SDS Volume (3796)
Volume 69. Ternary Alcohol-Hydrocarbon-Water Systems, p None
Original Measurements
Letcher, T. M.; Siswana, P. M.; Fluid Phase Equilib. 74, 203 (1992).
Variables:
Room Temp: 298 $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
The points on the binodal curve were determined by the formation of a cloudy mixture on shaking after the addition of a known mass of one component to a mixture of known masses of the other two components. Precision weighing syringes were used as described by the refractive index method reported in [2] and a complementary method using the Karl Fischer titrations as reported in [3].
Source and Purity of Materials:
- Merck, AR grade; distilled, dried by the addition of anhydrous potassium carbonate, distilled; purity better than $\pu{99.6 mole%}$ by GLC.
- BDH; used as received; purity better than $\pu{99.6 mole%}$ by GLC.
- Source not specified.
Estimated Errors:
Ambient temperature: Estimated comp. 0.005 mole fraction on the binodal curve and 0.01 mole fraction for tie lines (estimated by the authors).
Mass concentration (m/v) (1): Not reported.
References
1
Letcher, T. M.; Wootton, S.; Shuttleworth, B.; Heyward, C.; J. Chem. Thermodyn 18, 1037 (1986).
2
Briggs; S. W.; Comings, E. W.; Ind. Eng. Chem. 35, 411 (1943).
3
Letcher, T. M.; Siswana, P. M.; van der Watt, P.; Radloff, S.; J. Chem. Thermodyn. 21, 1053 (1989).
Components:
- 1-Butanol, $\ce{ C4H10O }$; [71-36-3] NIST WebBook
- 1,3,5-Trimethylbenzene, $\ce{ C9H12 }$; [108-67-8] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Compositions along the saturation curve
| $T$ (°C) | $T$ ($\pu{K}$) | $x_{1}$ | $x_{2}$ | w1 | w2 |
|---|---|---|---|---|---|
| 25.0 | 298.2 | 0.000 | 0.000 | 0.0 | 0.000 |
| 25.0 | 298.2 | 0.019 | 0.000 | 0.074 | 0.000 |
| 25.0 | 298.2 | 0.488 | 0.000 | 0.797 | 0.000 |
| 25.0 | 298.2 | 0.493 | 2 x 10-3 | 0.796 | 5 x 10-3 |
| 25.0 | 298.2 | 0.530 | 0.034 | 0.767 | 0.080 |
| 25.0 | 298.2 | 0.546 | 0.083 | 0.708 | 0.175 |
| 25.0 | 298.2 | 0.541 | 0.143 | 0.637 | 0.273 |
| 25.0 | 298.2 | 0.496 | 0.306 | 0.477 | 0.477 |
| 25.0 | 298.2 | 0.436 | 0.404 | 0.386 | 0.580 |
| 25.0 | 298.2 | 0.365 | 0.525 | 0.294 | 0.685 |
| 25.0 | 298.2 | 0.269 | 0.664 | 0.198 | 0.791 |
| 25.0 | 298.2 | 0.146 | 0.814 | 0.099 | 0.894 |
| 25.0 | 298.2 | 0.077 | 0.902 | 0.050 | 0.947 |
| 25.0 | 298.2 | 0.000 | 0.999 | 0.0 | 0.9998 |


