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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Magnesium chloride and Water
Components:
(1) Magnesium chloride; MgCl2; [7786-30-3]
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 - 3.955
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
0.9098
a
0.326
288.15
0.7642
a
0.767
288.15
0.6262
a
1.215
288.15
0.5374
a
1.588
288.15
0.4286
a
2.141
288.15
0.3631
a
2.568
288.15
0.3121
a
2.921
288.15
0.2332
a
3.572
288.15
0.1876
a
3.766
298.15
0.8264
a
0
298.15
0.7023
a
0.363
298.15
0.6038
a
0.738
298.15
0.4813
a
1.252
298.15
0.4112
a
1.633
298.15
0.3537
a
2.018
298.15
0.3045
a
2.392
298.15
0.2643
a
2.797
298.15
0.2314
a
3.141
298.15
0.1879
a
3.609
298.15
0.1648
a
3.955
308.15
0.6675
a
0
308.15
0.6241
a
0.146
308.15
0.5685
a
0.411
308.15
0.5428
a
0.514
308.15
0.4486
a
0.973
308.15
0.4048
a
1.218
308.15
0.3216
a
1.810
308.15
0.2805
a
2.172
308.15
0.2468
a
2.511
308.15
0.1965
a
3.253
308.15
0.1604
a
3.743
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.