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:
   Sander, W., Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 1911-1912, 78, 513-49.

Variables:
   Temperature = 293.15 K to 375.15 K
   Pressure = 293.15 K to 375.15 K

Prepared By:
   C.L. Young

Experimental Remarks:

   The two values (a) and (b) are the result of duplicate measurements.

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

The two values (a) and (b) are the result of duplicate measurements. This table represents the (a) values.
T/K	Pressure [bar]	Mole Fraction (x₁)	x₁ Note
293.15	24.5	-	a
293.15	29.4	-	a
293.15	39.2	-	a
293.15	49.0	-	a
293.15	53.9	-	a
308.15	29.4	0.862	a
308.15	39.2	1.083	a
308.15	49.0	1.381	a
308.15	58.8	1.663	a
308.15	68.6	1.968	a
308.15	78.5	-	a
333.15	39.2	0.740	a
333.15	49.0	0.831	a
333.15	58.8	0.981	a
333.15	68.6	1.138	a
333.15	78.5	1.357	a
333.15	88.3	1.535	a
333.15	98.1	1.764	a
333.15	107.9	1.943	a
333.15	117.7	2.027	a
375.15	58.8	0.551	a
375.15	68.6	0.626	a
375.15	78.5	0.695	a
375.15	88.3	0.794	a
375.15	98.1	0.861	a
375.15	107.9	0.938	a
375.15	117.7	1.033	a
375.15	127.5	1.128	a
375.15	137.3	1.229	a
375.15	147.1	1.292	a
375.15	156.9	1.385	a
375.15	166.7	1.429	a

The two values (a) and (b) are the result of duplicate measurements. This table represents the (b) values.
T/K	Pressure [bar]	Mole Fraction (x₁)	x₁ Note
293.15	24.5	0.547	b
293.15	29.4	0.608	b
293.15	39.2	0.649	b
293.15	49.0	0.870	b
293.15	53.9	0.962	b
308.15	29.4	0.827	b
308.15	39.2	1.306	b
308.15	49.0	1.604	b
308.15	58.8	1.430	b
308.15	68.6	1.824	b
308.15	78.5	2.127	b
333.15	39.2	0.591	b
333.15	49.0	0.825	b
333.15	58.8	0.930	b
333.15	68.6	1.075	b
333.15	78.5	1.391	b
333.15	88.3	1.321	b
333.15	98.1	1.704	b
333.15	107.9	1.717	b
333.15	117.7	2.090	b
375.15	58.8	-	b
375.15	68.6	0.367	b
375.15	78.5	0.537	b
375.15	88.3	0.621	b
375.15	98.1	0.710	b
375.15	107.9	0.931	b
375.15	117.7	0.901	b
375.15	127.5	0.964	b
375.15	137.3	0.974	b
375.15	147.1	0.966	b
375.15	156.9	-	b
375.15	166.7	-	b

Method/Apparatus/Procedure:
   High pressure glass capillary cell. Amount of carbon dioxide absorbed estimated from knowledge of total amount of carbon dioxide and volume, nonabsorbed carbon dioxide.

Source and Purity of Materials:
   (1) Purified final purity 99.9 mole %.
   (2) No details given.

Estimated Errors:
   Solubility: δx₁ = ± 0.001
   Temperature: δT/K = ± 0.1
   Pressure: δP/bar = ± 0.5