SDS Volume (3749)
Volume 69. Ternary Alcohol-Hydrocarbon-Water Systems, p None
Original Measurements
Vorobeva, A. I.; Karapetyants, M. Kh.; Zh. Fiz. Khim. 41, 1984-9 (1967).
Variables:
Room Temp: 298 $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
The experimental methods were described graphically in [1]. Water impurity in alcohol were taken into account in the measurements. Critical point of liquid-liquid equilibrium was obtained graphically by the method reported in [2].
Source and Purity of Materials:
- Source and method of preparation were reported in [1].
- Source not specified; pure grade; distilled; water concentration was analyzed by the Karl Fischer method.
- Doubly distilled.
Estimated Errors:
Ambient temperature: Not reported.
Mass concentration (m/v) (1): Not reported.
References
1
Vorobeva, A. I.; Karapetyants, M. Kh.; Zh. Fiz. Khim. 40, 3018 (1966).
2
Zilberman,E. N.; Zh. Fiz. Khim. 26, 1458 (1952).
Components:
- 2-Propanol, $\ce{ C3H8O }$; [67-63-0] NIST WebBook
- Octane, $\ce{ C8H18 }$; [111-65-9] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Compositions along the saturation curve
| $T$ (°C) | $T$ ($\pu{K}$) | w1 | w2 | $x_{1}$ | $x_{2}$ |
|---|---|---|---|---|---|
| 25 | 298.2 | 0.000 | 0.999 | 0.0000 | 0.9937 |
| 25 | 298.2 | 0.048 | 0.951 | 0.0870 | 0.9069 |
| 25 | 298.2 | 0.143 | 0.847 | 0.2299 | 0.7164 |
| 25 | 298.2 | 0.273 | 0.697 | 0.3690 | 0.4957 |
| 25 | 298.2 | 0.397 | 0.544 | 0.4511 | 0.3252 |
| 25 | 298.2 | 0.481 | 0.435 | 0.4858 | 0.2311 |
| 25 | 298.2 | 0.554 | 0.336 | 0.5047 | 0.1610 |
| 25 | 298.2 | 0.622 | 0.226 | 0.4984 | 0.0953 |
| 25 | 298.2 | 0.645 | 0.172 | 0.4792 | 0.0672 |
| 25 | 298.2 | 0.651 | 0.118 | 0.4388 | 0.0418 |
| 25 | 298.2 | 0.641 | 0.083 | 0.3993 | 0.0272 |
| 25 | 298.2 | 0.611 | 0.053 | 0.3472 | 0.0158 |
| 25 | 298.2 | 0.548 | 0.025 | 0.2760 | 6.6 x 10-3 |
| 25 | 298.2 | 0.420 | 6 x 10-3 | 0.1796 | 1.4 x 10-3 |
(a) Critical point obtained graphically by the authors.
