22
MW190
Bench Meter
The salinity affects the D.O. concentration, decreasing its value. The table below shows
the maximum oxygen solubility at various temperatures and salinity levels.
ºC
Salinity (g/l) at Sea Level
ºF
0 g/l
10 g/l
20 g/l
30 g/l
35 g/l
0
14.60
13.64
12.74
11.90
11.50
32.0
2
13.81
12.91
12.07
11.29
10.91
36.5
4
13.09
12.25
11.47
10.73
10.38
39.2
6
12.44
11.65
10.91
10.22
9.89
42.8
8
11.83
11.09
10.40
9.75
9.44
46.4
10
11.28
10.58
9.93
9.32
9.03
50.0
12
10.77
10.11
9.50
8.92
8.65
53.6
14
10.29
9.68
9.10
8.55
8.30
57.2
16
9.86
9.28
8.73
8.21
7.97
60.8
18
9.45
8.90
8.39
7.90
7.66
64.4
20
9.08
8.56
8.07
7.60
7.38
68.0
22
8.73
8.23
7.77
7.33
7.12
71.6
24
8.40
7.93
7.49
7.07
6.87
75.2
25
8.24
7.79
7.36
6.95
6.75
77.0
26
8.09
7.65
7.23
6.83
6.64
78.8
28
7.81
7.38
6.98
6.61
6.42
82.4
30
7.54
7.14
6.75
6.39
6.22
86.0
32
7.29
6.90
6.54
6.19
6.03
89.6
34
7.05
6.68
6.33
6.01
5.85
93.2
36
6.82
6.47
6.14
5.83
5.68
96.8
38
6.61
6.28
5.96
5.66
5.51
100.4
40
6.41
6.09
5.79
5.50
5.36
104.0
42
6.22
5.93
5.63
5.35
5.22
107.6
44
6.04
5.77
5.48
5.21
5.09
111.2
46
5.87
5.61
5.33
5.07
4.97
114.8
48
5.70
5.47
5.20
4.95
4.85
118.4
50
5.54
5.33
5.07
4.83
4.75
122.0
Note:The relationship between salinity and chlorinity for sea water is given by the
equation below:
Salinity (g/l) = 1.80655 Chlorinity (g/l)
