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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:
Gerecke, J., Diss. Dr. rer. Nat. 1969, Hochsch. "Carl Schorlemmer", Leuna-Merseburg, DDR.
Variables:
Temperature = 288.15 K to 333.15 K
Pressure = 288.15 K to 333.15 K
Concentration =
c
2
/mol dm
-3
= 0 - 5
Prepared By:
D.M. Mason
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
t/°C
T/K
Concentration C
2
[mol/dm
3
]
Keunen coefficient, S
S Note
α
α Note
15
288.15
0
-
b
0.990
a
15
288.15
0.5
1.052
b
1.03
a
15
288.15
1
0.942
b
0.907
a
15
288.15
2
0.843
b
0.780
a
15
288.15
5
-
b
0.686
a
20
293.15
0
-
b
0.860
a
20
293.15
0.5
0.906
b
0.887
a
20
293.15
1
0.831
b
0.800
a
20
293.15
2
0.784
b
0.724
a
20
293.15
5
-
b
0.629
a
25
298.15
0
0.5173
b
0.758
a
25
298.15
0.5
0.8215
b
0.804
a
25
298.15
1
0.7345
b
0.706
a
25
298.15
2
0.7135
b
0.658
a
25
298.15
5
-
b
0.576
a
30
303.15
0
-
b
0.671
a
30
303.15
0.5
0.729
b
0.713
a
30
303.15
1
0.665
b
0.639
a
30
303.15
2
0.704
b
0.648
a
30
303.15
5
0.711
b
0.5675
a
35
308.15
0
-
b
0.605
a
35
308.15
0.5
0.627
b
0.612
a
35
308.15
1
0.607
b
0.5815
a
35
308.15
2
0.660
b
0.607
a
35
308.15
5
-
b
0.5515
a
40
313.15
0
-
b
0.546
a
40
313.15
0.5
0.568
b
0.554
a
40
313.15
1
0.5285
b
0.507
a
40
313.15
2
0.650
b
0.597
a
40
313.15
5
-
b
0.543
a
45
318.15
0
-
b
0.482
a
45
318.15
0.5
0.478
b
0.465
a
45
318.15
1
0.487
b
0.466
a
45
318.15
2
0.565
b
0.519
a
45
318.15
5
-
b
0.5065
a
50
323.15
0
-
b
0.436
a
50
323.15
0.5
0.4245
b
0.413
a
50
323.15
1
0.445
b
0.425
a
50
323.15
2
0.5635
b
0.5165
a
50
323.15
5
0.635
b
0.503
a
55
328.15
0
-
b
0.392
a
55
328.15
0.5
0.346
b
0.335
a
55
328.15
1
0.3985
b
0.3795
a
55
328.15
2
0.5065
b
0.463
a
55
328.15
5
-
b
0.484
a
60
333.15
0
-
b
0.372
a
60
333.15
0.5
0.328
b
0.3185
a
60
333.15
1
0.375
b
0.357
a
60
333.15
2
0.4875
b
0.445
a
60
333.15
5
-
b
0.483
a
Notes:
a
α = Bunsen coefficient [cm
3
(STP) cm
-3
atm
-1
].
b
S
= Kuenen coefficient [cm
3
(STP) g
-1
(H
2
O) atm
-1
].
Method/Apparatus/Procedure:
The principle of the Ostwald method was used in which a measured volume of gas-free liquid is stirred in the presence of the gas, and its decrease in volume is measured in a burette over mercury. The volume of liquid was measured at the experimental temperature. For calculation of the Kuenen coefficient, the density of the solution was obtained from Landolt-Börnstein extant 1969. The molar concentration of salt in the liquid was standardized at 20°C. These data are analyzed and discussed further in Ref. 1.
Source and Purity of Materials:
(1)VEB Leuna Works; 99.8 vol %; the impurity was mostly water (author).
(2) DDR pro analysis grade by DDR Standard TGL 5021.
(3) Double distilled.
Estimated Errors:
Temperature: Not given.
References:
1. Gerecke, J.; Bittrich, H.J., Wiss. Z. Tech. Hochsch. Chem. "Carl Schorlemmer" Leuna-Merseburg 1971, 13(2), 115-22.