2	22	60
CO2	28	74
CO2	39	100
CO2	52	116

Notes:
   ^*  Taken from the graphs by compiler.

Method/Apparatus/Procedure:
   Pressure decay apparatus was used in sorption measurement (see Ref. 1).

Source and Purity of Materials:
   TBHFPC was prepared from tetrabromohexafluorobisphenol A using standard interfacial polymerization technique. It had the following characteristics: density = 1.987 g/cc, T_g = 528 K.

Estimated Errors:

References:
   ¹ Koros, W.J.; Paul, D.R. J. Polym. Sci., Polym. Phys. Ed. 1976, 14, 1903.