Compilation - Pentane with Water (IUPAC SDS Volume 37)
SDS Volume (577)
Volume 37. Hydrocarbons in Water and Seawater, Part I, p 54
Original Measurements
Nelson, H. D.; De Ligny, C. L.; Recl. Trav. Chim. Pays-Bas 1968, 87, 528-44.
Variables:
Room Temp: 4 - 30 °C
Prepared by:
Method/Apparatus/Procedure:
The saturation vessel is drawn in the original paper. (2) was saturated with (1) via the vapor phase: a few drops of (1) were put on the bottom of a tight-fitting flask containing a small flask filled with water. Complete saturation was reached by shaking overnight in an upright position. Samples were taken from the aqueous solution with a microsyringe through the septum and injected into the gas chromatograph detector. The gas chromatographic conditions are described in the paper.
Source and Purity of Materials:
- Phillips pure grade.
- Tap-water was refluxed for eight hours in the presence of $\ce{KMnO4}$ and $\ce{KOH}$ and distilled. The whole process was repeated once more.
Estimated Errors:
Mass concentration (m/v) (1): error given above (90% probability interval)
Components:
- Pentane, $\ce{ C5H12 }$; [109-66-0] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Solubility of pentane in water
| $T$ (°C) | $x_{1}$ | MR1 (g/kg) |
|---|---|---|
| 4.0 | 1.02 x 10-5 | 0.0409 |
| 10.0 | 1.07 x 10-5 | 0.0429 |
| 20.0 | 9.8 x 10-6 | 0.0393 |
| 25.0 | 1.01 x 10-5 | 0.0405 |
| 30.0 | 1.01 x 10-5 | 0.0405 |
