Solubility System: Carbon dioxide with N,N-Dimethylmethanamine hydrochloride; (trimethylamine hydrochloride) and Water (Original Report)

Components:
(1) Carbon dioxide, CO2; [124-38-9] NIST Chemistry WebBook
(2) Trimethylamine hydrochloride, C3H10NCl; [593-81-7] 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 - 4
Prepared By:
D.M. Mason
Experimental Data:
Table 1
T (K)T (°C)c2 (mol/dm3)α (a)
288.151500.99
288.15150.250.94
288.15150.50.916
288.151510.881
288.151520.842
288.151540.799
293.152000.86
293.15200.250.81
293.15200.50.792
293.152010.761
293.152020.728
293.152040.71
298.152500.758
298.15250.250.699
298.15250.50.687
298.152510.669
298.152520.637
298.152540.636
303.153000.671
303.15300.250.621
303.15300.50.603
303.153010.584
303.153020.561
303.153040.549
308.153500.605
308.15350.250.539
308.15350.50.528
308.153510.515
308.153520.492
308.153540.479
313.154000.546
313.15400.250.478
313.15400.50.461
313.154010.455
313.154020.437
313.154040.419
318.154500.482
318.15450.250.419
318.15450.50.408
318.154510.396
318.154520.385
318.154540.373
323.155000.436
323.15500.250.373
323.15500.50.367
323.155010.344
323.155020.339
323.155040.329
328.155500.392
328.15550.250.33
328.15550.50.318
328.155510.308
328.155520.304
328.155540.297
333.156000.372
333.15600.250.296
333.15600.50.288
333.156010.282
333.156020.274
333.156040.268

a) α = Bunsen coefficient [cm3 (STP) cm-3 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. 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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