Compilation - Ethanol with Heptane and Water (IUPAC SDS Volume 69)
SDS Volume (3912)
Volume 69. Ternary Alcohol-Hydrocarbon-Water Systems, p None
Original Measurements
Bonner, W. D.; J. Phys. Chem. 14, 738 (1909).
Variables:
Room Temp: 273 $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
In a tube 1 cm diameter and 12 cm long known amount, by weight, of hydrocarbon and water were placed into a temperature controlled bath. The contents of the tube were stirred and alcohol was added gradually until a homogeneous solution was obtained. Observations were made visually through the telescope of a cathetometer. The samples were always weighed immediately before and after each experiment. Concentrations were reported as weight of water in 1 g of binary water-hydrocarbon mixture and the weight of alcohol necessary to make a homogenous solution. The mass of binary water-hydrocarbon mixture was about 1 g; the mass of alcohol-up to 5 g.
Source and Purity of Materials:
- Kahlbaum; presumably dried and distilled.
- Kahlbaum; presumably dried and distilled.
- Source not specified.
Estimated Errors:
Ambient temperature: Accuracy of weighing 0.0001 g.
Mass concentration (m/v) (1): Not reported.
Components:
- Ethanol, $\ce{ C2H6O }$; [64-17-5] NIST WebBook
- Heptane, $\ce{ C7H16 }$; [142-82-5] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Compositions along the saturation curve
| $T$ (°C) | $T$ ($\pu{K}$) | w1 | w2 | $x_{1}$ | $x_{2}$ |
|---|---|---|---|---|---|
| 0.0 | 273.2 | 0.4131 | 0.5646 | 0.5662 | 0.3557 |
| 0.0 | 273.2 | 0.6276 | 0.3285 | 0.7044 | 0.1695 |
| 0.0 | 273.2 | 0.7037 | 0.2364 | 0.7289 | 0.1126 |
| 0.0 | 273.2 | 0.7462 | 0.1673 | 0.7145 | 0.0736 |
| 0.0 | 273.2 | 0.7509 | 0.1524 | 0.7030 | 0.0656 |
| 0.0 | 273.2 | 0.7601 | 0.1092 | 0.6640 | 0.0438 |
| 0.0 | 273.2 | 0.7549 | 0.0674 | 0.6086 | 0.0250 |
| 0.0 | 273.2 | 0.7475 | 0.0495 | 0.5797 | 0.0176 |
| 0.0 | 273.2 | 0.6974 | 0.0281 | 0.4939 | 9.2 x 10-3 |


