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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Calcium chloride and Water
Components:
(1) Calcium chloride; CaCl2; [10043-52-4]
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 = 298.15 K and 308.15
Pressure = 298.15 K and 308.15
Concentration =
c
2
/mol L
-1
= 0 - 4.528
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]
298.15
0.8264
a
0
298.15
0.7458
a
0.227
298.15
0.6477
a
0.558
298.15
0.5434
a
0.893
298.15
0.4701
a
1.237
298.15
0.4118
a
1.601
298.15
0.3380
a
2.008
298.15
0.2969
a
2.396
298.15
0.2544
a
2.809
298.15
0.2026
a
3.486
298.15
0.1876
a
3.801
298.15
0.1705
a
4.528
308.15
0.6675
a
0
308.15
0.5786
a
0.295
308.15
0.4742
a
0.807
308.15
0.4708
a
0.809
308.15
0.4010
a
1.283
308.15
0.2864
a
2.137
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.