IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Different gases with Poly(vinyltrimethyl silane) (PVTMS)
Components:
   (1) Different gases; ; []  NIST Chemistry WebBook for detail
   (2) Poly(vinyltrimethyl silane) (PVTMS); ; [25036-32-2]  NIST Chemistry WebBook for detail
Original Measurements:
   V.V. Volkov, S.G. Durgaryan, E.G. Novitskii, N.S. Nametkin and N.S. Dokl. Akad. Nauk SSSR 232, 838 (1977); Vysokomol. Soedin., Ser. A 21, 927-931 (1979).

 Variables:
   Temperature = 283 K - 323 K
   Pressure = 0-93 kPa

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Solubility coefficients S/(cm3(STP)/cm3 atm) at 298 K and enthalpies of sorption ΔH kcal/mol
Chemical Name102 * Keunen coefficient, SEnthalpy
Helium He [7440-59-7]0.11-1.45
Argon Ar [7440-37-1]0.63-2.83
Hydrogen H2 [1333-74-0]0.12-1.66
Nitrogen N2 [7727-37-9]0.40-2.62
Oxygen O2 [7782-44-7]0.56-2.69
Methane CH4 [74-82-8]1.37-3.82
Carbon dioxide CO2 [124-38-9]3.52-4.93
 Method/Apparatus/Procedure:
   A McBain quartz spring microbalance and a volumetric apparatus were used for sorption measurements.

 Source and Purity of Materials:
   PVTMS synthesized by BuLi initiated anionic polymerization had: Mw = 608,000, Mn = 416,000. All the gases were "chromatographically" pure.

 Estimated Errors:
   Solubility: 10%.
   Pressure: 20 %.