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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Sodium chloride and Water
Components:
(1) Sodium chloride; NaCl; [7647-14-5]
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:
Yasunishi, A.; Yoshida, F., J. Chem. Eng. Data 1979, 24, 11-14.
Variables:
Temperature = 288.15 K to 308.15 K
Pressure = 101.325 kPa
Concentration =
c
2
/mol L
-1
= 0 - 5.096
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 C
2
[mol/L]
288.15
1.0634
a
0
288.15
0.9404
a
0.478
288.15
0.8309
a
0.965
288.15
0.7314
a
1.506
288.15
0.6346
a
2.055
288.15
0.5032
a
3.071
288.15
0.4939
a
3.205
288.15
0.4363
a
3.753
288.15
0.3487
a
4.722
298.15
0.8264
a
0
298.15
0.7343
a
0.455
298.15
0.6508
a
1.000
298.15
0.5842
a
1.442
298.15
0.5187
a
1.945
298.15
0.4653
a
2.486
298.15
0.4037
a
3.098
298.15
0.3727
a
3.4000
298.15
0.3144
a
4.216
298.15
0.2584
a
5.096
308.15
0.665
a
0
308.15
0.6016
a
0.449
308.15
0.5456
a
0.880
308.15
0.4821
a
1.438
308.15
0.4307
a
1.949
308.15
0.4036
a
2.264
308.15
0.3637
a
2.767
308.15
0.3456
a
2.997
308.15
0.3083
a
3.544
308.15
0.2782
a
4.014
308.15
0.2330
a
4.860
Notes:
a
L
= Ostwald coefficient (cm
3
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: δ
L
= ± 1 %
Temperature: δ
T
/K = ± 0.05
References:
1. Tokunaga, J., J. Chem. Eng. Data 1975, 20, 41.