IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Carbon dioxide with Aluminium sulfate and 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
   (3) Aluminium sulfate; Al2(SO4)3; [10043-01-3]  NIST Chemistry WebBook for detail

Original Measurements:
   Yasunishi, A.; Yoshida, F., J. Chem. Eng. Data 1979, 24, 11-14.

Variables:
   Temperature = 298.15 K
   Pressure = 298.15 K
   Concentration = c₂/mol L^-1 = 0 - 0.850

Prepared By:
   C.L. Young

Experimental Remarks:

   P = 1 atm = 101.325 kPa = 1.01325 bar

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


T/K	Ostwald coefficient L	Ostwald Note	Concentration C₂ [mol/L]
298.15	0.8264	a	0
298.15	0.6117	a	0.186
298.15	0.4327	a	0.392
298.15	0.2753	a	0.628
298.15	0.1913	a	0.850

Notes:
   ^a  L = Ostwald coefficient [cm³ cm^-3]

Method/Apparatus/Procedure:
   Volumetric apparatus with multibulb buret and magnetic stirrer. Amount of solution and gas absorbed determined volumetrically. Density and composition of solution determined after absorption. Details in Ref. 1.

Source and Purity of Materials:
   (1) High purity grade sample, purity 99.96 mole %.
   (2,3) Guaranteed reagent, solution degassed by boiling.

Estimated Errors:
   Solubility: δL = ± 1 %.
   Temperature: δT/K = ± 0.05

References:
   Tokunaga, J., J. Chem. Eng. Data 1975, 20, 41