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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Ammonium chloride and Water
Components:
(1) Ammonium chloride; NH4Cl; [12125-02-9]
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 - 5.645
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
1.0386
a
0.244
288.15
0.9055
a
1.724
288.15
0.8716
a
2.356
288.15
0.8599
a
2.590
288.15
0.7980
a
3.772
288.15
0.7863
a
4.209
298.15
0.8264
a
0
298.15
0.7958
a
0.375
298.15
0.7892
a
0.476
298.15
0.7880
a
0.501
298.15
0.7678
a
0.760
298.15
0.7704
a
0.811
298.15
0.7576
a
0.980
298.15
0.7460
a
1.147
298.15
0.7472
a
1.163
298.15
0.7358
a
1.508
298.15
0.7059
a
1.923
298.15
0.7102
a
1.973
298.15
0.6915
a
2.338
298.15
0.6879
a
2.353
298.15
0.6721
a
2.816
298.15
0.6677
a
3.006
298.15
0.6610
a
3.152
298.15
0.6452
a
3.682
298.15
0.6358
a
4.104
298.15
0.6258
a
4.421
298.15
0.6121
a
4.973
298.15
0.6126
a
4.995
298.15
0.6015
a
5.480
298.15
0.5979
a
5.645
308.15
0.6675
a
0
308.15
0.6313
a
0.590
308.15
0.6030
a
1.165
308.15
0.5903
a
1.541
308.15
0.5660
a
2.179
308.15
0.5547
a
2.285
308.15
0.5358
a
3.129
308.15
0.5142
a
4.012
308.15
0.5160
a
4.147
308.15
0.5069
a
4.475
308.15
0.4976
a
4.477
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.