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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Potassium chloride and Water
Components:
(1) Potassium chloride; KC1; [7447-40-7]
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 to 298.15 K
Concentration =
c
2/mol dm
-3
= 0 - 1.058
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 C
2
[mol/dm
3
]
288.15
1.070
a
0
288.15
0.9892
a
0.423
288.15
0.9865
a
0.432
288.15
0.8875
a
1.045
288.15
0.8910
a
1.058
298.15
0.8255
a
0
298.15
0.7695
a
0.423
298.15
0.7667
a
0.432
298.15
0.6920
a
1.045
298.15
0.6961
a
1.058
Notes:
a
L
= Ostwald coefficient (cm
3
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: δ
L
= ± 1 % (estimated by compiler)
Temperature: δ
T
/K = ± 0.1 (estimated by compiler)