IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Carbon dioxide with Nitric acid and Water

Components:
   (1) Nitric acid; HNO3; [7697-37-2]  NIST Chemistry WebBook for detail
   (2) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (3) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Geffcken, G., Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 1904, 49, 257-302.

Variables:
   Temperature = 288.15 K and 298.15 K
   Concentration = c₂/mol dm^-3 = 0 - 2.539

Prepared By:
   C. L. Young

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/dm³]
288.15	1.070	a	0
288.15	1.073	a	0.472
288.15	1.075	a	0.475
288.15	1.069	a	0.557
288.15	1.080	a	0.704
288.15	1.093	a	1.382
288.15	1.093	a	1.387
288.15	1.105	a	1.860
288.15	1.109	a	2.519
288.15	1.111	a	2.539

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

Method/Apparatus/Procedure:
   Volumetric method using simple absorption pipet and buret. Diagram and detailed description given in original paper.

Source and Purity of Materials:
   (1) Obtained by the sublimation of solid carbon dioxide. Dried.
   (2) Not specified.
   (3) Degassed.

Estimated Errors:
   Solubility: δL= ± 1 %(estimated by the compiler)
   Temperature: δT/K = ± 0.1 (estimated by compiler)