IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Argon with Nitrogen, Carbon dioxide, Methane, Ethane and Poly(trimethylsilyl propyne) (PTMSP)

Components:
   (1) Poly(trimethylsilyl propyne) (PTMSP); ; [87842-32-8]  NIST Chemistry WebBook for detail
   (2) Argon with Nitrogen, Carbon dioxide, Methane, Ethane; Ar, N2, CO2, CH4, C2H6; [7440-37-1, 7727-37-9, 124-38-9, 74-82-8, 74-84-0]  NIST Chemistry WebBook for detail

Original Measurements:
   V.I. Bondar, Yu. M. Kukharskii and V.V. Volkov, Abstracts, 5th Intern. Symposium on Solubility Phenomena, Moscow, p. 227 (1992).

Variables:
   Temperature = 298 K
   Pressure = 0-11 MPa

Prepared By:
   V.I. Bondar

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

Dual mode sorption parameters for various gases in PTMSP at 298 K
Chemical Name	Henry's law constant, K [cm³ (STP) cm^-3 atm^-1]	Langmuir's parameter, C_H [cm³(STP) cm^-3]	Affinity Coefficient b [atm^-1]
Ar	0.096	90.9	0.015
N2	0.062	60.0	0.017
CO2	1.300	139.0	0.064
CH4	0.200	88.3	0.041
C2H6	2.830	75.1	0.473

View Figure 1 for this Evaluation

Method/Apparatus/Procedure:
   Solubility was measured by means of gravimetric method using Sartorius 4436 microbalance.

Source and Purity of Materials:
   PTMSP: prepared according the method of Maeuda et al.¹

Estimated Errors:

   Temperature: No information gives.

References:
   ¹T. Masuda, E. Isobe, and T. Higashimura, J. Atn. Chem. Soc. 105, 7473 (1983).