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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Sodium sulfate and Water
Components:
(1) Sodium sulfate; Na2SO4; [7757-82-6]
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 - 2.205
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
0.7995
a
0.285
288.15
0.6632
a
0.587
288.15
0.5743
a
0.786
288.15
0.5247
a
0.888
288.15
0.4803
a
1.063
298.15
0.8264
a
0
298.15
0.7165
a
0.210
298.15
0.7081
a
0.219
298.15
0.6874
a
0.261
298.15
0.6040
a
0.440
298.15
0.5792
a
0.510
298.15
0.5363
a
0.625
298.15
0.5273
a
0.657
298.15
0.4859
a
0.770
298.15
0.4318
a
0.949
298.15
0.4287
a
0.951
298.15
0.3627
a
1.190
298.15
0.2954
a
1.529
298.15
0.2601
a
1.710
298.15
0.1828
a
2.205
308.15
0.6675
a
0
308.15
0.5825
a
0.215
308.15
0.5066
a
0.439
308.15
0.4270
a
0.683
308.15
0.3687
a
0.940
308.15
0.3191
a
1.202
308.15
0.2645
a
1.481
308.15
0.2243
a
1.763
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.