Solubility System: Carbon dioxide with Ammonium chloride and Water (Original Report)

Components:
(1) Carbon dioxide, CO2; [124-38-9] NIST Chemistry WebBook
(2) Ammonium chloride, NH4Cl; [12125-02-9] NIST Chemistry WebBook
(3) Water, H2O; [7732-18-5] NIST Chemistry WebBook
Original Measurements
Gerecke, J.; Diss. Dr. rer. Nat. 1969, Hochsch. "Carl Schorlemmer", Leuna-Merseburg, DDR.
Variables:
Temperature: 288.15 K - 333.15 K
Pressure: 101.325 kPa
Concentration: c2/mol dm-3 = 0 - 5
Prepared By:
D.M. Mason
Experimental Data:
Table 1
T (K)T (°C)c2 (mol/dm3)α (a)S (b)
288.151500.99-
288.15150.51.031.052
288.151510.9070.942
288.151520.780.843
288.151550.686-
293.152000.86-
293.15200.50.8870.906
293.152010.80.831
293.152020.7240.784
293.152050.629-
298.152500.7580.5173
298.15250.50.8040.8215
298.152510.7060.7345
298.152520.6580.7135
298.152550.576-
303.153000.671-
303.15300.50.7130.729
303.153010.6390.665
303.153020.6480.704
303.153050.56750.711
308.153500.605-
308.15350.50.6120.627
308.153510.58150.607
308.153520.6070.66
308.153550.5515-
313.154000.546-
313.15400.50.5540.568
313.154010.5070.5285
313.154020.5970.65
313.154050.543-
318.154500.482-
318.15450.50.4650.478
318.154510.4660.487
318.154520.5190.565
318.154550.5065-
323.155000.436-
323.15500.50.4130.4245
323.155010.4250.445
323.155020.51650.5635
323.155050.5030.635
328.155500.392-
328.15550.50.3350.346
328.155510.37950.3985
328.155520.4630.5065
328.155550.484-
333.156000.372-
333.15600.50.31850.328
333.156010.3570.375
333.156020.4450.4875
333.156050.483-

a) α = Bunsen coefficient [cm3 (STP) cm-3 atm-1].
b) S = Kuenen coefficient [cm3 (STP) g-1 (H2O) 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.

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