SDS Volume (3685)

Volume 69. Ternary Alcohol-Hydrocarbon-Water Systems, p None

Original Measurements

Vorobeva, A. I.; Karapetyants, M. Kh.; Zh. Fiz. Khim. 41, 1144 (1967).

Variables:

Room Temp: 298 $\pu{K}$

Prepared by:

A. Skrzecz

Method/Apparatus/Procedure:

The method were reported in [1]. The titration method was used to describe solubility of the mixtures. The third component was added to the binary homogeneous mixture until the cloudiness started to be observed. Density of the saturated mixtures was measured and put on the graphs. To obtain equilibrium ternary mixtures were stirred in thermostated vessel through several hours. After phase separation, density of each phase was measured and composition was determined from earlier prepared graphs. Concentration at critical point was found by the method described in [2]. Water include in propanol was taken into account in all measurements.

Source and Purity of Materials:
  1. Source not specified, chemical pure grade; distilled; water concentration was determined by the Karl Fischer method.
  2. Source not specified; properties were the same as reported in [1].
  3. 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:
  1. 1-Propanol, $\ce{ C3H8O }$; [71-23-8] NIST WebBook
  2. Hexane, $\ce{ C6H14 }$; [110-54-3] NIST WebBook
  3. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Compositions of coexisting phases
$T$ (°C) $T$ ($\pu{K}$) w1 w2 $x_{1}$ $x_{2}$
25298.2 0.1060.888 0.14220.8309
25298.2 0.2790.688 0.32110.5522
25298.2 0.3020.660 0.33970.5177
25298.2 0.3660.577 0.38180.4198
25298.2 0.3840.551 0.38980.3901
25298.2 0.4620.438 0.41960.2774
25298.2 0.5310.321 0.42530.1793
25298.2 0.5550.117 0.32070.0471
25298.2 0.5460.104 0.30570.0406
25298.2 0.5310.090 0.28580.0338
25298.2 0.4960.068 0.24830.0237
25298.2 0.4570.051 0.21420.0167
25298.2 0.1952 x 10-3 0.06785 x 10-4
25298.2 0.2586 x 10-3 0.09491.5 x 10-3
25298.2 0.2697 x 10-3 0.10001.8 x 10-3
25298.2 0.2747 x 10-3 0.10231.8 x 10-3
25298.2 0.2808 x 10-3 0.10522.1 x 10-3
25298.2 0.2828 x 10-3 0.10622.1 x 10-3
25298.2 0.2939 x 10-3 0.11152.4 x 10-3
25298.2 0.3470.017 0.13994.8 x 10-3
25298.2 0.3580.020 0.14635.7 x 10-3
25298.2 0.3760.024 0.15707.0 x 10-3
25298.2 0.4160.036 0.18330.0111
25298.2 0.4570.051 0.21420.0167

(a) Critical solubility point at 298.2 K.

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