Solubility Of Selected Gases In Water
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1
2
3
4SOLUBILITY OF SELECTED GASES IN WATER
L. H. Gevantman
The values in this table are taken almost exclusively from the
The equation constants, the standard deviation for ln X
(except
1
International Union of Pure and Applied Chemistry “Solubility
where noted), and the temperature range over which the equation
Data Series”. Unless noted, they comprise evaluated data fitted
applies are given in the column headed Equation constants. There
to a smoothing equation. The data at each temperature are then
are two exceptions. The equation for methane has an added term,
derived from the smoothing equation which expresses the mole
DT *. The equation for H
Se and H
S takes the form,
2
2
fraction solubility X
of the gas in solution as:
1
ln X
= A + B/T + C ln T + DT
1
ln X
= A + B/T* + C ln T*
1
where T is the temperature in kelvin.
where
Solubilities given for those gases which react with water, namely
ozone, nitrogen oxides, chlorine and its oxides, carbon dioxide,
T* = T/100 K
hydrogen sulfide, hydrogen selenide and sulfur dioxide, are re-
corded as bulk solubilities; i.e., all chemical species of the gas and
All values refer to a partial pressure of the gas of 101.325 kPa (one
its reaction products with water are included.
atmosphere).
Gas
T/K
Solubility (X
)
Equation constants
Ref.
1
1.510 × 10
Hydrogen (H
)
288.15
A = –48.1611
1
–5
2
1.455 × 10
M
= 2.01588
293.15
B = 55.2845
–5
r
1.411 × 10
298.15
C = 16.8893
–5
1.377 × 10
Std. dev. = ± 0.54%
303.15
–5
1.350 × 10
308.15
Temp. range = 273.15—353.15
–5
1.675 × 10
± 0.57%
Deuterium (D
)
283.15
–5
Averaged experimental values
1
2
1.595 × 10
± 0.57%
M
= 4.0282
288.15
–5
r
1.512 × 10
± 0.78%
293.15
Temp. range = 278.15—303.15
–5
1.460 × 10
± 0.52%
298.15
–5
1.395 × 10
± 0.37%
303.15
–5
7.123 × 10
Helium (He)
288.15
A = –41.4611
2
–6
7.044 × 10
A
= 4.0026
293.15
–6
B = 42.5962
r
6.997 × 10
298.15
C = 14.0094
–6
6.978 × 10
Std. dev. = ±0.54%
303.15
–6
6.987 × 10
308.15
Temp. range = 273.15—348.15
–6
8.702 × 10
Neon (Ne)
288.15
A = –52.8573
2
–6
8.395 × 10
A
= 20.1797
293.15
–6
B = 61.0494
r
8.152 × 10
298.15
C = 18.9157
–6
7.966 × 10
Std. dev. = ±0.47%
303.15
–6
7.829 × 10
308.15
Temp. range = 273.15—348.15
–6
3.025 × 10
Argon (Ar)
288.15
A = –57.6661
3
–5
2.748 × 10
A
= 39.948
293.15
B = 74.7627
–5
r
2.519 × 10
298.15
–5
C = 20.1398
2.328 × 10
Std. dev. = ±0.26%
303.15
–5
2.169 × 10
308.15
Temp. range = 273.15—348.15
–5
5.696 × 10
Krypton (Kr)
288.15
A = –66.9928
4
–5
5.041 × 10
A
= 83.80
293.15
B = 91.0166
–5
r
4.512 × 10
298.15
C = 24.2207
–5
4.079 × 10
Std. dev. = ±0.32%
303.15
–5
3.725 × 10
308.15
Temp. range = 273.15—353.15
–5
10.519 × 10
Xenon (Xe)
288.15
A = –74.7398
4
–5
9.051 × 10
A
= 131.29
293.15
B = 105.210
–5
r
7.890 × 10
298.15
C = 27.4664
–5
6.961 × 10
Std. dev. = ±0.35%
303.15
–5
6.212 × 10
308.15
–5
Temp. range = 273.15—348.15
8-80
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