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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Iodomethane with Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) Iodomethane; CH3I; [74-88-4]
NIST Chemistry WebBook
for detail
Original Measurements:
Balls, P.W., Ph. D. Thesis, Univ. of East Anglia, Norwich, U. K., July 1980, 375 pp.
Variables:
Temperature = 283 K - 298 K
Prepared By:
A. L. Horvath
Experimental Data:
(Notes on the Nomenclature)
t/°C
Henry's law constant [(dimensionless)]
10
2
* Mass Fraction w
1
(compiler)
10
3
* Mole Fraction x
1
(compiler)
10
0.12 ± 0.04
1.464
1.882
15
0.15 ± 0.05
1.829
1.829
20
0.17 ± 0.03
1.514
1.947
25
0.20 ± 0.04
1.539
1.979
Method/Apparatus/Procedure:
The measurements involved repeated equilibration of nitrogen with a water sample containing iodomethane. The sample was shaken vigorously at the required temperature in a constant temperature bath for 30 minutes. The equilibrated gas phase was then inject ed into a gas chromatograph. The experiments were performed at least three times at 10, 15, 20, and 25
o
C. Each experiments involved about six equilibrations.
Source and Purity of Materials:
(1) Source and purity not given.
(2) Distilled.
Estimated Errors:
Solubility: See above.
Temperature: ± 0.5 K (compiler).