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Solubility System: Nitroethane with Methanol, 1,2-Ethanediol and Cyclohexane (Original Report)

Variables:
Temperature: 296 K - 307 K
Experimental Remarks:
The solubility temperatures of liquid phases were determined in quaternary mixtures with a constant mass relationship of (1), (2) and (3), and also in quaternary mixtures with a constant mass relationship of (1), (2) and (4).
Estimated tricritical point of quaternary system is 37.5 ± 1°C at x1 = 0.45, x2 = 0.06, x3 = 0.09 and x4 = 0.45 (100 w1 = 45.1, 100 w2 = 2.6, 100 w3 = 7.5 and 100 w4 = 44.9, compilers).
Experimental Data:
T (°C)T (K)w1 w2 w3 x1 x2 x3
23.3296.55.3 x 10-248.8 x 10221.9 x 1020.1140.4470.243
24.3297.55.0 x 10-246.2 x 10220.8 x 1020.1080.4280.233
24.9298.13.2 x 10-229.5 x 10213.3 x 1020.0740.2910.159
25.4298.64.7 x 10-242.8 x 10219.2 x 1020.1030.4010.218
25.5298.73.7 x 10-233.6 x 10215.1 x 1020.0840.3260.177
25.7298.94.0 x 10-236.9 x 10216.6 x 1020.090.3540.193
25.8299.04.4 x 10-240.0 x 10218.0 x 1020.0980.3790.206
24.3297.53.1 x 10-220.1 x 102 9.0 x 1020.0740.2040.11
24.9298.17.2 x 10-247.4 x 10221.4 x 1020.1510.4250.232
25.8299.03.5 x 10-222.8 x 10210.2 x 1020.0820.2280.123
26.8300.06.9 x 10-245.0 x 10220.3 x 1020.1460.4070.222
27.0300.23.8 x 10-225.0 x 10211.2 x 1020.0880.2480.134
28.1301.36.4 x 10-241.8 x 10218.8 x 1020.1380.3840.209
28.2301.44.5 x 10-229.3 x 10213.2 x 1020.1020.2840.155
28.6301.84.9 x 10-232.5 x 10214.6 x 1020.110.3110.169
28.7301.95.9 x 10-238.7 x 10217.4 x 1020.1290.360.196
28.7301.95.4 x 10-235.6 x 10216.0 x 1020.1190.3360.183
24.5297.74.0 x 10-222.4 x 10210.1 x 1020.0930.2230.121
26.1299.38.5 x 10-247.6 x 10221.4 x 1020.1760.4190.228
26.8300.04.7 x 10-226.4 x 10211.9 x 1020.1070.2570.14
27.7300.98.3 x 10-246.0 x 10220.7 x 1020.1720.4090.222
28.1301.35.3 x 10-229.3 x 10213.2 x 1020.1190.2810.153
28.8302.07.8 x 10-243.8 x 10219.7 x 1020.1640.3930.214
29.1302.35.8 x 10-232.6 x 10214.6 x 1020.1290.3080.167
29.3302.66.3 x 10-235.0 x 10215.7 x 1020.1380.3270.177
29.4302.67.3 x 10-240.8 x 10218.4 x 1020.1550.3710.202
29.6302.86.8 x 10-238.2 x 10217.2 x 1020.1470.3520.191
26.0299.25.1 x 10-225.8 x 10211.6 x 1020.1160.250.136
27.0300.29.6 x 10-248.6 x 10221.8 x 1020.1950.4220.229
27.6300.85.7 x 10-228.7 x 10212.9 x 1020.1280.2740.149
29.5302.76.3 x 10-232.1 x 10214.4 x 1020.1390.3020.164
29.8303.09.1 x 10-245.8 x 10220.6 x 1020.1870.4020.219
30.5303.77.0 x 10-235.2 x 10215.8 x 1020.1520.3250.177
30.8304.08.6 x 10-243.7 x 10219.7 x 1020.1790.3880.211
31.2304.47.6 x 10-238.5 x 10217.3 x 1020.1620.350.19
31.3304.58.0 x 10-240.4 x 10218.1 x 1020.1690.3640.197
24.9298.1 5.6 x 10-225.8 x 10211.6 x 1020.1260.2490.135
26.8300.0 6.2 x 10-228.8 x 10213.0 x 1020.1380.2730.149
29.5302.710.4 x 10-248.0 x 10221.6 x 1020.2090.4130.225
29.9303.1 7.4 x 10-234.2 x 10215.4 x 1020.160.3150.172
31.2304.4 8.1 x 10-237.2 x 10216.7 x 1020.1720.3370.183
31.4304.6 9.9 x 10-245.6 x 10220.5 x 1020.2020.3960.216
32.2305.4 8.7 x 10-240.2 x 10218.1 x 1020.1820.3590.196
32.4305.6 9.4 x 10-243.2 x 10219.4 x 1020.1940.380.206
31.0304.210.6 x 10-247.9 x 10221.5 x 1020.2130.4110.223
31.9305.1 8.3 x 10-237.4 x 10216.8 x 1020.1760.3380.184
32.4305.610.4 x 10-247.0 x 10221.1 x 1020.210.4050.22
33.2306.4 8.940.1 x 10218.0 x 1020.1860.3580.194
33.8307.0 9.9 x 10-244.9 x 10220.2 x 1020.2020.3910.213
33.8307.0 9.2 x 10-241.6 x 10218.7 x 1020.1910.3680.2
34.0307.2 9.4 x 10-242.5 x 10219.1 x 1020.1940.3750.204
Method/Apparatus/Procedure:

The synthetic method was used. The solutions were placed in closed glass ampoules. The temperature at which the second meniscus appeared was estimated visually. No experimental details given.

Source and Purity of Materials:

(1) Not specified.
(2) Not specified.
(3) Not specified. (4) not specified.

Estimated Errors

Temperature: ±0.1 K.

References:

No references.

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