Appendix
11.3 Solubility of oxygen in water as a function of temperature and sa-
li ni ty
According to EN 25 814 and UNESCO tables (partly extrapolated)
Temperature
(°C)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
40
O2 solubility
Salinity correction factor F(T)
(mg/L)
(mg/L)
14.62
0.0875
14.22
0.0843
13.83
0.0818
13.46
0.0789
13.11
0.0760
12.77
0.0739
12.45
0.0714
12.14
0.0693
11.84
0.0671
11.56
0.0650
11.29
0.0632
11.03
0.0614
10.78
0.0593
10.54
0.0582
10.31
0.0561
10.08
0.0545
9.87
0.0532
9.66
0.0514
9.47
0.0500
9.28
0.0489
9.09
0.0475
8.91
0.0464
8.74
0.0453
8.58
0.0443
8.42
0.0432
8.26
0.0421
8.11
0.0407
7.97
0.0400
7.83
0.0389
7.69
0.0382
7.56
0.0371
7.43
0.0365
7.30
0.0353
7.18
0.0345
7.06
0.0339
6.95
0.0331
6.83
0.0323
6.72
0.0316
6.61
0.0309
6.51
0.0302
6.41
0.0296
6.32
0.0289
6.23
0.0283
6.14
0.0277
6.05
0.0272
5.96
0.0266
5.88
0.0261
5.79
0.0256
pH/ORP/Ion/DO meter SG68