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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Fluorene with 1,2,4,5-Tetramethylbenzene
Components:
(1) 1,2,4,5-Tetramethylbenzene; C10H14; [95-93-2]
NIST Chemistry WebBook
for detail
(2) Fluorene; C13H10; [86-73-7]
NIST Chemistry WebBook
for detail
Original Measurements:
Kravchenko, V.M., J. Appl. Chem. U.S.S.R. 1952, 25, 1015-1022. (English translation)
Variables:
Temperature = Temperature
Prepared By:
W.E. Acree, Jr.
Experimental Data:
(Notes on the Nomenclature)
T/K
Mole Fraction x
1
Mole Fraction x
2
Comment(s)
352.2
0.000
1.000
Solid Phase (2)
347.6
0.082
0.918
Solid Phase (2)
345.0
0.129
0.871
Solid Phase (2)
342.4
0.180
0.820
Solid Phase (2)
340.6
0.218
0.782
Solid Phase (2)
338.5
0.252
0.748
Solid Phase (2)
335.2
0.304
0.696
Solid Phase (2)
333.7
0.348
0.652
Eutectic
343.4
0.446
0.554
Solid Phase (1)
354.1
0.550
0.450
Solid Phase (1)
363.1
0.667
0.333
Solid Phase (1)
371.1
0.776
0.224
Solid Phase (1)
377.8
0.873
0.127
Solid Phase (1)
387.2
1.000
0.000
Solid Phase (1)
Notes:
Author reports eutectic point occurs at x
1
= 0.348 and T/K = 333.7.
Method/Apparatus/Procedure:
Phase diagram was determined using a thermal analysis method (described in detail in V.M. Kravchenko, J. Phys. Chem. U.S.S.R. 1939, 13, 133), supplemented by visual observations.
Source and Purity of Materials:
(1) Purity and chemical source were not specified in paper, was recrystallized before use.
(2) Purity and chemical source were not specified in paper, was recrystallized before use.
Estimated Errors:
Temperature: T/K: precision ± 0.2. x
1
: ± 0.002 (compiler).