Solubility System: Nitroethane with Cyclohexane (Original Report)

Variables:
Temperature: 279 K - 298 K
Experimental Data:
Table 1
T (°C)T (K)x1 w1
5.4 278.6--
18.1 291.3--
23.2 296.4--
24.1 297.30.2220.1 x 102
24.6 297.8--
24.8 298.0--
25.0298.2--
Table 2
T (°C)T (K)x1 w1
5.4 278.60.81579.7 x 102
18.1 291.30.7168.6 x 102
23.2 296.40.60557.7 x 102
24.1 297.3--
24.6 297.80.49546.6 x 102
24.8 298.00.36533.9 x 102
25.0298.2- (UCST)-
Method/Apparatus/Procedure:

The synthetic method was used. Solutions of (1) and (2) were prepared by weight from glass syringes in 13 mm×100 mm Kimax screw cap culture tubes and sealed by a cap with a Teflon faced rubber liner. The tubes were suspended in a 3-liter well-stirred water bath and cloud points observed visually. At least two observations were made of each set of samples, the first at a relatively fast cooling rate to find the approximate cloud point temperature and the second at a slow cooling rate to more precisely determine the cloud point temperature.

Source and Purity of Materials:

(1) Matheson, Coleman and Bell; practical grade; distilled at 57°C/12.9 kPa.
(2) Fisher; dried over CaSO4 and distilled at atmospheric pressure from CaH2.

Estimated Errors

Temperature: ±0.1 K

References:

No references.

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