IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Helium with Nitrogen, Oxygen, Carbon dioxide, Methane and Poly(amide aminoacid) 6FDA-TADPO
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) Poly(amide aminoacid) 6FDA-TADPO; ; [132634-94-7]  NIST Chemistry WebBook for detail
Original Measurements:
   D.R.B. Walker and W.J. Koros, J. Membr. Sci., 55, 99-117 (1991).

 Variables:
   Temperature = 308 K
   Pressure = 0.3-1.0 MPa

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Solubility coefficient S /cm3 (STP)/cm3 atm
Chemical NameKeunen coefficient, S
He0.058
N20.33
O20.56
CO23.05
CH40.8
 Method/Apparatus/Procedure:
   Pressure decay method and apparatus was used.

 Source and Purity of Materials:
   The polymer was synthesized according to ref. (1). It had a density 1.413 g/cc. All the gases were Linde UHP (purity more than 99.97 %).

 Estimated Errors:


References:
   1Foster, R.T.; Marvel C.S. J. Polym. Sci., A, 1965, 3, 417.