IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Propane with Poly(trimethylsilyl propyne) (PMSP)
Components:
   (1) Poly(trimethylsilyl propyne) (PMSP); ; [87842-32-8]  NIST Chemistry WebBook for detail
   (2) Propane; C3Hg; [9003-42-3]  NIST Chemistry WebBook for detail
Original Measurements:
   L.C. Withchey-Lakshmanan, H.B. Hopfenberg and R.T. Chern, J. Membr. Sci. 48, 321-332 (1990).

 Variables:
   Temperature = 308 K
   Pressure = 0-120 kPa

 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 propane at 308 K*
104 * Henry's law constant, K [mol/g atm]103 * Langmuir's parameter, CH [mol/g]Affinity Coefficient b [(atm)-1]
3.62.164.4
Dual mode sorption parameters for propane at 308 K*
Henry's law constant, K [cm3(STP)/cm3 atm]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [(atm)-1]
6.337.74.4
 Notes:
   *  The first line gives the values as reported by the authors, the second line recalculated by the compiler.

 Method/Apparatus/Procedure:
   The sorption measurements were performed with a McBain quartz spring balance following a procedure described in ref. (1).

 Source and Purity of Materials:
   PMSP had Mw = 600,000, a density 0.78 g/cm3 Purity of propane 99.5 %.

 Estimated Errors:


References:
   1Felder, R.M.; Patton, C.J.; Koros, W.J. J. Polym. Sci., Polym. Prep. 1981, 19, 1895.