SDS Volume
Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None
Source Publication
Stewart, P. B.; Munjal, P.; J. Chem. Eng. Data 1970, 15, 67-71.
Conditions:
Room Temp:
268.15 - 298.15
$\pu{K}$
Pressure:
0.101 - 4.560
$\pu{MPa}$
Compiler:
Methodology:
Rocking equilibrium cell fitted with Bourdon-type pressure gauges. Carbon dioxide gas admitted to cell containing sea water. After equilibrium established samples of liquid withdrawn and analyzed by stripping out carbon dioxide, absorbing in excess barium hydroxide and back-titrating.
Sample Information:
- Matheson research grade, purity 99.99 mole%.
- Degassed
Measurement Errors:
Ambient temperature: δT/K = ±0.06
Mass concentration (m/v) (1): δ(102m1/m2) = ±1%
Pressure: δP/kPa = ±2 below 3.6 MPa, ±3.4 above 3.6 Mpa
System Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Seawater, $\ce{ H2O }$; [7732-18-5(C)] NIST WebBook
Experimental Data
| $T$ ($\pu{K}$) | $P$ ($\pu{bar}$) |
|---|---|
| 268.15 | 1.01 |
| 268.15 | 5.07 |
| 268.15 | 10.13 |
| 268.15 | 20.26 |
| 268.15 | 30.40 |
| 273.15 | 1.01 |
| 273.15 | 5.07 |
| 273.15 | 10.13 |
| 273.15 | 15.20 |
| 273.15 | 20.26 |
| 273.15 | 30.40 |
| 273.15 | 34.45 |
| 278.15 | 1.01 |
| 278.15 | 5.07 |
| 278.15 | 10.13 |
| 278.15 | 20.26 |
| 278.15 | 30.40 |
| 278.15 | 38.50 |
| 283.15 | 1.01 |
| 283.15 | 5.07 |
| 283.15 | 10.13 |
| 283.15 | 20.26 |
| 283.15 | 30.40 |
| 283.15 | 38.50 |
| 285.15 | 1.01 |
| 285.15 | 5.07 |
| 285.15 | 10.13 |
| 285.15 | 20.26 |
| 285.15 | 30.40 |
| 285.15 | 45.60 |
| 288.15 | 1.01 |
| 288.15 | 5.07 |
| 288.15 | 10.13 |
| 288.15 | 20.26 |
| 288.15 | 30.40 |
| 288.15 | 45.60 |
| 298.15 | 1.01 |
| 298.15 | 5.07 |
| 298.15 | 10.13 |
| 298.15 | 20.26 |
| 298.15 | 30.40 |
| 298.15 | 45.60 |
(A) NaCl 26.518 m/g, MgCl2 2.447 m/g, MgSO4 3.305 m/g, CaCl2 1.141 m/g, KCl 0.725 m/g, NaHCO3 0.202 m/g, NaBr 0.083 m/g, H2O 965.579 m/g.
(a) Composition of sea water is given in the following table. mI = mass of component I.
(B) NaCl 79.554 m/g, MgCl2 7.341 m/g, MgSO4 9.915 m/g, CaCl2 3.423 m/g, KCl 2.175 m/g, NaHCO3 0.606 m/g, NaBr 0.249 m/g, H2O 896.737 m/g.
(b) m1/m2 = solubility of carbon dioxide; m1 = mass of CO2; m2 = mass of solvent.
(C) NaCl 132.590 m/g, MgCl2 12.235 m/g, MgSO4 16.525 m/g, CaCl2 5.705 m/g, KCl 3.625 m/g, NaHCO3 1.010 m/g, NaBr 0.415 m/g, H2O 827.895 m/g.
