Compilation - Carbon dioxide with Water (IUPAC SDS Volume 62)
SDS Volume (2790)
Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None
Original Measurements
Li, Y. -H.; Tsui, T. -F.; J. Geophys. Res. 1971, 76, 4203-7.
Variables:
Room Temp:
273.85 - 303.15
$\pu{K}$
Pressure:
101.325
$\pu{kPa}$
Prepared by:
Method/Apparatus/Procedure:
Equilibration was achieved by bubbling gas through thermostatted water overnight.
A liquid sample was analyzed for $\ce{CO2}$ using an IR technique.
Source and Purity of Materials:
- Pure, $\pu{99.99 \pm 0.01\%}$.
- Distilled.
Estimated Errors:
Ambient temperature: Temperature controlled to ±0.02 K.
Pressure: δP/mmHg = ±0.005 (by authors)
Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
| $T$ ($\pu{K}$) | $T$ (°C) | $x_{1}$ | c/P (mol dm-3 atm-1) | $P_{\rm{c}}$ ($\pu{bar}$) |
|---|---|---|---|---|
| 273.85 | 0.7 | 1.350 x 10-3 | 0.07501 | 1.020 |
| 277.15 | 4.0 | 1.188 x 10-3 | 0.06603 | 1.021 |
| 283.35 | 10.2 | 9.545 x 10-4 | 0.05302 | 1.026 |
| 293.15 | 20.0 | 7.053 x 10-4 | 0.03911 | 1.037 |
| 303.15 | 30.0 | 5.420 x 10-4 | 0.02997 | 1.056 |
(a) Calculated by the compiler.
(b) S1 = solubility of CO2; S° = 1 mol L-1 atm-1.
