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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Fluorene with 2,7-Dimethylnaphthalene
Components:
(1) 2,7-Dimethylnaphthalene; C12H12; [582-16-1]
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)
370.2
0.000
1.000
Solid Phase (2)
361.6
0.136
0.864
Solid Phase (2)
352.7
0.260
0.740
Solid Phase (2)
347.7
0.311
0.689
Solid Phase (2)
343.0
0.358
0.642
Solid Phase (2)
337.7
0.401
0.599
Solid Phase (2)
335.2
0.420
0.580
Eutectic
338.2
0.453
0.547
Solid Phase (1)
342.7
0.500
0.500
Solid Phase (1)
348.3
0.556
0.444
Solid Phase (1)
353.7
0.603
0.397
Solid Phase (1)
363.8
0.705
0.295
Solid Phase (1)
371.7
0.802
0.198
Solid Phase (1)
379.7
0.900
0.100
Solid Phase (1)
387.2
1.000
0.000
Solid Phase (1)
Notes:
Author reports eutectic point occurs at x
1
= 0.420 and T/K = 335.2.
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).