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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1,1,1,2,2,3,4,5,5,5-Decafluoro-3-[1,2,2,2-tetra-fluoro-1-(trifluoromethyl)ethyl]-4-(trifluoro-methyl)pentane with water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 1,1,1,2,2,3,4,5,5,5-Decafluoro-3-[1,2,2,2-tetra-fluoro-1-(trifluoromethyl)ethyl]-4-(trifluoro-methyl)pentane; C9F20; [50285-18-2]
NIST Chemistry WebBook
for detail
Original Measurements:
Kabal'nov, A.S.; Makarov, K.N.; Shcherbakova, O.V., J. Fluorine Chem. 50, 271-84 (1990).
Variables:
Temperature = 298 K
Prepared By:
A. L. Horvath
Experimental Data:
(Notes on the Nomenclature)
t/°C
Concentration c
1
[mol dm**-3]
10
2
* Mass Fraction w
1
(compiler)
10
11
* Mole Fraction x
1
(compiler)
25
2.5 x 10
-9
1.22 x 10
-7
4.50
Method/Apparatus/Procedure:
The solubility values were calculated from the particle size growth in emulsions due to Ostwald ripening. The particle size analysis of emulsions was accomplished through the use of a photon correlation spectrometer. The kinetics of particle size growth were observed until a 200 nm diameter was attained. The solubility measurement method showed a very low detection limit. Further details on Ostwald ripening kinetics are described elsewhere.
1
Source and Purity of Materials:
(1) Source not given. Commercial grade, 97 % pure.
(2) Doubly distilled and deionized.
Estimated Errors:
Solubility: About ± 30 %.
Temperature: ± 1.0 K.
References:
1
P. W. Voorhees, J. Stat. Phys. 38, 231 (1985).