NIST-IUPAC Solubility Data Series

Carbon dioxide with Potassium nitrate and Water (IUPAC SDS Volume 62)

SDS Volume

Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None

Source Publication

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

Conditions:

Room Temp: 298.15 and 308.15 $\pu{K}$
Pressure: 101.325 $\pu{kPa}$
Amount concentration (2): C₂/mol L^-1 = 0 - 1.768 g/L

Compiler:

C.L. Young

Methodology:

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 [1].

Sample Information:

High purity grade sample, purity 99.96 mole%.
(2,3) Guaranteed reagent, solution degassed by boiling.

Measurement Errors:

Ambient temperature: δT/K = ±0.05
Mass concentration (m/v) (1): δL = ±1%

Methodology Citation

¹ Tokunaga, J.; J. Chem. Eng. Data 1975, 20, 41.

System Components:

Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
Potassium nitrate, $\ce{ KNO3 }$; [7757-79-1] NIST WebBook
Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook

Experimental Data

P = 1 atm = 101.325 kPa = 1.01325 bar

$T$ ($\pu{K}$)	$C_{2}$ (mol/L)	$L$
298.15	0	0.8264^a
298.15	0.288	0.7994^a
298.15	0.801	0.7592^a
298.15	1.101	0.7399^a
298.15	1.412	0.7164^a
298.15	1.630	0.7023^a
308.15	0	0.6675^a
308.15	0.2775	0.6503^a
308.15	0.661	0.6285^a
308.15	0.961	0.6119^a
308.15	1.549	0.5805^a
308.15	1.692	0.5709^a
308.15	1.768	0.5693^a

(a) L = Ostwald coefficient [cm³ cm^-3]

IUPAC-NIST Solubility Data Series, SRD 106