气体在水中的溶解度
The
Aquatic Solubilities of Gases
表中的符号意义如下。
a——吸收系数,指在气体分压等于101.325
kPa时,被一体积水所吸收的该气体体积(已折合成标准状况);
l——是指气体在总压力(气体及水气)等于101.325
kPa时溶解于1体积水中的该气体体积;
q——是指气体在总压力(气体及水气)等于101.325 kPa时溶解于100 g 水中的气体质量(单位:g)。
气体在水中的溶解度
The Aquatic Solubilities of Gases
气体(Gas) |
溶解度符号(Solubility
symbol) |
温度(Temperature)/℃ |
||||||||
0 |
10 |
20 |
30 |
40 |
50 |
60 |
80 |
100 |
||
H2 |
a×102 |
2.17 |
1.98 |
1.82 |
1.72 |
1.66 |
1.63 |
1.62 |
1.60 |
1.60 |
q×104 |
1.92 |
1.74 |
1.60 |
1.47 |
1.39 |
1.29 |
1.18 |
0.79 |
0 |
|
He |
a×102 |
0.97 |
0.991 |
0.994 |
1.003 |
1.021 |
1.07 |
- |
- |
- |
q×104 |
- |
1.75 |
1.74 |
1.72 |
1.70 |
1.69 |
- |
- |
- |
|
Ar |
a×102 |
5.28 |
4.13 |
3.37 |
2.88 |
2.51 |
- |
2.09 |
1.84 |
- |
Kr |
a |
0.111 |
0.081 |
0.063 |
0.051 |
0.043 |
- |
0.036 |
- |
- |
Xe |
a |
0.242 |
0.174 |
0.123 |
0.098 |
0.082 |
- |
- |
- |
- |
Rn |
a |
0.510 |
0.326 |
0.222 |
0.162 |
0.126 |
- |
0.085 |
- |
- |
O2 |
a×102 |
4.89 |
3.80 |
3.10 |
2.61 |
2.31 |
2.09 |
1.95 |
1.76 |
1.70 |
q×103 |
6.95 |
5.37 |
4.34 |
3.59 |
3.08 |
2.66 |
2.27 |
1.38 |
0 |
|
N2 |
a×102 |
2.35 |
1.86 |
1.55 |
1.34 |
1.18 |
1.09 |
1.02 |
0.958 |
0.947 |
q×103 |
2.94 |
2.31 |
1.89 |
1.62 |
1.39 |
1.21 |
1.05 |
0.660 |
0 |
|
Cl2 |
l |
4.61 |
3.15 |
2.30 |
1.80 |
1.44 |
1.23 |
1.02 |
0.683 |
0 |
q |
1.46 |
0.997 |
0.729 |
0.572 |
0.459 |
0.393 |
0.329 |
0.223 |
0 |
|
Br2 (蒸气) |
a |
60.5 |
35.1 |
21.3 |
13.8 |
- |
- |
- |
- |
- |
q |
42.9 |
24.8 |
14.9 |
9.5 |
- |
- |
- |
- |
- |
|
空气 |
l
×102 |
2.918 |
2.284 |
1.868 |
1.564 |
- |
- |
- |
- |
- |
NH3 |
q |
89.5 |
79.6 |
72.0 |
65.1 |
63.6 |
58.7 |
53.1 |
48.2 |
44.0 |
H2S |
a |
4.67 |
3.40 |
2.58 |
2.04 |
1.66 |
1.39 |
1.19 |
0.917 |
0.81 |
q |
0.707 |
0.511 |
0.385 |
0.289 |
0.236 |
0.188 |
0.148 |
0.077 |
0 |
|
HCl |
l
|
507 |
474 |
442 |
412 |
386 |
362 |
339 |
- |
- |
q |
82.5 |
72.2 |
72.1 |
67.3 |
63.3 |
59.6 |
56.1 |
- |
- |
|
CO |
a×102 |
3.54 |
2.82 |
2.32 |
2.00 |
1.78 |
1.62 |
1.49 |
1.43 |
1.41 |
q×103 |
4.40 |
3.48 |
2.84 |
2.41 |
2.08 |
1.80 |
1.52 |
0.98 |
0 |
|
CO2 |
a |
1.71 |
1.19 |
0.878 |
0.665 |
0.53 |
0.436 |
0.359 |
- |
- |
q |
0.335 |
0.232 |
0.169 |
0.125 |
0.097 |
0.076 |
0.058 |
- |
- |
|
NO |
a×102 |
7.38 |
5.71 |
4.71 |
4.00 |
3.51 |
3.15 |
2.95 |
2.70 |
2.63 |
q×103 |
9.83 |
7.56 |
6.17 |
5.17 |
4.39 |
3.76 |
3.24 |
1.98 |
0 |
|
SO2 |
l |
79.8 |
56.7 |
39.4 |
27.2 |
18.8 |
- |
- |
- |
- |
q |
22.8 |
16.2 |
11.3 |
7.80 |
5.41 |
- |
- |
- |
- |
|
CH4 |
a×102 |
5.56 |
4.18 |
3.31 |
2.76 |
2.37 |
2.13 |
1.95 |
1.77 |
1.70 |
q×103 |
3.95 |
2.96 |
2.32 |
1.90 |
1.59 |
1.36 |
1.14 |
0.695 |
0 |
|
C2H6 |
a×102 |
9.87 |
6.56 |
4.72 |
3.62 |
2.92 |
2.46 |
2.18 |
1.83 |
1.72 |
q×103 |
1.32 |
0.87 |
0.62 |
0.468 |
0.366 |
0.294 |
0.239 |
0.134 |
0 |
|
C2H4 |
a |
0.226 |
0.162 |
0.122 |
0.098 |
- |
- |
- |
- |
- |
q×102 |
2.81 |
2.00 |
1.49 |
1.18 |
- |
- |
- |
- |
- |
|
C2H2 |
a |
1.73 |
1.31 |
1.03 |
0.840 |
- |
- |
- |
- |
- |
q |
0.200 |
0.150 |
0.117 |
0.094 |
- |
- |
- |
- |
- |