IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Carbon dioxide with Water

Components:
   (1) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (2) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Matous, J.; Sobr, J.; Novak, J.P.; Pick, J., Collect. Czech. Chem. Commun. 1969, 34, 3982-5.

Variables:
   Temperature = 303.15 K to 353.15 K
   Pressure = 0.99 MPa to 3.90 Mpa

Prepared By:
   C.L. Young

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


T/K	Pressure [bar]	10² * Mole Fraction (x₂)
303.15	9.9	0.507
303.15	19.3	0.932
303.15	30.3	1.364
303.15	38.9	1.697
323.15	9.9	0.334
323.15	19.2	0.606
323.15	29.9	0.938
323.15	39.0	1.198
353.15	8.8	0.197
353.15	9.8	0.218
353.15	18.8	0.407
353.15	29.8	0.620
353.15	38.8	0.794

Method/Apparatus/Procedure:
   Cell charged with components, equilibrated and pressure measured with Bourdon gauge. Liquid sampled and analysed by stripping with nitrogen and absorbing dried carbon dioxide on absorbent containing sodium hydroxide.

Source and Purity of Materials:
   (1) Lachema, Novy Bohumin purity better than 99 mole %.
   (2) Deionised sample.

Estimated Errors:
   Solubility: δX₁ = ± 0.2 x 10^-4 (by compiler)
   Temperature: δT/K = ± 0.1 (by compiler)
   Pressure: δP₁/bar = ± 0.5 (by compiler)